Then all you need to do is solder the 2 cut leads from the dist/ignition module together, i. Allstar GM HEI Module ALL81208. It uses two GM HEI ignitor modules. GM HEI Ignition Coil. HEI provided good energy output for the GM motors during that period where the common engine redline was about 5,500 rpm. on the HEI is pretty darned good. Disconnect the power wire to the ignition coil. The ignition coil is triggered on by the HEI module with a positive going signal applied to terminal G of the module and the spark occurs when the module sees a negative going signal at that terminal, which shuts off the coil current. it lasted about a mile down the road and died. terminal of the IC Module in the distributor. In a GM HEI system, the module replaced the contacts of the breaker points and the pickup coil was substituted for the rubbing block and distributor cam. If not (and my memory is VERY fuzzy on this) I think there may be a fusible link in that power lead. WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4'-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. If your parts guy doesn't know what that is then tell him you need an ignition module for a '78 Camaro with a 350. Our performance ignition modules are direct replacements for popular GM and Ford electronic distributors. The reason this is necessary is that the ignition switch is mutually exclusive in the crank and run positions. Before you begin wiring the MSD system, you need to identify which module your distributor is AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR. The red wire connects to the (+) positive side of the ignition coil along with the power wire (brown) from the ignition harness. What others are saying Wiring Diagram with Accessory, Ignition and Start wiring diagram for triumph motorcycle diagram How Do I Install A Solenoid In A 1987 Van How Do I Install A Solenoid In A 1987 Van 92 town car starter relay lincolns online message forum. Good LuckI'm replacing an old point type distributor with an HEI Dist. I did this and it has been running fine for well over a year now. The solid state electronics provide high coil out put and superior reliability. The HEI acronym stands for High Energy Ignition, and when it debuted on the market, it was just that. I have replaced cap, rotor, and plugs, the coil check out fine, also had ignition module tested and its good. To use the GM DIS module, build your MegaSquirt ® as shown in the GM HEI section. I'm using GMCBubba's Mopar/GM Hei ignition for my 52 chrysler hemi and I had a difficult time finding a good working GM HEI module. with a mid '70s dist that still has mechanical and vacuum advance. Once I put a new one in. A few years ago, I converted an older street bike to a GM HEI ignition. 0 out of 5 stars 11 $9. The HEI and TFI are basically the same thing but the HEI has the proper input for a magnetic pickup distributor. I'm researching this. Being a retrofit, I wonder if the engine and HEI are properly and sufficiently grounded. The R pin is the HEI module's tach output. If your parts guy doesn't know what that is then tell him you need an ignition module for a '78 Camaro with a 350. Available for immediate shipment. Its Davis Unified Ignition (DUI) takes GM's HEI to the next level. After getting the first bad one, I had the store check each one before I would buy it. Wiring in a HEI module (or factory module of some kind) is always a good idea with 'Off Road' Jeeps. Probe the connector on the power wire with the test light, or use the voltmeter set to the lowest scale that accommodates 15 volts. Asked in Distributors and Distributor Caps, Chevy Blazer, Chevy 350 Plug wire to HEI distributor diagram? If you have an ignition module then you have a HEI distributor that was changed out. Failure to use. pdf FREE PDF DOWNLOAD There could be some typos (or mistakes) below (html to pdf converter made them):. Distributors for the 331-354-392 HEMI engines have been a big hit. Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition. When I double checked the timing my light was missing a beat every 3 or 4 flashes. The system consists of a control module and a magnetic pickup mounted in the distributor. Figure 3 Primary Wiring to an Accel BEI Distributor. GM’s high energy ignition (HEI) distributor has been used as an affordable, easy to install performance distributor since its introduction in the mid 70s. The solid state electronics provide high coil out put and superior reliability. 94 for the ignition module, $29. headlight conversion relay starter wire module blazer hei timing chevrolet mini tail ignition solenoid block remote diagram silverado connector Jasmine Guajardo Tractors Wiring Of the three camera bushings on the shaft, the center one appeared as it would undoubtedly be exceptionally uncomfortable to remove or mount without the correct devices. MSD to GM HEI Distributor Harness PN 8875 IMPORTANT: Review the installation procedures of the MSD 6 Series Ignition prior to connecting the wiring harness. It was pretty raw, but evolves slowly as I make incremental improvements. Some products are NOT Legal for sale or use in California on Any Pollution Controlled Motor Vehicle. Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition. I ran down to Advance and got a new coil and still no spark. I always feel better when I have two independent sources especially when wiring is concerned. This second oil sender switch has a lower pressure cut on and coupled with the high. All we have to do is one simple weld and remove some guts. This electronic ignition system operates with full 12 volts. '74 to '77 CJ's ('75 to '77 FSJ's) used the Prestolite distributor and ignition module. Accel Ignition, Wiring Diagram for ACCEL Fuel Injection. We gave it a shot to see how easy it was to install. IGNITION PANEL WIRING HARNESS Proform Chevy HEI Racing Distributors Proform HEI High Performance Ignition Module $22. html And really if you dont need the stealth part for emissions visuals just. The first thing to remember that the system needs to have power. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. comignitionjeepHEI01. Figure 4 Primary Wiring to a Mallory Unlite Distributor. Ignition module failure is no joke because it often leaves you stranded. The purpose of the HEI install was to fix a sudden engine cut-out problem and a. EDU Precedence: bulk I have had several people email me for directions on the wiring of a four pin GM HEI module and a 280 dist, so here it is. A wiring diagram is a streamlined traditional photographic depiction of an electrical circuit. Chevy V8 Gm Hei Distributor W Msd Module. You must identify which module your distributor has to determine which wiring diagram to use. Wiring for Typical Points Ignition System. The three wire connection that has Bat+ and Tach listed on the cap - the bat+ connection is where you supply. When installing the Pertronix Ignitor II, the original ballast resistor will no longer be used. Share Thread what wire goes where from the hei module, it has four pins. Or you are a student, or perhaps even you who just want to know concerning Chevrolet Hei Distributor Wiring Diagram. Available for immediate shipment. In 1974, the HEI was introduced and was standard issue until computercontrolled EFI systems came out in 1987. 635 x 403 · 19 kB · gif, HEI Distributor Chevy 350 Ignition Wiring 2263 x 1580 500 x 600 · 32 kB · jpeg, Ford Ignition Coil Wiring Diagram 551 x 313 · 41 kB. The coil cover has the wiring positions marked on it: Left is the tach terminal. This truck should have the GM HEI system and that’s probably the best ignition system that ever existed. jumper wire should work for a test. A-Team Performance 150051 HEI Distributor Battery and Tachometer Wiring Harness 12V Ignition Coil & Tach Connector with Pigtail 4. The timing is right. A few years ago, I converted an older street bike to a GM HEI ignition. _ Ignition Modules |_ Ignition Wire Kits Pigtail for Distributors on GM HEI with 2 Terminals Fits MAL9-26700 Distributors. HEI caps have the coil built into them, an all in one ignition as compared to a external cylindrical coil. An ignition module, also known as a control unit or an ignitor, creates the amount of energy needed for a spark plug to ignite and controls the ignition timing. Ignition 2, GM HEI Distributor Notes. • The pickup coil must generate an AC voltage pulse to the ignition module so that the module can pulse the ignition coil. With a GM HEI 7-pin (and 8-pin modules), the ignition module wires you need to know about are: tach signal is a purple wire with a white trace [ pin R ] goes to Ampseal OPTOIN+ pin # 30 (ground the Ampseal OPTOIN- pin # 31 at the distributor). From the results you get, you'll be able to pinpoint the problem to the ignition control module or the ignition coil or the pick up coil or completely. The distributor is supplied with our new cap, rotor and coil cover and heavy duty gear so it is ready to install in your engine! Note: The PN 8365 is designed to replace GM HEI Distributors that use a 4-pin ignition module. MSD Ignition 8226 - MSD Blaster GM Coils. Contains one black module and harness. i checked everything again and it just led me to the ignition control module, so i replaced it again. preferred, and a switch capable of 30 amps. Centrifugal advance assy. Everyone with a Jeep that is newer than a mid 70s has an HEI ignition, if you dont have points then it's an HEI, A GM HEI has everything integrated into the distributor, A Ford, Chrysler, and AMC has an electronic Distributor, a module and a coil. If you are replacing something other than an HEI distributor, a 1/4" female tab connector can be used to connect the wire from the ignition switch to the coil. This process allows spark plugs to light the gasoline vapors at specific times, allowing the GM engine to start once the ignition coil is signaled. This is completely computer-controlled and has no centrifugal or vacuum advance. com offers a wide variety of distributor parts and accessories including HEI Distributor Service Parts to help your distributor deliver that spark you need to win. Also fits Performance Distributors Chevrolet, Pontiac and Dodge Tri-Power Ignition Systems. This process allows spark plugs to light the gasoline vapors at specific times, allowing the GM engine to start once the ignition coil is signaled. c) center wire not altered. Edit: OK, I am going with the duraspark II 1985 distributor (with steel gear) now to determine if I should use the GM Hei ignition module or if there is another way. Or you are a trainee, or maybe even you who just would like to know about Hei Ignition Module 5 Pin Wiring Diagram. Although we did this on a slant six, the same basic conversion should work on any Mopar engine that you can get an electronic distributor for. Cadillac Northstar DIS Theory & Operation 2. 1 product rating - MSD Ignition 8877 Universal Wiring Harness GM HEI Single Electronic Spark Control Module ESC Connector Pigtail 84-95 GM TBI HEI PT-ESC-A. 2 the purple and orange wires from the distributor go to the computer under the dash instead of directly to the ignition module like earlier CJ's which were equipped with the Dura Spark ignition module. com offers 114 hei ignition wiring products. And run all ignition grounds to the engine block. The Dwell control circuit ensures, long consistent coil charging. Accel Ignition, Wiring Diagram for ACCEL Fuel Injection. MSD developed a module to replace the stock HEI module in a stock HEI Distributor. Because of that, it can be used to control timing on a GM Small Cap HEI or Ford TFI distributor. From the results you get, you'll be able to pinpoint the problem to the ignition control module or the ignition coil or the pick up coil or completely. This missing tooth signal goes to the DIS module, and it must be correct, then the DIS module creates a tach signal from that, and this is what is sent to MegaSquirt. Editors note: Although these instructions are for replacing the 57 GMC distributor with HEI ignition, they apply to any of the early year Pontiac or GMC V8 engines. Breakerless Se Ignition System - 38131. The setup has remained popular with performance enthusiasts to this day, primarily due to its simplicity. In the interest of reliability, it is best to avoid unnecessary heat generation in the HEI module. When the teeth are aligned, the magnetic field increases, which induces a electric current through the pick up coil windings. I ran down to Advance and got a new coil and still no spark. Connect it to pin 24 on the Megasquirt, or the Tach pin on the relay board. WIRE TERMINALS; AIR CONDITIONING AND HEATING REPAIR GM Distributor Module and Idle Air Control Repair Connector Pigtail $14. GM Performance Parts Ignition Control Module. Find the tach wire off the module and hook it to the Tach terminal on your new HEI. Keeping up with that fine tradition, the guys that scab in an HEI continue to ignore the ground-----When you are using a GM HEI distributor (complete) or a GM style HEI ignition module you need a power relay to correctly feed the system And since Jeep never used a GM HEI from. the green and black ones, (make sure to tape the exposed wires) and now your HEI distributor will function just as a pre ESC model does. The dwell in our 8 Pin Dyna-Module has been increased electronically to provide the coil with additional saturation time. GM HEI 8-Pin Ignition Module Wiring Diagram for TBI The GM system expects a more modern coil as well, one that is powered by 12V at all times versus the OEM coil that needs 9V during regular running and 12V at start. This locks -out the built in IC Module advance curve and prevents any ignition advance. This wire should be part of your original wiring or can be purchased separately. Searching for info concerning Chevrolet Hei Distributor Wiring Diagram? you are right below. All of this is assembled around a precision and great looking CNC machined housing. The signal from the points must be inverted to operate the HEI correctly. 9 Amp module • Matched module and coil combination • 67% more energy with a 45% faster spark breakdown over stock HEI distributors. GM HEI DISTRIBUTOR. All of this is assembled around a precision and great looking CNC machined housing. There are aftermarket. com offers 114 hei ignition wiring products. Most people who have done this modification and posted about it online have just bolted the HEI module and coil to a fender or another convenient flat surface. A-Team Performance HEI Distributor with Under the Exhaust Spark Plug Wires HEI Pigtail Harness Complete Kit Compatible with Chevrolet Chevy GM GMC SBC 262 265 267 283 302 305 307 327 350 383 400 Bl. A sign of faulty ignition module can be an engine that will crank but won't start. HEI 5 pin module question and run the ignition wire to the coil through it. Installation is easy as the Dyna-Module mounts in the stock location of an HEI module with no modifications. General Motors engine compartment connectors. The GM HEI, which stands for High Energy Ignition, is a breakerless, transistor- controlled, inductive discharge system. Connect the power wire to a 12v source that is fused and switched. wire off, and turn the ignition to the "ON" position, you should get 12+ volts when testing the wire and ground. It is posted by Maria Rodriquez in the best field. Msd 84742 8365 Hei Distributor Red And Plug Wire Set Sbc Bbc Small Big Block Chevy Msd 84742 8365 And Hei Plug Set Big Block Wire 8365 Distributor 84742 Sbc Msd Small Chevy Bbc Red Small 8365 Block Msd Wire Bbc Hei Sbc 84742 Big Set Plug And Distributor Chevy Red. I have a 1985 Chevy C10 305 V8 4BBL with a HEI distributor that has no spark. 0 out of 5 stars 11 $9. General Motors engine compartment connectors. MSD to GM HEI Distributor Harness PN 8875 IMPORTANT: Review the installation procedures of the MSD 6 Series Ignition prior to connecting the wiring harness. The other is a wire that feeds 12V+ to the coil while cranking, bypassing the resistor. fire wall mnt coil clamp gray coil wire hei / blaster 2. , EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344. Re: 4 stroke HEI Conversion Lets go back to the beginning. From the results you get, you'll be able to pinpoint the problem to the ignition control module or the ignition coil or the pick up coil or completely. I don't care what 4 cycle EZ_GO you have, there is no REV limiter in the Ignitor assembly !!!! the module has wiring inside that converts the open sensed by the hall effect unit behind the flywheel (pulsar). BASIC HEI OPERATION- Electronic Spark Control. Buy SBC CHEVY 350 SUPER HEI Distributor + RED 8mm SPARK PLUG WIRES OVER VALVE COVER at Walmart. HEI Modules • Intended for street / strip applications • 6. with a mid '70s dist that still has mechanical and vacuum advance. Mallory Ignition Module Wiring Harness. No module is fitted, as this conversion is dedicated to triggering an aftermarket performance ignition unit, such as an MSD **EFI-HEI is the same basic conversion as the Regular HEI conversion, but differs in that it uses an 8 pin General Motors Electronic Fuel Injection High Energy Ignition module. It operates in a similar fashion to the conventional points type ignition, but relies solely on a series of electronic signals to turn on and off the primary current rather than the mechanical opening and closing of points. What causes GM HEI coil failure? could be a faulty ignition module. This article refers to the Duraspark II control module with a BLUE strain relief bushing, one 4-pin connector, and one 2-pin connector. 6 out of 5 stars 3 $10. This locks -out the built in IC Module advance curve and prevents any ignition advance. This Harness is designed to simplify the installation of an MSD 6 Series Ignition Control to a GM HEI Distributor that uses a 5-pin or 7-pin module (Figure 1). Any ideas would be greatly appreciated. Features: • A complete performance HEI distributor upgrade for Chevy V8 engines • Supplied with brass terminal distributor cap and rotor • Full spark energy output to 9,000 RPM. However, in this application, the dwell control circuit is not needed. STREET-FIRE. Will also work on aftermarket FORD & Mopar HEI distributors that have the large GM style cap (coil-in-cap). BASIC HEI OPERATION- Electronic Spark Control. The Module will mount in a stock HEI housing (by removing the original condenser assembly) or in MSD's Pro-Billet HEI Distributor, PN 8365. Performance Distributors is leading the way in performance and racing ignition system innovation. 0 out of 5 stars 11 $9. MSD Midget Ignition Tester. Over time, your ignition module can get damaged by heat. Has anyone actually compared different brand GM HEI ignition modules? I know at one point a well respected John Strenk over on JU hooked up the cheapy whatever you get across the parts counter HEI module to his oscilloscope as well as GM factory one and the scope indicated original GM was far better than made in China. It will start sometimes and others it will just turn over with no fire. Any ideas on what it could be? I've taken a spark plug out, grounded it, and im still getting nothing. Where can I find the part or can I replace the ignition with a HEI system. A-Team Performance 150051 HEI Distributor Battery and Tachometer Wiring Harness 12V Ignition Coil & Tach Connector with Pigtail 4. Any help would be greatly appreciated. It started as a self contained unit that didn't require an external ignition module. Rigged it to the pick up coil, then to the primary side of the coil and to ground following a simple schematic. The info from this thread Bypass Toyota Ignition and Coil I used the parts listed in the thread Ignition Module from a 1979 GM truck with a 350 CI engine Autozone P/N DR100. Hook-up from GM HEI Distributor to Ignition. , V-6, and V-8 Engines with Delco HEI Ignition. I'm researching this. The key functions for the HEI module are to set the current limits for the ignition and establish the dwell circuitry. Everyone with a Jeep that is newer than a mid 70s has an HEI ignition, if you dont have points then it's an HEI, A GM HEI has everything integrated into the distributor, A Ford, Chrysler, and AMC has an electronic Distributor, a module and a coil. With the. You must identify which module your distributor. The dwell in our 8 Pin Dyna-Module has been increased electronically to provide the coil with additional saturation time. The first thing to remember that the system needs to have power. I see what you want to do now, I have seen distributors using the HEI module mounted in a heatsink. What else inside of the distributor could have gone bad? The car ran fine with the mallory, but the ignition module kept going out. Special Tools Required: Soldering Iron and resin core solder Misc. A points system has a constant 67% duty-cycle angle (30*/45*), while an HEI strives for a constant dwell time (of perhaps 4-5. It is recommended only for ordinary lawn & garden equipment. Any conversation about electronic ignition leads to the GM HEI, which is an abbreviation for high-energy ignition. Complete with the capacitor, this will replace the module to coil wiring harness found in GM and TSP HEI distributors. Installation is easy as the Dyna-Module mounts in the stock location of an HEI module with no modifications. The 1990-94 TPI - LT1 system also uses a more sophisticated VATS system to disable the injectors. HEI Ignition swap on Pontiac/GMC. The Hot-Spark module’s red wire connects to positive ( + or 15 on Bosch coil). Its two main roles are to create a spark strong enough to ignite the air/fuel mixture for combustion and to control the timing of the spark plugs by opening and closing the ignition coil ground circuit. Discuss 1988 Chevy Ignition Problems in the alt. MSD Launch Control Module Selector. The GM HEI ignition module is equipped with a circuit designed to increase the dwell angle to the ignition coil. In summary: Orange wire at the distributor connects will connect to the orange. The normal reading should be between 800 – 910 ohms. The ignition coil is triggered on by the HEI module with a positive going signal applied to terminal G of the module and the spark occurs when the module sees a negative going signal at that terminal, which shuts off the coil current. IGNITION PANEL WIRING HARNESS Proform Chevy HEI Racing Distributors Proform HEI High Performance Ignition Module $22. A wide variety of hei ignition wiring options are available to you,. Ignition Upgrade For Jeep 304 & 360 CID V-8 AMC Engines. The "Standard Brand" aftermarket module is a hundred times better and depedable. 0 out of 5 stars 11 $9. I have 12 volts going to the distributor and verified that I have a good ground between the engine and chassis. preferred, and a switch capable of 30 amps. The HEI module is really rugged but the coil you use, at. Ford made a copy of GM HEI coil in 80s for their TFI system. Chrysler was the first company to offer electronic triggering to the masses; it was available on some models in 1972 and became standard across the board for the 1973 model year. This one is priced at 1/4 of the new cost. If you have a mechanical regulator (stock on pre-71), you may have problems with burnt out HEI modules. Schematic One is a generic 4 Pin HEI module setup, just like what we are doing. There's a 5-pin HEI module specifically designed to listen to a knock sensor, which would simply have to be mounted and its wire connected to the relevant HEI module pin. A two-wire pigtail will have a red wire and a white wire. Looking for info about Hei Ignition Module 5 Pin Wiring Diagram? you are right below. WIRE TERMINALS; AIR CONDITIONING AND HEATING REPAIR GM Distributor Module and Idle Air Control Repair Connector Pigtail $14. PerTronix D2000 Flame-Thrower HEI GM 4 Pin Module. CDI MULTI-SPA. I still need to test drive but as far, the engine idles and revs fine. 6 ohm, is a bit high current and will have the module running hot. mile down the road died again. There is no vacuum or centrifugal advance. Next, we'll verify that the ignition control module (ICM) is receiving the signal from the pick up coil. With all 3 signals supplied, the ignition coil now starts to spark. terminal module. GM's High energy ignition (HEI), designed and built by the Delco-Remy division of General Motors starting in 1974. electronic module that provides increased. Also his stealth HEI where you wire in a GM HEI into the case. The stock AMC distributor uses a VR (variable reluctance) sensor which is perfectly compatible with the GM ignition module that controls the actual distributor timing. **contact number** Brady. Bolt this on and dump the ballast resistor forever! It is also very nice for use in older Mopar vehicles where you don't want to mount a large ignition box to your firewall. This is a VERY reliable system. Mopar HEI Conversion Bracket. If your engine runs, but very poorly after the install, chances are pretty good that all you need to do is swap the two wires on the left of the ignition module. If your GM vehicle has a slow or hard start, the ignition control module should be tested with an electrical test. HEI caps have the coil built into them, an all in one ignition as compared to a external cylindrical coil. Connect the BLACK WIRE to the ignition coil (–) terminal. This truck should have the GM HEI system and that’s probably the best ignition system that ever existed. A two-wire pigtail will have a red wire and a white wire. mile down the road died again. Most of these distributors DO. But of course normally ecm controls the timing. Improve the performance of your fuel injected GM vehicle by installing our high dwell Dyna-Module! Dwell within the module controls a coils saturation time, which is the time needed by the coil to produce a spark. If you have that, and your system has been running great until then, it is the GM HEI Module. Although we did this on a slant six, the same basic conversion should work on any Mopar engine that you can get an electronic distributor for. Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition. Also TFI module can fire the heavy duty HEI type coil. The other side of the resistor is connected to a green w/white wire, which supplies 12V+ during normal operation. GM HEI Ignition Coil. One is the longer black w/white wire connected to the resistor. It was not until the model year of 1974 that GM offered the new HEI ignition system as an alternative. I’ve got a few factory GM electrical manuals on this era of car and truck. I've noticed on my singles, that electronic ignition makes for easier starting. GM’s high energy ignition (HEI) distributor has been used as an affordable, easy to install performance distributor since its introduction in the mid 70s. These units were used on all engines in 1975 through the mid-1980s, with several different variations over the years. any suggestions??. MSD module bypass cable assemblies allow you to plug an MSD 6 or 7 Series ignition or timing accessory directly into the magnetic trigger inside a GM HEI distributor. Re: 22r to GM ignition swap? any body try this? « Reply #12 on: Dec 05, 2010, 02:57:53 PM » On the slantsix site (slantsix. Series Ignition prior to connecting the wiring harness. Running extra grounds between the engine, chassis, and HEI may not be a bad idea. From the results you get, you'll be able to pinpoint the problem to the ignition control module or the ignition coil or the pick up coil or completely. Great Shipping!!! Great Prices!!!. I have found the Ford Duraspark ignition system, especially the "blue" boxes to be dead nuts reliable. You can swap in the whole HEI dist assembaly that would include the module, OR you can do the TFI mod and only swap in the GM ign module (like the module that is used with the HEI system). Pro Comp Ignition Wiring Diagram. The coil cover has the wiring positions marked on it: Left is the tach terminal. Ignition Coil Distributor 799 x 560 · 30 kB · jpeg, Ignition Coil Distributor Wiring Diagram. This Video explains how the HEI Electronic Ignition Distributor Works. Ignition Module from a 1979 GM truck with a 350 CI engine Autozone P/N DR100 Coil from a 1972 Chevrolet k10 4wd truck with a 350 CI engine Autozone P/N C819 Optionally you can get or build a heat sink to mount the ignition module to. GM HEI DISTRIBUTOR. If you have that, and your system has been running great until then, it is the GM HEI Module. Set the trigger wheel teeth to 0 (zero). For some reason I suspected the distributor (its an HEI out of a '75 Nova). WARNING! If you are unsure of the history of your distributor, Holley recommends that the distributor be rebuilt by a qualified technician or replaced before installing the STRIP ANNIHILATOR ignition system. American Autowire 1957 Chevy Classic Update Complete Wire Harness Kit. I have a '49 3100 with a 350 and an HEI distributor. HEI provided good energy output for the GM motors during that period where the common engine redline was about 5,500 rpm. GM IGNITIONS GM Large Cap HEI Distributors There are three different large cap HEI distributors. any suggestions??. Since the only change between electronic and conventional ignition systems is in the distributor component area, it is imperative to check the secondary ignition circuit first. I have a 1986 Chevy c/10 with the 305/5. I've been reading about the signal from the Tach on the HEI. The solid state electronics provide high coil out put and superior reliability. Bolt this on and dump the ballast resistor forever! It is also very nice for use in older Mopar vehicles where you don't want to mount a large ignition box to your firewall. Or you are a student, or perhaps even you who just want to know concerning Chevrolet Hei Distributor Wiring Diagram. Cut and splice the two White wires (coil negative) together and connect to. "Due to the UAW GM Strike, there is a delay receiving parts for all GM dealers across the United States. For more information go to www. If the coil is built into the distributor cap, this wire will plug into the cap, at the "BAT" or "B+" terminal. View search results for HEI wiring and get Free Shipping on Orders Over $99 at Summit Racing! JavaScript Disabled. Modified diagram for trucks with HEI ignition and internal regulator alternator with factory gauges. It is typically used with a Pertronix points-replacement conversion kit. An ignition module, also known as a control unit or an ignitor, creates the amount of energy needed for a spark plug to ignite and controls the ignition timing. Mopar and gm electrical ignition is about the first thing I toss in the trash in place of an ignition box. Add a relay: If the ignition module (any ignition module) is starved for power, it'll work unreliably and it'll die prematurely. chevy forum at Car Dealer Forums; 88 Chevy 1500 Ext cab Long Bed. years ago, I rigged an ould outboard motor up with an HEI module ( 4 pin) outboard ignition, had a distributor, with a hall effect trigger. I have a '49 3100 with a 350 and an HEI distributor. It allows for an ultra-high energy module conversion. What else inside of the distributor could have gone bad? The car ran fine with the mallory, but the ignition module kept going out. The HEI acronym stands for High Energy Ignition, and when it debuted on the market, it was just that. Our performance ignition modules are direct replacements for popular GM and Ford electronic distributors. The ignition control module is responsible for turning the ignition coil on and off. It is typically used with a Pertronix points-replacement conversion kit. We obtain this best photo from online and select the top for you. I had heard of some hiding the GM module inside a Ford module housing but unless you live somewhere like California with their crazy pollution rules where looks count, I seriously doubt most states test anything much before OBD II. I tied into wiring going to original module. If you have that, and your system has been running great until then, it is the GM HEI Module. They say this can lead to ignition switch failures and or burn wires. Official GM Parts Direct auto parts site. THE ADVANCE SETUP: Centrifugal and vacuum advance. By installing the Ignitor II module and Flame Thrower coil, you. 454 ignition module wiring diagram. Keeping up with that fine tradition, the guys that scab in an HEI continue to ignore the ground-----When you are using a GM HEI distributor (complete) or a GM style HEI ignition module you need a power relay to correctly feed the system And since Jeep never used a GM HEI from. '74 to '77 CJ's ('75 to '77 FSJ's) used the Prestolite distributor and ignition module. This module is designed to work with the stock inductive pickups and the stock spark coils.