Chevy 350 ignition coil wiring diagram

If your car is experiencing any of the problems listed below, you may have a faulty ignition coil on your hands: Engine misfires. Rough idle. A decrease in car power, especially in acceleration. Poor fuel economy. Difficulty starting the engine. Check engine light is on. Exhaust backfiring.

Tachometer installation can be as simple as connecting the tach’s sending wire to the negative side of the ignition coil, while other ignition systems feature a dedicated tach sending circuit. In either case, installing the tachometer incorrectly can cause significant damage to both the tach and ignition system.Aug 17, 2012 · I will look and see if I can find one though. As far as the engine size, there should be a sticker on the air cleaner that tells you what engine it is. If that is gone or unreadable, let me know what the 8th digit of the VIN is and I can find out for you. Here is a link that give a lot of the specs for that vehicle. The distributor is what gets that high voltage from the coil to the right cylinder. The connection is accomplished through a cap and rotor. The ignition coil connects to the rotor, and the rotor spins around inside the cap. The coil passes a high-voltage pulse through the rotor each time it passes a contact in the cylinder, transferring its ...The most common signs of bad ignition coils in Chevy Spark are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. In worst case scenario, if the ignition coils are in really bad condition, the engine will not start.The Chevy 350 Ignition Wiring Diagram provides a clear understanding of exactly how the ignition system works with your engine. It shows the different components, such as the ignition coil, spark plugs, starter motor, and distributor, and where they are located in the engine.

NOTE: Testing the ignition system is a breeze. This tutorial will help you test the ignition coil, ignition module, and the crankshaft position sensor: How To Test The GM Ignition Control Module (1995-2005). The typical ignition system circuit diagram for the 1992-1995 4.3L, 5.0L, and 5.7L 1500, 2500, 3500 Pick Up and Suburban can be found here: Ignition System Circuit Diagram (1992-1995 Chevy ...SOURCE: Wiring Diagram 1998 Chevy S-10 starter replacement. The starter has one large cable from the battery positive, and a wire that goes to the solenoid (Part of the starter) that becomes hot when the key ignition is turned to start. This also passes through the neutral safety switch.If you own a GMC vehicle and find yourself in need of wiring diagrams, you may be wondering where to find them without breaking the bank. Luckily, there are several resources available that provide GMC wiring diagrams for free.The “S” or “Start” terminal is the hot wire from the power supply. The “I” or “Ignition” terminal is connected to the starter. Finally, the “R” or “15A” terminal is connected to the starter switch. Some solenoids may contain only three connections, and the “R” terminal is then grounded through the mounting hardware.350 tbi ignition coil connections. Hope you can help, I've gathered all these parts for a TBI conversion now I'm double checking to make sure I've got all the parts. I've checked all the wiring diagrams I can find and it's probably real simple but I can't find it. On the ignition coil there are 2 modular plugs and the high tension lead connection.350 Chevy starter wiring diagram needed this engine has a points style distributer there are 3 wires plus the large battery cable Solinoid Power Alt Output Ign Switch Start THANKS. Posted by jpwest on May 05, 2009. Find parts for your 1986 Chevrolet Nova Check Price eBay.An ignition coil is a coil in a car’s ignition system that carries the 6 or 12 volts from the battery to the many volts used to spark the spark plugs in the ignition. An ignition coil is also called a spark coil, and is classified as an ind...An ignition coil is a coil in a car’s ignition system that carries the 6 or 12 volts from the battery to the many volts used to spark the spark plugs in the ignition. An ignition coil is also called a spark coil, and is classified as an ind...

82 Chevrolet Ignition Switch Wiring Diagram. To properly read a cabling diagram, one has to learn how the components within the method operate. For instance , if a module will be powered up and it sends out a new signal of 50 percent the voltage and the technician does not know this, he would think he offers a problem, as he would expect a …82 Chevrolet Ignition Switch Wiring Diagram. To properly read a cabling diagram, one has to learn how the components within the method operate. For instance , if a module will be powered up and it sends out a new signal of 50 percent the voltage and the technician does not know this, he would think he offers a problem, as he would expect a …A Chevy 350 TBI wiring diagram is the blueprint for your vehicle's electrical system. It is composed of several components, including a power source, switches, relays, and circuit breakers. The power source could be anything from your car battery to a wall outlet. Switches control the flow of electricity and turn devices on and off.Coil-on-plug assemblies are designed to convert a low voltage (primary side) to a high voltage (secondary side) to fire the spark plugs. They perform the functions of both the ignition coil, which creates the spark energy. Today’s coil-on-plug assemblies …Dec 19, 2002 · The green wire that comes off the starter, goes to the positve side of the coil. This gives the coil power while cranking. You will also need a power wire off of the igniton switch that supplies power when the ignition switch is in the run position. This is the 12 supply while the truck is running. So once you let go of the crank positon, power ...

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Rotate the engine to 50 degrees before top dead center on cylinder one. Next, rotate the distributor until both LED lights illuminate. Now, rotate it clockwise until the crank LED turns off to ...Tachometer installation can be as simple as connecting the tach’s sending wire to the negative side of the ignition coil, while other ignition systems feature a dedicated tach sending circuit. In either case, installing the tachometer incorrectly can cause significant damage to both the tach and ignition system.View Parts. MSD. 4 Channel Relay Module. $137.95. Part# 7566-4. Add To Cart. MSD. From small block street cruisers to 10000 horsepower top fuel dragsters, MSD's ignition systems has been the industry leader for over …May 11, 2016 · http://www.ebay.com/itm/172130621594?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Southern Illinois University Carbondale OpenSIUC Presentations Department of Automotive Technology 10-5-2011 Coil On Plug Ignition: The Wired Differences If your car is experiencing any of the problems listed below, you may have a faulty ignition coil on your hands: Engine misfires. Rough idle. A decrease in car power, especially in acceleration. Poor fuel economy. Difficulty starting the engine. Check engine light is on. Exhaust backfiring.The Chevy 350 ignition coil is responsible for generating the high voltage required by the spark plugs to ignite the fuel in the engine cylinders. But understanding …A bad ignition coil high tension wire that doesn't transfer spark from the ignition coil to the distributor cap is a common issue in this type of ignition system. ... Vacuum Hose Routing Diagram (1990-1993 …View and Download Chevrolet R-V 1989 wiring diagrams online. R-V 1989 trucks pdf manual download. Also for: P 1989. ... Page 4 WIRING DIAGRAMS 7 WIRING DIAGRAMS 8 GROUNDED CIRCUIT ... LAMP 39 .8 PNK/BLK SPLICE 936 936 .8 YEL- AIR DIVERT SOLENOID 12040753 IGNITION SWITCH CONTROLLER GROUND TACHOMETER …For car enthusiasts, the 350 Chevy wiring diagram is an invaluable resource. By looking at the diagram, they can quickly identify faults and make repairs …Chevy 350 Ignition Coil Wiring Diagram Free Wiring Diagram Chevy 5.3 Ignition Coil Wiring Diagram 1998 Chevrolet K2500 7.4l 1998 Chevrolet K2500 7.4l Ignition Coil Wiring Diagram Web A Chevy 350 Ignition Coil Wiring Diagram Is Specific To The Type Of Vehicle In Question.How to wire mid-1970s through mid-1980s ignition systems / Retrofitting electronic ignition on vehicles that originally had points By Vince Spinelli of spinellicreations.com If you buy the Mopar Performance electronic ignition system, it comes with extensive instructions, wiring diagrams, and other information. This is for a …May 25, 2022 · The wiring diagrams can show you where and how to connect the different components, such as the spark plug wires, ignition coil, distributor, and starter motor. These diagrams can also help you locate any broken wires or loose connections. The Chevrolet 350 wiring diagram can also be helpful when you are troubleshooting a problem. Ignition Coils: The UNILITE® Ignition system works with most stock ignition coils and aftermarket high performance ignition coils. For optimum performance, use a Mallory PROMASTER® Coil Part No 29440 or 29625, or Mallory Chrome Electronic Ignition Coil Part No. 29216. Spark Plug Wires: To prevent false triggering and premature ignition ...Our 1972 Chevrolet Blazer had some intermittent ignition problems, so we called in Dave Welch, the expert in Classic Trucks to help us sort it out. Dave remo...

1. (Do not disconnect wires from Ignition coil). Place ignition switch in the “off” posi-tion. 2. Connect a jumper wire from negative (-) terminal of the coil to a good engine ground. 3.Connect the voltmeter red lead to the positive (+) terminal of the coil and the black lead to a good engine ground. 4.Turn the ignition switch to the “on ...

01-sep-2021 - 80 Ignition Updated In Chevy 350 Ignition Coil Wiring Diagram, best images 80 Ignition Updated In Chevy 350 Ignition Coil Wiring Diagram Added on Wiring Diagram – strategiccontentmarketing.coThe average ignition relay replacement cost is between $15 and $100, depending on the car model and labor costs. An ignition relay costs $5 to $50, and labor costs $10 to $50. The ignition relay itself is often very cheap, and you can expect it to cost under $10, depending on if you want to buy an OEM original one or aftermarket.In summary, It is not difficult to wire an ignition system/diagram. First, connect the positive terminal of the ignition coil to a 12V battery and the negative terminal (of the ignition coil) to the switching unit and then to the ground. Next, connect the output section of the ignition coil to the spark plug.350 Chevy starter wiring diagram needed this engine has a points style distributer there are 3 wires plus the large battery cable Solinoid Power Alt Output Ign Switch Start THANKS. Posted by jpwest on May 05, 2009. Find parts for your 1986 Chevrolet Nova Check Price eBay.6 Answers. SOURCE: 350 Chevy starter wiring diagram needed. IF YOU HAVE A POINTS TYPE DISTRIBUTER, THE WIRING WILL BE: TO ENERGIZE THE STARTER SOLENOID A LARGE, ABOUT A NUMBER 12 OR 14 GAUGE WIRE WILL GO TO THE INNER MOST SMALL TERMINAL ON THE STARTER SOLENOID. IT MAY BE PURPLE IN COLOR.diagram of 55 chevy Bel air ignition switch. I am having trouble with some of my lights and radio working. I have a switch with 7 posts and only 4 wires are connected. They are pink, green, brown and red. I do have a Mallory coil and distributor on the car.Sep 25, 2012 · 6 Answers. SOURCE: 350 Chevy starter wiring diagram needed. IF YOU HAVE A POINTS TYPE DISTRIBUTER, THE WIRING WILL BE: TO ENERGIZE THE STARTER SOLENOID A LARGE, ABOUT A NUMBER 12 OR 14 GAUGE WIRE WILL GO TO THE INNER MOST SMALL TERMINAL ON THE STARTER SOLENOID. IT MAY BE PURPLE IN COLOR. For starters, a 4-wire ignition coil comes with four pins. Examine the above image for the coil pack wiring diagram. 12V pin comes from the ignition switch. The battery sends a 12V signal to the ignition coil through the ignition switch. 5V IGT pin act as the reference voltage for the 4-wire ignition coil.I will look and see if I can find one though. As far as the engine size, there should be a sticker on the air cleaner that tells you what engine it is. If that is gone or unreadable, let me know what the 8th digit of the VIN is and I can find out for you. Here is a link that give a lot of the specs for that vehicle.

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May 26, 2004 · 1,695. May 27, 2004. #3. Re: ignition coil wiring OMC 350 5.7L. On the +, one wire is the resistor wire which feeds a dropped voltage to the coil while the engine is running, the other is a wire from the starter which feeds a full +12V while cranking. <br /><br />On the -, one is from the shift interrupt (ESA) and the other is the tach wire. Sep 5, 2020 - Hei Distributor Wiring Diagram Chevy 350 . Hei Distributor Wiring Diagram Chevy 350 . Hei Distributor Wiring Diagram Chevy 350 Zookastar. Hei Distributor Wiring Diagram Chevy 350 Stylesync Me Pleasing. Chevy Hei Distributor Wiring Diagram Luxury Design Ignition Coil InDec 29, 2006 · The 3 wire connector that goes from the cap to the distributor is the wires from the pick up and module to the coil. If it is a small cap with one wire coming out of the distributor it is a points distributor and should be thrown in the bushes and replaced with an HEI. That one wire goes to the negative side of the coil with ignition switched ... The 350 Chevy wiring diagram is an indispensable tool for understanding and troubleshooting the complex electrical systems of the Chevrolet 350 engine. ... Gm Hei Ignition Distributor Wiring Diagrams And Guide. ... I Need A Wiring Diagram For 350 Engine Ignition System Only The Starter Dist Key Batt Alt It Has Coil In. Wiring Diagrams 59 60 64 ...Basic Electrical Theory Electrical Components Switches & Relays Wiring Harness Test Equipment Testing with a Multi-meter. If you want all the premium wiring diagrams that are available for your vehicle that are accessible on-line right now - WIRING DIAGRAMS for just $19.95 you can have full on-line access to everything you need including premium wiring …1992-1995 4.3L Astro/SafariIgnition System No-Start Problem Diagnostic Manual. $3.99 USD. All of the information you need to diagnose a no-start problem caused by the ignition module, or the ignition coil, or the distributor pickup coil. Diagnostic manual comes with: Wiring diagram. Component pin outs.29625, or Mallory Chrome Electronic Ignition Coil Part No. 29216. Spark Plug Wires: To prevent false triggering and premature ignition failures, use suppression type spark plug wire. We recommend spiral core ignition wire, such as Mallory PRO SIDEWINDER® Ignition Wire. Spark Plug Gaps: For street applications, use your engine manufacturer’s ...If you own a GMC vehicle and find yourself in need of wiring diagrams, you may be wondering where to find them without breaking the bank. Luckily, there are several resources available that provide GMC wiring diagrams for free. ….

May 27, 2004. #3. Re: ignition coil wiring OMC 350 5.7L. On the +, one wire is the resistor wire which feeds a dropped voltage to the coil while the engine is running, the other is a wire from the starter which feeds a full +12V while cranking. <br /><br />On the -, one is from the shift interrupt (ESA) and the other is the tach wire.Are you trying to find a Chevy 350 Ignition Coil Wiring Diagram? Here you can find info about the Chevy 350 Ignition Coil Wiring Diagram, pointers, and frequently asked questions. We have made this page for people searching for a Chevy 350 Ignition Coil Wiring Diagram. Our info will assist you to solve your problem.The typical ignition system circuit diagram for the 1996-1999 4.3L, 5.0L, and 5.7L 1500, 2500, 3500 Pick Up and Suburban can be found here: Ignition System Circuit Diagram (1996-1999 Chevy/GMC Pick Up And SUV). Ignition System Diagnostic Manual Download. Testing a no-start problem or a misfire due to an ignition system problem is not hard.Jul 6, 2016 · MSD 8501 Ultimate HEI Kit View Accel 140003 GM High Energy HEI Super Coil, Red/Yellow View MSD 8225 HEI High Performance Direct Replacement Coil View Chevy V8 GM HEI Distributor w/ MSD Module View Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. STEP 1: CHECK ENGINE LIGHT. Anytime you have an engine that is backfiring the first thing to look for is a check engine light. If no warning lights are on continue down this guide. If the check engine or service engine soon light in on scan the computer for trouble codes.Jan 29, 2018 · 1992-1995 4.3L Astro/SafariIgnition System No-Start Problem Diagnostic Manual. $3.99 USD. All of the information you need to diagnose a no-start problem caused by the ignition module, or the ignition coil, or the distributor pickup coil. Diagnostic manual comes with: Wiring diagram. Component pin outs. Feb 14, 2015 · The firing order for the Gen I small-block engine is 1-8- 4-3-6-5-7-2. The firing order for the LSseries engines is 1-8-7-2-6-5-4-3. Notice that cylinders 4 and 7 have swapped, and cylinders 3 and 2 have swapped. When you compare this PCM’s fuel injector wiring diagrams for the Gen I small-block with the LS-series engines, you see something ... The most common signs of bad ignition coils in Chevy Spark are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. In worst case scenario, if the ignition coils are in really bad condition, the engine will not start. Chevy 350 ignition coil wiring diagram, Are you trying to find a Chevy 350 Ignition Coil Wiring Diagram? Here you can find info about the Chevy 350 Ignition Coil Wiring Diagram, pointers, and frequently asked questions. We have made this page for people searching for a Chevy 350 Ignition Coil Wiring Diagram. Our info will assist you to solve your problem., Fig. 5: Wiring diagram-C/K trucks-1982; Fig. 6: Wiring diagram-C/K trucks-1982; Access our GM Full-Size Trucks 1980-1987 Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your ..., Here are the EDIS external wiring diagrams for the EDIS4, EDIS-6 and EDIS-8: Note that the EDIS-4 and EDIS-8 key are similar, but swapped from end to end. Do not attempt to connect them, you will ruin the module, wiring, and/or coil packs. In all case the clip is the most useful guide to the pin numbering. Pin #1 is usually marked on the connector., The wiring diagram of a 1997 Chevy 1500 is an invaluable tool for vehicle owners and mechanics alike. It provides an easy way to read and understand the various parts of an electrical system, and to trace electrical faults. Whether you're looking to make minor repairs or major overhauls to your pickup truck, understanding the wiring diagram …, Coil-on-plug assemblies are designed to convert a low voltage (primary side) to a high voltage (secondary side) to fire the spark plugs. They perform the functions of both the ignition coil, which creates the spark energy. Today’s coil-on-plug assemblies …, If your car is experiencing any of the problems listed below, you may have a faulty ignition coil on your hands: Engine misfires. Rough idle. A decrease in car power, especially in acceleration. Poor fuel economy. Difficulty starting the engine. Check engine light is on. Exhaust backfiring., The “S” or “Start” terminal is the hot wire from the power supply. The “I” or “Ignition” terminal is connected to the starter. Finally, the “R” or “15A” terminal is connected to the starter switch. Some solenoids may contain only three connections, and the “R” terminal is then grounded through the mounting hardware., Remove the wire from JS10 to the center hole of Q16. Run a jumper wire from PAD1 to the center hole of the Q16 slot, and remove Q16 if fitted. Run a jumper wire from PAD3 to SPR4. External Ignition Wiring. The R pin is the HEI module’s tach output. Connect it to pin 24 on the Megasquirt, or the Tach pin on the relay board., An ignition coil pack takes the low voltage from the battery and boosts it to the level where it can cause a spark to bridge the gap in a spark plug. This then ignites the fuel and air in an engine's cylinder. Hence, ignition. So, if your car has trouble starting, runs rough, has a misfire, or is getting thirstier, it may be that there is a ..., Dec 19, 2002 · The green wire that comes off the starter, goes to the positve side of the coil. This gives the coil power while cranking. You will also need a power wire off of the igniton switch that supplies power when the ignition switch is in the run position. This is the 12 supply while the truck is running. So once you let go of the crank positon, power ... , diagram of 55 chevy Bel air ignition switch. I am having trouble with some of my lights and radio working. I have a switch with 7 posts and only 4 wires are connected. They are pink, green, brown and red. I do have a Mallory coil and distributor on the car., A starter wiring diagram for a Chevy 350 engine is essential for getting your vehicle running smoothly and safely. It outlines the precise connections between all the components of the starter system, including …, Learn how to wire a Chevy 350 ignition coil by following this detailed diagram. Discover the correct wiring connections for optimal performance and …, Aug 10, 2022 · Chevy Wiring Diagrams. 1985 1992 Gm Tbi Engine Efi Wiring Harness Com. Tbi Wiring Harness Affordable Fuel Injection. Top Circuits Page 179 Next Gr. Throttle Body Wiring. Ignition System Circuit Diagram 1992 1995 Chevy Gmc Pick Up And Suv. 1993 Chevy 350 Tbi Issues Page 4 Hot Rod Forum. Chevy 350 Tbi 350tbi Efi Engine Wire Wiring Harness 88 89 ... , The most common signs of bad ignition coils in Chevy Spark are engine hesitation when accelerating or loss of power, rough idle, misfires, excessive fuel consumption, check engine light illuminates, and sometimes hard starting. In worst case scenario, if the ignition coils are in really bad condition, the engine will not start., #1 · Jan 13, 2009 Hope you can help, I've gathered all these parts for a TBI conversion now I'm double checking to make sure I've got all the parts. I've checked all …, Symptoms of a bad ignition coil include backfiring, bad fuel economy, and stalling and starting issues. Before the ignition coil is replaced, the engine will need to be properly diagnosed to ensure it is the root of the problem., The Chevy 350 Hei Distributor wiring diagram consists of several components, including the distributor, ignition coils, spark plugs, and the battery. The diagram also includes other relevant components such as relays, fuses, switches, and the PCM (powertrain control module)., Aug 3, 2017 · Tachometer installation can be as simple as connecting the tach’s sending wire to the negative side of the ignition coil, while other ignition systems feature a dedicated tach sending circuit. In either case, installing the tachometer incorrectly can cause significant damage to both the tach and ignition system. , Web at the heart of the chevy 350 coil wiring diagram pdf is the ignition coil. Web i need a wiring diagram for a 350 engine ignition system.only the starter.dist. Web the chevy 350 ignition wiring diagram provides a clear understanding of exactly how the ignition system works with your engine. Chevy Truck Underhood Wiring Diagrams …, Ignition Coil. Electrical Wiring Diagram. 1986 Chevy Truck. 2007 Chevy Silverado. 2004 Dodge Ram 1500. 1954 Chevy Truck. Custom Chevy Trucks. Automotive Repair. 1995 Chevy Silverado., It can generate a torque of 5800 RPM. The firing order of a small block Chevy is 1-8-4-3-6-5-7-2. This is the order in which the spark plugs fire. The first plug fires at the number one cylinder, and the last plug fires at the number two cylinder. The spark plugs are numbered from the front of the engine to the back., Fig. 1: Common Throttle Position Sensor (TPS) wiring diagram (wire color, terminal identification/location may vary on certain models) In addition, I send you some wiring diagrams that coud helpful (click image for zoom)... Fig. 7: 1996 GM 4.3L Engine Schematic Fig. 10: 1996-1997 GM S10/Blazer Chassis Schematic Hope this helps. …, Aug 18, 2022 · Follow the manufacturer's instructions to install the mounting bracket securely to the surface. Use screws or other provided hardware to fasten the bracket in place. Connect the Wiring: Refer to the wiring diagram or instructions provided with the tachometer and your vehicle's wiring diagram. Identify the ignition coil or ignition system wire ... , The Chevy 350 Hei Distributor is a key component in the engine’s powertrain. It is responsible for regulating the spark timing of the engine. This distributor is used mainly in Chevrolet cars between 1968 and 1995. The first step in understanding the wiring diagram is to familiarize yourself with the components., (Image/OnAllCylinders) Our small-block Chevy firing order is 1-8-4-3-6-5-7-2, so that’s the order in which we will install the plug wires. We started with Number One and worked our way around the distributor cap clockwise using a set of Summit spark plug wires.The best way to do this so you don’t get confused is to just follow the firing order …, This tutorial will help you test the ignition coil, ignition module, and the crankshaft position sensor: How To Test The GM Ignition Control Module (1995-2005). The typical ignition system circuit diagram for the 1992-1995 4.3L, 5.0L, and 5.7L 1500, 2500, 3500 Pick Up and Suburban can be found here: Ignition System Circuit Diagram (1992-1995 ... , Aug 10, 2022 · The Chevy TBI distributor wiring diagram consists of several key components that help keep your vehicle running at maximum efficiency. The main component is the main circuit breaker, which is responsible for providing power to the rest of the components. Further, the main circuit breaker is connected to the distributor, the spark plugs, and the ... , The RTR 3-wire distributor h as an internal ignition module and does not require an external ignition control box to run. There are (3) wires coming out of the distributor, leading into a Weather Pack 3 pin connector. , As you look through a 1957 Chevy ignition switch wiring diagram, you'll notice symbols that represent each electrical component in the vehicle's electrical system. These symbols are almost universally accepted, so you'll know right away what kind of component you're looking at. Knowing these symbols can be invaluable when you're …, A points-type coil has 1.24 to 1.46 ohms of resistance between the positive and negative contacts, whereas a TI coil will only have 0.41 to 0.51 ohms of resistance. Using a points-style coil on a TI ignition will give significantly less voltage from a coil's secondary ignition (coil wire to distributor)., Oct 11, 2020 - Hei Distributor Wiring Diagram Chevy 350 . Hei Distributor Wiring Diagram Chevy 350 . Hei Distributor Wiring Diagram Chevy 350 Zookastar. Hei Distributor Wiring Diagram Chevy 350 Stylesync Me Pleasing. Chevy Hei Distributor Wiring Diagram Luxury Design Ignition Coil In, rfrazeMemberfrom Vida, Oregon. The coil you have says to run a resistor. Test voltage at wire from ignition to coil +. If you have 9 or so, it may be resistance wire. (If battery has 12+) If 12 at coil, mount resistor on firewall (they get hot), run wire from IGN to input side, check output side voltage.