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The new distributor is a Pro-Comp with a 50,000 volt coil. I have an Accel gear reduction starter also installed in the car. Before I changed over to the HEI distributor, I never had a problem with starting the car. I also changed the spark plugs and wires when I changed the distributor. The new HEI distributor has a three wire hook up.Mar 13, 2002 · The tach wire is brown. It connects to the – side of the coil along with the black wire that connects to the dist/points (stock points type dist). If the engine harness is not a gauge dash harness, it won't have the tach wire. TC member 368. Reply. 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 ...Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.The Ford 302 Hei Distributor Wiring Diagram provides an overview of the wiring system related to the distributor. This diagram is especially useful when working with older vehicles and those that have been modified. By providing a visual representation of the wiring, the diagram makes it easy to identify and troubleshoot any issues that may arise.10. If converting from a point type ignition new HEI style spark plug wires should be used (Check with your dealer for Flame-Thrower plug wires). 11. Connect the Flame-Thrower wire harness and vehicle wiring harness into the distributor cap. 12. If converting from a point type ignition, remove any resistance wire, orCraig Darpino from American Autowire shows how to properly wire an HEI distributer.Make up a 12 gauge wire with an in-line 20 amp fuse. Connect that wire from the ignition switch directly to the BAT position on the HEI. You do not have to connect anything to the TACH position, but if you want a tach, most semi-modern tachs (like my Sun Super Tach III) work just fine when connected to the TACH output.Remove your distributor cap. Rotate engine until both valves are closed on #1 and then use a pencil or stiff wire etc. to carefully feel the piston come up in the …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.The firing order on a traditional Chevy is: 1-8-4-3-6-5-7-2. If you view the top of the distributor cap, the spark ... Notes on wiring for an "HEI" distributor with the coil in the cap; ... Section 2 "Identification of HEI Ignition Systems" authored by Schurkey. Photo 3. Disassembled HEI (Not shown: roll pin for distributor gear, ...This wiring diagram will show you how to wire an ignition coil. The coil is a small piece of metal that is used in your car's spark plug to ignite the fuel. ... Distributor-less Ignition System. This is the newest type of ignition system and it is different from both the conventional and electronic ignition systems. The coils sit right on top ...Adam going through how simple it is to wire up any carbureted small block Chevy Motor.CHECK OUT THE UPDATED VERSION OF THIS VIDEO AT https://www.youtube.com/...This item: ACDelco GM Genuine Parts 19207437 Ignition Distributor Wiring Harness. $1939. +. PerTronix D2000 Flame-Thrower HEI GM 4 Pin Module. $5944. +. PerTronix D3000 Flame-Thrower Red/Yellow Wire 50,000 Volt HEI Coil , Black. $7340.www.cemaz.com. Mar 20, 2010. #2. Yes the big batt cable goes to the big post on the solenoid, along with a pair of 10 gauge wires on a ring terminal. Those wires go back to the alternator and the fuse panel. Older starter solenoids also have two small terminals. The pass side small terminal is for the start wire from the key.The wiring diagram for the Chevy 350 HEI distributor is fairly straightforward and requires the use of a few basic tools. It's important that all wires are connected correctly to ensure proper functionality. Start by disconnecting the negative battery terminal and removing the distributor cap from the engine. Then, attach the two …Chevrolet Master. 6,982 Answers. That distributor is an easy one. You need to connect the harness attached to the distributor housing to the cap. There is a marking on the cap that says "Batt" Connect that to the hot lead from the ignition switch that is on (with 12V present) and off with switch off. Likely the connector and wire are still in ...Chevy 350 Sbc And Bbc Firing Order With Diagram Afe. Engine Keeps Popping The 1947 Present Chevrolet Gmc Truck Message Board Network. How To Wire And Start An Engine. Gm Hei Ignition Distributor Wiring Diagrams And Guide. Gm Hei Ignition Distributor Wiring Diagrams And Guide. I Ve Got A 1988 Chev P U 350 4x4 …Nov 12, 2013 · The first is to obtain a good salvage-yard replacement. Remember, the 1974-1980 HEI distributors used the same advance weights, springs, and stops as most of the points-type units, making this a ... Lays out firing order and length of plug wires from distributor to cylinders. Vehicle used in video is a 1972 Chevrolet Chevelle with a 350 small blockALL MY VIDEOS ARE IN 1080p so check that outjust an idea on how to wire a GM HEI electronic distributor into an aftermarket ignition box thanks for watching ...Feb 23, 2022 · A single 12-volt wire is all that is required to function, and it can be easily stabbed into any distributor-fired Chevrolet engine. It’s a staple among hot rodders. GM’s HEI distributor was envisioned and ultimately built by the Delco-Remy Division of General Motors and found its way into production vehicles starting in 1974. Make up a 12 gauge wire with an in-line 20 amp fuse. Connect that wire from the ignition switch directly to the BAT position on the HEI. You do not have to connect anything to the TACH position, but if you want a tach, most semi-modern tachs (like my Sun Super Tach III) work just fine when connected to the TACH output.The firing order of Chevy 350 and other SBC/BBC engines is 1-8-4-3-6-5-7-2. Read more: SBC Head Casting Numbers: Full List Lookup. HEI Distributor Chevy 350 Firing Order. A High Energy Ignition distributor cap usually has its firing order, but it’s not necessarily different from the engine’s firing order. An HEI distributor cap is a small ...Backfiring distributor wiring diagram 350 5 7l 2wd c1500 re factory hei car to run points gbodyforum 1978 1988 general motors a g body community dizzy jeep wrangler forum engine keeps popping the 1947 present chevrolet gmc truck message board network chevy 4pin questions tech support team performance super red cap and spark plug wires set 8mm over ... <a title="Chevy 350 Hei Distributor Wiring ...Also both types of caps are shown, HEI and old school Points Style. Remember you can put the wires any where you want as long as the sequence is right. Sometimes you need to do this to clear things with distributor interference. The firing order works for the following Small Block Chevy Engines - 283 Chevy 302 Chevy 305 Chevy 307 Chevy 327 Chevy It required the use of a separate coil and ignition box. Under all those wires is an MSD distributor for use with an MSD 6 box and an ignition retard for nitrous use. On the dyno or at the track, this micro adjuster for setting the timing is a boon. It allows precise changes in timing as small as 1/4 degree.Make up a 12 gauge wire with an in-line 20 amp fuse. Connect that wire from the ignition switch directly to the BAT position on the HEI. You do not have to connect anything to the TACH position, but if you want a tach, most semi-modern tachs (like my Sun Super Tach III) work just fine when connected to the TACH output.Distributor Wiring Harnesses; Wiring Connectors and Pigtails; Wiring Harnesses; ... Chevy SBC 350 BBC 454 6000 Series 65K Coil HEI Distributor [Red Cap] US $60.00 US $75.00 . No Reviews yet. Promo . Build to Order. ... Chevy SBC 350 BBC 454 6000 Series 65K Coil HEI Distributor [Black Cap] US $67.50 US $75.00 . No Reviews yet. Promo .The Chevy 350 HEI Distributor Wiring Diagram is an essential guide for anyone who needs to understand the wiring of their Chevy engine. This diagram shows the connections between the distributor, spark plugs, wires, and other components of the engine. It also shows which colors of wires connect to which parts of the engine.Having a Chevy 350 ...In almost all cases, the distributor will sit about 3/8 inch off of the manifold. This is normal and is caused by the oil pump drive not engaged into the drive tang in the distributor. You can remove the distributor and try to re-orient the oil pump drive slot with a long straight screwdriver, but this is somewhat difficult.High-quality, durable and dependable Chevrolet Performance distributors optimize the performance of your GM engine. These distributors are interchangeable among standard GM Small-Block and Big-Block V-8s. For tall-deck engines, use adjustable slip collar distributor P/N 10093387. NOTE: Melonized distributor gear P/N 10456413 is required on all ...The Pro-Billet Ready-to-Run distributor is the perfect upgrade for outdated points distributors or bulky HEIs. Simply install the distributor in the engine, connect three wires, the coil and fire it up! A maintenance-free …Aug 13, 2003 · The wires coming from the distributor base plug into the distributor cap. A 'hot' wire from the ignition switch (when in the 'on' position) goes to the 'BAT' spade terminal in the cap. Do not use a ballast resistor or a resistor wire. You need full 12 volts to the HEI all the time. The wire that originally went from the starter solenoid 'R ... Check the rotor and the cap for excessive wear. Check the coil tower for excessive wear. Remove the top plastic cap on the distributor cap. Use an ohmmeter and check the coil positive terminal to the metal case of the coil. The reading should be infinity. Check the coil tower and the negative terminal. The reading should be 900 ohms.Feb 3, 2023 · A diagram makes the complex wiring connections easier to understand and troubleshoot, and can save time and money. Installing an HEI Distributor Wiring Diagram on a Chevy 350 engine is an important part of any performance upgrade. This diagram will provide information on exactly where each wire goes and what it does. The Sniper kit includes a purple wire that allows you to connect to the tach out terminal on the CD box and plug directly into the crank signal harness on the Sniper. In the event you only have a coil and distributor, no problem. Connect the yellow-wire on the 7-pin connector from the Sniper to the Coil (-). Choose one of these methods initially.4. Lift the distributor out of the engine. Note that the rotor rotates as you lift the distributor out. This is due to the helical cut gear and should be taken into consideration when installing the new distributor. 5. Install the gasket and apply a liberal amount of lubricant to the distributor gear. 6. Install the new distributor.Aug 5, 2022 · A Chevy 350 HEI spark plug wiring diagram usually consists of a large distributor cap, two small metal posts, and several wires. The two small metal posts are the battery cable and the coil wire. The battery cable carries power from the battery to the distributor. The coil wire carries the spark from the distributor to the spark plugs. With the tremendous growth of the performance industry in the 90's, PerTronix began to shift our emphasis to our automotive product offering. This substantial growth, along with the addition of our Flame-Thrower® coil and spark plug wire product lines made it necessary for PerTronix to expand production and relocate to a brand new 22,000 square foot custom …Apr 16, 2020 · We prefer to set the initial timing for most engines at 10 degrees Before Top Dead Center (BTDC). With that set, remove the cap from the distributor. We’re using a Summit HEI distributor. We use a black Sharpie to place a mark on the distributor body where we want the Number One spark plug wire to be located. The Chevy 350 HEI Distributor Wiring Diagram is an essential guide for anyone who needs to understand the wiring of their Chevy engine. This diagram shows the connections between the distributor, spark plugs, wires, and other components of the engine. It also shows which colors of wires connect to which parts of the engine.Chevy 350 Sbc And Bbc Firing Order With Diagram Afe. Engine Keeps Popping The 1947 Present Chevrolet Gmc Truck Message Board Network. How To Wire And Start An Engine. Gm Hei Ignition Distributor Wiring Diagrams And Guide. Gm Hei Ignition Distributor Wiring Diagrams And Guide. I Ve Got A 1988 Chev P U 350 4x4 …11/02 0017-004400 DISTRIBUTOR INSTALLATION Disconnect the Flame-Thrower wire harness from the distributor cap. Remove the cap from the distributor housing. Install … If this installation seems to cause a roughThere should be a green wire coming from the fLastly, the SBC HEI Distributor Wiring Di
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Accel’s Hei Distributor Wiring Diagram is a comprehensive, easy-to-follow guide that will help… Read More » ... A Team Performance Super Hei Distributor Red Cap And Spark Plug Wires Set 8mm Over Valve Cover Kit Compatible With Sbc Chevy Small Block Chevrolet 350. Accel Hei Distributor Plug Wiring The 1947 Present Chevrolet …The Ford 302 Hei Distributor wiring diagram is available in PDF format, making it easy to download and reference while working on the engine. This wiring diagram shows all the necessary connections to properly install the Hei Distributor in the engine. It also contains detailed images and descriptions of each connector and the components that ...Complete hei distributor replaces small block chevy 283,305, 327,350 and 400, also replaces 396, 427, and 454 big block chevy. 65,000 volt coil provides hot spark for maximum performance using solid brass terminals. High quality cnc aluminum body provides years of trouble-free operation. Fully compatible with flat tappet and hydraulic roller cams.Dec 9, 2020 · A Comprehensive Guide to Understanding the SBC Wiring Diagram. The SBC wiring diagram is a fundamental tool for anyone wanting to get into or improve their understanding of electronics. It illustrates the detailed connections between components and boards, allowing engineers and technicians to quickly determine the best route for wiring. 10. If converting from a point type ignition new HEI style spark plug wires should be used (Check with your dealer for Flame-Thrower plug wires). 11. Connect the Flame-Thrower wire harness and vehicle wiring harness into the distributor cap. 12. If converting from a point type ignition, remove any resistance wire, orChevy 350 Hei Distributor Wiring Diagram. The Chevy 350 HEI Distributor Wiring Diagram is an essential guide for anyone who needs to understand …High-quality, durable and dependable Chevrolet Performance distributors optimize the performance of your GM engine. These distributors are interchangeable among standard GM Small-Block and Big-Block V-8s. For tall-deck engines, use adjustable slip collar distributor P/N 10093387. NOTE: Melonized distributor gear P/N 10456413 is required on all ... The HEI distributor is an inductive-discharge-style ignition, but with the points replaced by a solid-state switching device called an electronic ignition-control module. The module works...Apr 16, 2020 · We prefer to set the initial timing for most engines at 10 degrees Before Top Dead Center (BTDC). With that set, remove the cap from the distributor. We’re using a Summit HEI distributor. We use a black Sharpie to place a mark on the distributor body where we want the Number One spark plug wire to be located. onto the distributor. 10. Install the distributor cap and spark plug wires one at a time to ensure correct location. 11. Connect a switched 14-gauge wire from a 12 volt source to the B+ terminal of the Distributor Cap (Figure 2). (Be sure the 3-pinChevy 350 Hei Distributor Wiring Diagram. The Chevy 350 HEI Distributor Wiring Diagram is an essential guide for anyone who needs to understand …Testing the pickup. When checking for 12 volts, do so while you are cranking the engine. If the battery voltage drops below 10.5 volts while cranking, you probably have a bad battery. This low voltage could be insufficient to get the distributor to fire. Use a volt meter to test the hot wire while a buddy cranks the engine over.From there, two separate wires connect to the spark plugs, one for each cylinder. The spark plug wires then feed into the distributor cap, where the electrical current is distributed among the cylinders. Using a Chevy 350 Hei Distributor Plug Wiring Diagram can help you easily identify each component of the wiring system and the …May 26, 2022 · The diagram will also help you identify any damaged or corroded wires, which can be dangerous if left unchecked. A properly functioning wiring diagram will show you which wires are in good condition and which need to be replaced. This allows you to make sure your engine is running safely and efficiently. Finally, a Chevy 350 Hei Distributor ... The best way to find wiring diagrams for John Deere products is to visit the technical information bookstore at the John Deere website. The two search options provided at the site are component technical manuals and technical manuals.Don’t let the power of the HEI distributor go to waste – take the time to study and understand the wiring diagram, and unleash the full potential of your engine. The Basics of a Chevy HEI Distributor. A Chevy HEI distributor is a type of ignition system that replaces the traditional points and condenser system found in older engines. It required the use of a separate coil and ignition box. Under all those wires is an MSD distributor for use with an MSD 6 box and an ignition retard for nitrous use. On the dyno or at the track, this micro adjuster for setting the timing is a boon. It allows precise changes in timing as small as 1/4 degree.1 – HEI distributor rotor 1 – HEI wire retainer 1 – HEI vacuum advance canister (adjustable) with Allen wrench 1 – Set of HEI mechanical advance weights, E-clips, pivot pin washers 1 – HEI 4-pin module, wiring harness and packet of white thermal grease 3 – Sets of mechanical advance springs (HD silver, medium blue, LT silver) Figure 9 MSD and Large Cap GM HEI Distributors. GM HEI, INTERNAL COIL DISTRIBUTORS There are three style large cap HEI distributors. To identify which wiring diagram fits your application, remove the distributor cap and rotor and locate the ignition module at the base of the housing. Count the number of terminals on both ends of the …The Chevy 350 TBI distributor wiring diagram consists of several components: The main power supply, the ignition switch, the distributor, and the ECU (Engine Control Unit). Each component is connected to the other, either directly or through relays, switches, or other intermediate devices. All of these components are designed to …Oct 29, 2012 · 2. Using the diagram above, wire up the main power and ground wires. Start with the power cable from the battery. Use a single 10 gauge strand. Attach an eyelet to one end (or however you'd like to connect to the battery) and a spade connector to the other to connect to the relay. Somewhere near the battery cut the wire and solder in the 30amp ... For anyone working on a 350 Chevy engine, the 350 Chevy Distributor Diagram is an invaluable resource. It provides all the information needed to properly diagnose and repair any problems that may arise, as well as make performance modifications to improve the engine's efficiency and power. 77 Formula 400 And Lost …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.Here are the complete wiring harness schematics for the 73-87 series pickups. These are HUGE jpgs so you may want to save them to your hard drive and print the pages you need. 73-76 diagrams. 73-76 cab Interior. 73-76 chassis rear Lighting (chassis/cab and Stepside. 73-76 chassis rear Lighting (Fleetside and Suburban.wiring or a ballast resistor in the coil positive (+) wiring. This reduces the voltage at the coil positive terminal. An MSD Ready-to-Run Distributor requires a solid 12 volts to perform at its full potential. By adding a Relay, PN 8961, you can ensure that the distributor receives a full 12 volts during cranking and while running. The diagram ... See attached diagram for the 69 Camaro Ignition switch. The Pink Wire is HOT in the RUN and START Position. At the bulkhead connector it is a resistance wire to the coil. When HEI it would go to the BAT side. If the resistance wire was changed at the bulkhead to to the BAT side of the HEI it would still be HOT in both the RUN and START …With an HEI distributor, there is a three-wire inboard connector between the HEI module and the cap. On the outboard side of this connector, there are two …Also both types of caps are shown, HEI and old school Points Style. Remember you can put the wires any where you want as long as the sequence is right. Sometimes you need to do this to clear things with distributor interference. The firing order works for the following Small Block Chevy Engines - 283 Chevy 302 Chevy 305 Chevy 307 Chevy 327 Chevy Tach Signal: The Pro-Billet HEI Distributor features a Gray Tach Output wire which provides a clean signal for most tachometers and even some aftermarket fuel injection systems. The signal output is a 12 volt square wave, 20° duty cycle. This wire is also responsible for programming the built-in rev limiter. 1 - Tube of Gear LubricantMake up a 12 gauge wire with an in-line 20 How To Wire And Start An Engine. Gm Hei Ignition Distrib
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4. Connect the distributor's #1 spark plug wire to the #1 spark plug on the engine. The #1 spark plug is usually located on the driver's side front cylinder. 5. Connect the remaining spark plug wires in firing order sequence to the distributor cap terminals. The firing order for a Buick 455 engine is 1-8-4-3-6-5-7-2.Find an electric scooter wiring diagram on websites such as ElectricScooterParts.com and Wiringdiagrams21.com, as of 2015. The electrical system of a scooter contains several components including a controller, control connector, brake, powe...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.1 - Harness, PN 8860 4 - Wire Splicers 1 - Harness, PN 8861 2 - Wire Ties 1 - 18" Ground Wire 1 - Faston Receptacle 1 - White Jumper 2 - Faston Straight Terminals 1 - Red Jumper 4 - 45° Faston Terminals 6T, 6AL 6ALN, 6BTM, Only: 4 - #8 x 3/4" Screws 4 - Vibration Mounts and Hardware ... a distributor. The MSD can be used with 16 volt batteries ...Features Of The New D.U.I. Rev Limiting Module: Compatible with 4-, 6-, and 8-cylinder D.U.I. HEI distributors. High dwell four-pin Dyna module for performance. Internal for discreet rev-limiting capabilities. Easy to use dip switch settings. Able to limit the engine RPM in increments of 100, from 5,000 to 9,500 rpm.Oct 22, 2017 · The Chevy 350 Hei Distributor Wiring Diagram can be a helpful tool when it comes to troubleshooting an issue with your car. It provides information on the situation in real time. As soon as a problem occurs, this diagram can be used to help identify what may be causing it. It details the connection of each component, including voltage, ground ... Feb 28, 2023 · The Chevy 350 HEI distributor wiring diagram is a helpful resource when troubleshooting your ignition system. It shows the connections between the distributor, ignition module, pickup coil, and spark plugs. It also shows the location of the spark plug wires, which should be attached to the distributor cap. Additionally, the wiring diagram shows ... #2 · Aug 13, 2003 The wires coming from the distributor base plug into the distributor cap. A 'hot' wire from the ignition switch (when in the 'on' position) goes to the 'BAT' spade terminal in the cap. Do not use a ballast resistor or a resistor wire. You need full 12 volts to the HEI all the time.The Ford 302 Hei Distributor wiring diagram is available in PDF format, making it easy to download and reference while working on the engine. This wiring diagram shows all the necessary connections to properly install the Hei Distributor in the engine. It also contains detailed images and descriptions of each connector and the components that ...INSTALLATION INSTRUCTIONS 3 AUTOTRONIC CONTROLS CORPORATION • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344 Routing: Correct routing of the plug wires is also important to performance.Wires should be routed away from sharp edges and engine heat sources. If there are two wires that areWhen studying a spark plug wiring diagram for your Chevy 350 Hei engine, you need to understand the different components of the diagram. The most important components include: Ignition Coil: This is a type of transformer that converts low-voltage electrical current into high-voltage electrical current. Spark Plugs: These are the actual plugs ...Hi Tony, On the starter solenoid, the purple wire goes to the "S" terminal that's in closest to the engine. The fusible link goes to the large "BAT" stud along with the positive battery cable. And the yellow wire goes to the "R" terminal. The yellow wire usually isn't necessary with HEI but I think it's included in a lot of HEI harnesses ...The diagram will also help you identify any damaged or corroded wires, which can be dangerous if left unchecked. A properly functioning wiring diagram will show you which wires are in good condition and which need to be replaced. This allows you to make sure your engine is running safely and efficiently. Finally, a Chevy 350 Hei Distributor ...XDi Street HEI Distributors; XDi EZ-RUN Distributors; XDi Dual-Sync Distributors. Replacement Components; XDi Sportsman Distributors. ... Wiring Diagrams; Emissions Guide; Site Map; CUSTOMER SERVICE. Contact Us; Customer Login; Shipping Policy; Return Policy; Warranty Policy; 8649 Hack Cross RoadNOTE: ALL 3-WIRE MALLORY DISTRIBUTORS CONNECT THIS WAY. GM HeI DIStRIButoR. The 7AL-3 can be wired to the GM HEI Distributor. You must identify which module your distributor has . to determine which wiring diagram to use. Count the number of pins or terminals on the module. Figure 4 Primary Wiring to an MSD Ready-to-Run …Chevy Small Big Block Red Cap Hei Distributor Round 45 000 Volt Coil Swapmeetparts. Gm Hei Ignition Distributor Wiring Diagrams And Guide. 88 95 Chevy Gmc Pickups 1500 2500 5 0l 305 7l 350 Tbi Black Spark Plug Wire Swapmeetparts. Chevy Camaro Ca 1987 1993 Efi Tpi Tbi Distributor Black Spark Plug Wires Swapmeetparts.www.cemaz.com. Mar 20, 2010. #2. Yes the big batt cable goes to the big post on the solenoid, along with a pair of 10 gauge wires on a ring terminal. Those wires go back to the alternator and the fuse panel. Older starter solenoids also have two small terminals. The pass side small terminal is for the start wire from the key.1826 posts · Joined 2004. #2 · May 4, 2015. Hi Tony, On the starter solenoid, the purple wire goes to the "S" terminal that's in closest to the engine. The fusible link goes to the large "BAT" stud along with the positive battery cable. And the yellow wire goes to the "R" terminal. The yellow wire usually isn't necessary with HEI but I think ...The firing order on a traditional Chevy is: 1-8-4-3-6-5-7-2. If you view the top of the distributor cap, the spark ... Notes on wiring for an "HEI" distributor with the coil in the cap; ... Section 2 "Identification of HEI Ignition Systems" authored by Schurkey. Photo 3. Disassembled HEI (Not shown: roll pin for distributor gear, ...Detailed how to guide on installing an MSD 6AL with an HEI distributor.Link to MSD 6AL: http://amzn.to/2mf4uFoI got my rebate! Just took almost 3 months.Feb 23, 2022 · A single 12-volt wire is all that is required to function, and it can be easily stabbed into any distributor-fired Chevrolet engine. It’s a staple among hot rodders. GM’s HEI distributor was envisioned and ultimately built by the Delco-Remy Division of General Motors and found its way into production vehicles starting in 1974. 1306 Answers. SOURCE: 1990 chevy 350 distributor wiring diagram and firing order. The firing order is 1-8-4-3-6-5-7-2. The distributor rotates in a clockwise direction. The engine must be on the compression stroke on the #1 cylinder. Line up the timing marks. Remove the cap and the rotor should be pointing to approximately the 5 o'clock position. The Sbc Hei Distributor Wiring Diagram, tips, and freq