When did the GM HEI ignition distributor come out?
Great Performance, Affordable Cost! 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. It should come as no surprise being one of the most popular options among modern rodders and race enthusiasts to this day.
Where can I find the Chevy S10 ignition system diagram?
You can find the ignition system circuit diagram here: 1991-1993 2.8L Chevy S10 Ignition System Circuit Diagram. If you need to test the 8 pin ignition module, the following tutorial will help: How To Test The GM Distributor Mounted Ignition Module.
Which is the heart of a HEI ignition system?
HEI ignition systems are very dependable and offer great performance on a number of applications. The heart of any ignition system is the coil, battery voltage is supplied on the positive side, while the negative side is repeatedly pulsed to ground.
Can a GMC S15 ignition control module be defective?
This means that if your 2.8L equipped S10 (GMC S15) has spark and you can see the two throttle body fuel injectors injecting fuel, then the ignition control module (ICM) is OK and not defective. What Tools Do I Need To Test The ICM?
This means that if your 2.8L equipped S10 (GMC S15) has spark and you can see the two throttle body fuel injectors injecting fuel, then the ignition control module (ICM) is OK and not defective. What Tools Do I Need To Test The ICM?
What kind of ignition system does a 1993 Chevy pick up have?
1992, 1993, 1994, 1995 Chevrolet/GMC 1500, 2500, and 3500 Pick Up and Suburban equipped with a 4.3L V6, or a 5.0L v8, or a 5.8L V8 engine. 1992, 1993, 1994, 1995 Chevrolet Astro (GMC Safari). NOTE: Testing the ignition system is a breeze.
You can find the ignition system circuit diagram here: 1991-1993 2.8L Chevy S10 Ignition System Circuit Diagram. If you need to test the 8 pin ignition module, the following tutorial will help: How To Test The GM Distributor Mounted Ignition Module.
What should the voltage be on a HEI distributor?
Disconnect the green and white wires from the module and touch the positive meter lead to the green wire and the negative lead to the white wire. The normal reading should be between 800 – 910 ohms. Testing the primary circuit of the coil. The remaining electronic part that would keep the distributor from firing is the module.