How do I know if my truck has hei?
How do I know if my truck has hei?
Google HEI, look at pics, then look at yours. HEI looks much bigger since the coil is in there, making the cap way bigger. Or look for an external coil and a coil wire going to the top center of the cap.
What was the ignition module on a 1993 GMC k1500?
1993 GMC K1500, K2500, K3500 Pick Up. 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. Wiring diagram. Component pin outs.
How does a bad pick up HEI distributor work?
This system works in conjunction with the vehicle’s computer, and will announce a failure via a trouble code light on the dashboard. An HEI distributor that has a worn pick-up coil or corroded magnetic poles will produce a weak spark, with insufficient voltage to ignite the combustion gases.
What was the name of the 1993 GMC pick up?
1993 GMC C1500, C2500, C3500 Pick Up. 1993 GMC K1500, K2500, K3500 Pick Up. 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.
What does a yellow Spark on a HEI distributor mean?
A yellow or intermittent spark indicates weak HEI coil output. Examining the HEI distributor at night with the hood up can pinpoint any stray electrical arcing from the cap, wire connections, distributor cap retainer and connector terminals.
This system works in conjunction with the vehicle’s computer, and will announce a failure via a trouble code light on the dashboard. An HEI distributor that has a worn pick-up coil or corroded magnetic poles will produce a weak spark, with insufficient voltage to ignite the combustion gases.
A yellow or intermittent spark indicates weak HEI coil output. Examining the HEI distributor at night with the hood up can pinpoint any stray electrical arcing from the cap, wire connections, distributor cap retainer and connector terminals.
How does the HEI system affect fuel economy?
The HEI system controls the spark timing changes for the engine, which regulates emissions, engine performance and fuel economy. Any reduction in fuel economy can indicate the electronic spark timing (EST) in the HEI control system has failed.
What do you have to be to get a GMC Truck?
Must be a current Healthcare Professional as defined by U.S. Bureau of Labor Statistics, Firefighter, Police, EMT/Paramedic or 911 Dispatcher. First Responders and Healthcare Professionals employed by federal, state or municipal governments may be subject to restrictions that limit their ability to accept this offer.
