My 85 Z28 and EPROM Project This project will detail the steps, parts, hints, techniques for upgrading a 1985 GM TPI Engine Control Module (ECM) to a later model, having several ...Chevy Engine Control Module Wiring Harness - Find the chevy engine wiring harness using our Salvage Parts Locator. Our Locator service will help you get a quality engine wiring harness. Your part request will be emailed instantly to a nationwide network of Junkyards.. A precisely calibrated engine control module is essential to making your fuel-injected LS engine perform in your older vehicle. Chevrolet Performance designs easy plug-and-play harnesses to get the job done, and in most applications no need for additional tuning adjustments.. Nov 18, 2018 · Gm ignition control module wiring diagram along with ignition switch wiring diagram chevy 283 along with 1989 1990 1991 buick reatta keyless as well as fuel pump module 2009 chevy silverado wiring harness furthermore saturn 3 6 engine diagram along with gm instrument panel connector moreover chevrolet 3 4 v6 engine diagram as well as 2006 chevy.
I am adding the general wiring diagram for your grandson's vehicle to the control module. You will see that it is extremely complex and that doesn't even show everywhere you will need to follow the harness around engine. Frankly it is not a DIY job and would take even an experienced mechanic a good couple of days to get it all right.. Order Engine Control Module Wiring Harness for your 2002 Chevrolet Tahoe and pick it up in store—make your purchase, find a store near you, and get directions. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+.. Corrosion and physical damage are the most common reasons to replace an engine control module wiring harness. Exposure to moisture slowly corrodes the wire's harness and causes the ECM to shut down the vehicle's engine..