89 Gmc Ecm Wiring Diagram - Books Of Wiring Diagram • 97 chevy silverado wiring diagram data wiring schema rh site de joueurs comGmc Ecm Wiring Diagram - ALLDATA gives you all available wiring diagram schematics, updated four times a year to meet changing factory service and repair information. We are the leading source of Professional Diagnostic and Repair Information used by over 75,000 repair professionals.. Gm Ecm Wiring Diagram tbi wiring harness conversion gearhead efi tbi wiring harness conversion first you need to go to junk yard and pull the engine efi harness or plete system if you can there will be a lot of extra things.. Dec 18, 2012 · The manual shows the sensor is part of the truck's speedometer from the looks of the diagram. I would think as long as the trans has the right cable drive gear in it for the rear gearing so the speedometer itself is close to accurate, the sensor should produce an.
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Sep 07, 2005 · I'm at least partially wrong, ECM pinout shows that white AND ppl (based on pin #'s above posted wiring diagram page) white don't receive voltage unless the engine is running. Looks to me like PPL is what should trigger the injector pulse.. Feb 03, 2008 · Last but not least, check for continuity from pin #2 on the DLC, to C4-#11 of the ECM, harness side, this is the serial data wire from the DLC to the ECM. I agree that the Crank Sensor could be a problem, But, the fuel pump needs to prime first and you should be getting Data on the DLC, even if the crank sensor is bad.. 1990 Chevrolet Pickup K1500 Wiring Diagrams. This post will about the 1990 Chevrolet Pickup K1500 Wiring Diagrams. In this 1990 Chevrolet Pickup K1500 Wiring Diagrams, you will be.
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