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Travisjdesaulniers

Strange vp44 wiring issues

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Hello everyone.. I'm lost and hope someone has experienced this before!!

 

Bought a rollover truck and came with half ton body. Swapped body and pcm. Original chassis and engine wiring.. Knew vp44 was shitty before swap.. Tried to start it anyway.. No dice.. So a known good vp was installed.   Truck still wouldnt start.. Shows batt voltage at the plug with it plugged in and cranking or not... Cut wires off plug, hot wired truck 6/7 pins while plug still connected.. No start.. Unplug the connector and hotwire truck fires right up..   Seems like something is keeping the truck off in the computer.. Shut off wire blue with red already cut off too... Help!!!! 

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Get out the multimeter and start tracing wires.   You will find the wiring diagram s in the electrical section of the 2nd gen articles here on the site.

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