Quote:
Originally Posted by Desert1957
So back to your question, You want to know if the relay wire from the firewall , goes to the switching valve and then to the pump?
I will do the research today , might not post until wed PM...
Desert
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Yes, that's pretty much it. My truck is an 85, with the harness and everything TBI related from an 87 donor truck. But I'm installing a 5.3L/4L60E this winter, and so far that's really the only wiring question that is still not fully verified.