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Old 05-19-2013, 12:56 AM   #3
peglegs
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Join Date: Jul 2009
Location: grants pass, oregon
Posts: 390
Re: 87 pump relay wiring

hey vette ty SO much for replying long story short i replaced the 305/tbi with a 96-2000 350 vortec crate LB. performance products intake, 600 edelbrock, pp regulator w/return line. no pressure at the reg. it would run for 3 mins or so then quit. the pump primed but no pressure. i finally ran a 18 ga. from the fuse block to the tan/wh wire from the ecm and dang it worked. lol.
the only computer related wires hooked up are the gas pump relay, gas pump prime and the oil sender so far so good, thanks again
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1990 chevy 4x4 with a 1940 IHC body
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