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1995 Chevy S-10 no fuel

Tiny
NASFN3
  • MEMBER
  • 1995 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 225,000 MILES
Ok ii have a 95 s10 and I have replaced the fuel pump and relay I want to start and no go I tested the pump with a battery and I know it pumps and the truck runs when gas is puit in the tbi so I know that the spark is good I was going to try and bypass the relay but im not to sure witch pin on the relay is the hot and witch is the feed to the pumpalso it there a fues in line between the circute fuse and the relay some where I should be looking to find and check and is there any thing else I should be looking to check to see if it is goodor bad? Please help
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Monday, February 8th, 2010 AT 9:49 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, what I looked at was s10 vinW. Check the ecm/ bat fuse-- 20 amp. Use a testlite on the circuit. There is also an oil pressure switch in the fuel pump circuit, parallel to the relay. Once you crank it enough to bring up oil pressure and that switch closes, the pump should run, even without the relay. Diagram below.


https://www.2carpros.com/forum/automotive_pictures/170934_s10_wiring_1.jpg

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Monday, February 8th, 2010 AT 10:17 AM

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