Fuel pump relay wiring

Tiny
CHEVYGUY22010
  • MEMBER
  • 1986 PONTIAC FIERO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 86,000 MILES
What is the problem if you have no power coming from the wire harness going to the fuel pump relay switch?
Friday, October 8th, 2010 AT 11:19 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Check the fuel pump fuse in the fuse box. Any applicable mil codes? Check for power at the fuel pump relay... this vehicle also has a fuel pump cut off wired through the oil pressure switch.

See the guides below on testing for power

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
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Friday, October 8th, 2010 AT 11:26 AM

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