1999 Chevy Blazer no power to fuel pump

1999 CHEVROLET BLAZER
150,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DWEIZEL130
  • MEMBER
  • 2 POSTS
i have no power to the fuel pump i replaced my relay ,and the oil presure switch i have power at the relay and i have power to the gauge side of the connector the fuses are good i have power to the fuelpump side for about 2 seconds after i turn the key off but not when i turn it on i dont have any power at the connector replaced the pump already also i was told the the ignition switch wires could be bad but can prove that because this all started after the truck died and i hit the tank and then i got fuel pressure and then drove it home
Dec 9, 2008 at 2:08 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
The fuel pump should come On for 2secs before the relay de-energizes-. You menitioned fuse is good and relay has power-you need to check the computer control of the relay/12 volt relay drive


https://images.2carpros.com/forum/automotive_pictures/12900_oil_sending_unit_and_fuel_pump_circuit_89.gif

Dec 9, 2008 at 2:42 PM
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