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2000 Oldsmobile Bravada fuel pump not kicking on

Tiny
SHANE717
  • MEMBER
  • 2000 OLDSMOBILE BRAVADA
  • V6
  • AWD
  • AUTOMATIC
  • 150,000 MILES
I have a 2000 olds bravado that the fuel pump wont turn on. I have pulled the pump out and tested it and it works. Put it back together and checked all the fuses in the truck and they are all good. So I replaced the fuel pump relay and still nothing. The fuel pump still wont come on? Any advice?
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Saturday, March 15th, 2014 AT 1:17 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
The circuit will have to be tested to determine where the current is being lost by following a wiring diagram. The first test would be to test for power arriving at the pump on the gray wire. Realize that this only powers for 2 seconds when the key is first turned on and doesn't start agin until the computer sees a tach signal.
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Saturday, March 15th, 2014 AT 2:36 AM

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