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1993 Chevrolet Cheyenne Fuel Pump

Tiny
PRINTBOY1
  • MEMBER
  • 1993 CHEVROLET CHEYENNE
  • 5.7L
  • V8
  • RWD
  • AUTOMATIC
Replaced the Fuel Pump, Fuel Filter and relay, No fire to the fuel pump in line fuse but the fuse is good. Truck wants to start. I need to know what the ground is on out side of the fuel pump. Harness? Connector? There is a gray, Purple, and a black with a white strip what is ground? Or how do I fix this problem? Any suggestions would be great.

Thanks
Scott
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Sunday, March 29th, 2015 AT 7:17 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
The gray and black should operate the fuel pump. Gray being the power feed.

Now, you DO realize that this only powers for 2 seconds when the key is first turned on and doesn't resume until the computer sees a tach signal from the engine.
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Monday, March 30th, 2015 AT 2:50 AM

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