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1992 Nissan Truck blowing fuel pump fuses

Tiny
IAMJUJUBEE
  • MEMBER
  • 1992 NISSAN TRUCK
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 251,000 MILES
Hi,
I just got a 1992 Nissan pickup from my step dad. It runs great up until now. It stopped while driving home. I checked fuses and found the fuel pump fuse blown, I changed it and drove around a day. Now it blows them one right after the other and the truck wan't stay running longer than a couple seconds. I am thinking there must be a wire short somewhere but can you help with suggestions? Thanks, I'm a pretty independent girl but not when it comes to mechanical things.
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Monday, November 10th, 2008 AT 12:41 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The black and white wire that powers the fuel pump relay is shorted to ground or the white and blue wire that goes to the fuel pump


https://www.2carpros.com/forum/automotive_pictures/12900_fp_6.jpg

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Monday, November 10th, 2008 AT 4:33 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there, you will have to check the pump power wire for a short to earth, disconnect it from the pump and pull the fuse and test it for earthing with a multi meter, if OK, the pump may be failing and binding up causing the fuse to blow.

Mark (mhpautos)
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Monday, November 10th, 2008 AT 4:35 AM

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