1989 Gmc S15 Gm 25 Lengine There Power Fuel Pump Had Changed Relay Earlierhad

1989 GMC S15
185 MILES
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JIMMIER
  • MEMBER
  • 1 POST
In my 1989 gmc S15 2.5 l.engine there is no power to my fuel pump. I had changed the fuel relay earlier, had a spark, then a fuse went, replaced.fuel pump won't run at all fuses are good except the three amp fuse [crank] has no power both sides of fuse in fuse box.
Dec 12, 2011 at 9:40 PM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,110 POSTS
If I understood the question correctly, there is a short in the fuel pump power supply circuit. Find and fix the short, then replace the fuse, and probably the relay.
Dec 12, 2011 at 9:46 PM
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