Question about 1999 Chevrolet Silverado 1500

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Fuse blows on contact for the fuel pump module, where do you suggest I look?

I have replaced the fuel pump module in the tank

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I just did this and the wiring diagram for the autozone fuel pump was incorrect. I had to use old pump as example. I do remember that grey went to grey but two of the wires were not correct in the directions that came with the pump.

Posted on Apr 22, 2013

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6ya6ya
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Posted on Jan 02, 2017

dennymulford
  • 1055 Answers

SOURCE: can a automatic starter cause to fuel pump fuse to blow

can you here the pump run? if so check the emc fuse and some do have a fuel pump fuse also the fuelpressure regulator could be bad!!!!

Posted on Apr 16, 2009

  • 3 Answers

SOURCE: new fuel pump replaced on 2000 chevy s-10 blazer, no fuel

BAD FUEL PUMP


Posted on Apr 19, 2009

SOURCE: ECMB fuse keeps blowing on a 88 S15 pickup. I have

Un plug the Computer to see if the fuse doesnt blow now. You may have a short in the PCM or the harness.

Posted on Aug 31, 2009

Auto Master
  • 139 Answers

SOURCE: 1999 Chevy Blazer 4x4 4door 4.3L V6 Fuel pump replacement.

Hello,
Replacing the sending unit / module is optional when its a metal top module. If it's plastic I would replace the whole thing reguardless.

I hope this helps.

Roy

Posted on Nov 05, 2009

countrybo331
  • 79 Answers

SOURCE: will not start and checked fuel pump no power to

ECM B fuse supplies a constant 12v hot at all times to the VCM/PCM and to the fuel pump relay. The fuse is blowing telling you that there is a short to ground somewhere. Try this, take the fuel pump relay out and put a new fuse in. If it doesn't blow put the relay back in and if it blows then try a new relay. The relay may be shorted to ground internaly. Other wise you'll have to trace the wires to the VCM and the pump relay to look for a chafed wire that's contacting metal. The wire coming from the ECM B fuse is orange and has a splice in it going to the pump relay and the VCM/PCM.
Hope this helps.....Andrew

Posted on Mar 28, 2010

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The fuel system is under constant pressure, even when the engine is off. This pressure must be released before servicing the fuel pump module.
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