Question about 1999 Chevrolet Silverado 1500
I have replaced the fuel pump module in the tank
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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Posted on Jan 02, 2017
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
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.
Posted on Nov 05, 2009
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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