Question about 1997 GMC Sierra
First would check the wiring harness to the fuel pump for any loose or corroded connections especially the ground connection the runs to the frame. If that seems good check the the pigtail at the pump for power a good time to do this would be when it's not working so we we'll know whether or not it is losing power to before it gets to the pump.If you have a test light available check for power with that or a DVOM. Does the pump start working after you hit the bottom of the gas tank? If so may have the pump going out. let me know what you find so I can assist you more if needed.
Posted on Aug 28, 2010
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Posted on Jan 02, 2017
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