Question about 2003 GMC Yukon
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Posted on Jan 02, 2017
check for loose battery connection. or maybe a cable going bad. they can corrode inside and the copper wire will turn green
Posted on Mar 11, 2009
sounds like starter solenoid,try cycling the ignition on start on start repeatly but do not go back to the off position off on start will activate the fuel pump repeatly and might flood it,with a faulty solenoid you can usually cycle the ignition repeatly and it will finally engage the starter
Posted on Mar 29, 2009
SOURCE: 2003 GMC Yukon - fuel pump
Check your ECM fuse. There should be 2 fuses for your ECM. It's the ECM that controls the function of the fuel pump. Good luck friend and it's also common for the wire harness from the frame to the fuel pump to go bad due to corrosion from the bad weather we get in the winter and rainy spring and fall.
Posted on Sep 04, 2009
Yes it could. The start solenoid has a large washer that has to make contact to flow the current the starter needs. Over time it gets covered with carbon and burn marks. These will eventually get so bad that they dont conduct the current necessary to make the starter crank. Technically you can just replace the solenoid but most shops wont and will insist that it is better to replace the whole starter. In many cases the labor will be the same and slightly more perhaps to repair the solenoid then to just replace the starter.
As you can see though either will fix the problem.
Posted on Apr 21, 2010
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