Question about 2001 GMC Yukon XL
You have a dead short somewhere. Star by checking wires for signs of burning, soot melted insulation, paying close attention to red or pink wires. Start down by the starter and work your way back to the fuse box. Also check around all connections, especially any that go to the body or frame from the engine. It can be a tedious job and you may have to unwrap wire harness's to find it. If you've done any electrical work under the dash, like new stereo, check that as well.
These problems are usually under the hood or anywhere wires pass through the firewall. It should be a fairly thick,#10, wire. Most of your wireing is #14-16. Hope this helps.
Posted on Sep 04, 2009
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Posted on Jan 02, 2017
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