Question about 1999 GMC Sierra

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Wiring Problem on 96 GMC Sierra

What's the wire called that goes from the back of the alternator to the battery? I need a new one - where can I find one?

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Call dealer for the alternator 2 pin connector pigtail. they will know what your talking about.

Michael
plz rate

Posted on Feb 09, 2009

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I have a 2004 gmc sierra pickup it have a new battery and a new alternator and it still won't tarn over


When the ignition is turned on do the console lights all go out?? If so it could be the positive wire that goes from the battery to the started. Could also be the relay, fuse, neutral switch (in neut and try).

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Alternator wont charge


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Alternator is not charging the battery. its a new alternator. gmc sierra 1500


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Mar 01, 2011 | GMC Sierra 1500 Cars & Trucks

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I HAVE A 91 GMC SEIRRA 1500 5.7 LEADER REPLACING THE STARTER THERE ARE TWO LARGER WIRES THAT HOOK TO THE SLINOID AND TWO SMALL WIRES I NOTICED A BLUISH GREEN WIRE JUST HANING UNDERNEATH DOES THIS ALSO HOOK...


Hi, if the extra wire goes to the alternator, then yes, it goes on the big post along with the battery wire. This is your charge wire. Please let me know if you have more questions, and thanks for using FixYa.

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I need to find a wiring diagram for a 1998 GMC Sierra, if you have one and can Email it, it would be a great help


GMC Silverado also called Sierra, Chevrolet Cheyenne and GMC Sierra Denali (only Mexico)
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- GM Full-Size Trucks 1988-1998 Repair Information (free register)

I hope helps with this. Good luck (remember rated this help).

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I just replaced the battery in my 2000 gmc seirra. The truck cranks right up and will run fine for a minute or two. Then my battery acks like it is going to die, but if I shift it into park everything goes...


Did you make she that the battery has the right cold cranking amps, or the alternator? some times on an alternator the selfegnighter might have gone bad. Also sounds like there might be a wiring or fuel injection problem. Is there a check engine light on? Start simple, put some sea foam in the gas tank (you can get sea foam at auto zone for 10.00) that might cure the rough idle.

Dec 11, 2009 | 2000 GMC New Sierra 1500

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How do you install an alternator 95 gmc sierra 1500


1] disconnect the positive battery cable. 2] remove the serpentine belt.  you need a socket wrench to remove the tension from the idler arm pulley. 3]disconnect the battery wire from the alternator, and unclip the other smaller wire from the other side of the alternator. 4] remove the bolts that hold the alternator to the engine. 5]install the new one in the reverse order hope this helps

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1983 gmc sierra wiring diagram


he can buy the haynes repair manule at autozone it has the diagram in it near the back cost $15.00  plus helpful for later problems

May 15, 2009 | 1999 GMC Sierra

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