1995 GMC Yukon No power to intrument panel wont start

Tiny
AMEZ
  • MEMBER
  • 1995 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
My 95 Gmc Yukon Wont start when I turn the key to the on position I have power throughout the car exept the instrument panel and it will not start the car. I can jump the starter to get the engine to crank I just havr no power when I turn the key to start. Any help is appreciated thank you in advance.
Monday, November 1st, 2010 AT 2:46 PM

7 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
I'd have to check feed to and from the ignition switch. Battery has a full charge, all battery connections coming and going, clean and tight? The diagram is part of starter circuit, the purple wire, lower, goes to starter solenoid S terminal.


https://www.2carpros.com/forum/automotive_pictures/170934_yukon_starter_circuit_1_1.jpg

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Monday, November 1st, 2010 AT 2:50 PM
Tiny
AMEZ
  • MEMBER
  • 4 POSTS
I can get it to crank by jumping the wires at the ignition switch
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Monday, November 1st, 2010 AT 2:56 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Ok, maybe an issue with ignition switch? There is usually more than one voltage feed to ignition switch, I can't see what your doing from here.
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Monday, November 1st, 2010 AT 2:59 PM
Tiny
AMEZ
  • MEMBER
  • 4 POSTS
I will try to get more info for you. Thank you for the reply
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Monday, November 1st, 2010 AT 3:27 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
The red wires on top of switch should be feed to the switch. The wires off bottom of switch are feed from the switch, goes hot with key on, or crank, could be both.


https://www.2carpros.com/forum/automotive_pictures/170934_yukon_ignition_switch_1.jpg

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Monday, November 1st, 2010 AT 4:25 PM
Tiny
AMEZ
  • MEMBER
  • 4 POSTS
Thank you for the info. One of the incoming feeds was dead and I realized its was just a blown fuse. At first glance I could not tell the fuse was blown until I tested it. Problem solved thank you for the quick reply.
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Monday, November 1st, 2010 AT 10:18 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Glad you got it going your way. Usually the fuses have a bare spot over each leg. If you use a voltage tester and both legs are hot, you know the fuse is good and there is voltage on the circuit.
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Tuesday, November 2nd, 2010 AT 2:56 PM

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