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No electrical

Tiny
ANDREW954
  • MEMBER
  • 2005 ISUZU NPR
  • 4 CYL
  • AUTOMATIC
  • 180,000 MILES
My vehicle was running perfectly fine went to turn the key and truck is dead. Checked the battery’s they are good. Tested all the fuses all are good. No power to the dash at all. No lights, No horn stereo etc. Checked with a voltage tester and for some reason not getting power to the starter. Not a mechanic by any means and new to the site. No mechanics will come to check it out and can’t drive it to the shop. Any suggestions would be greatly appreciated!
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Sunday, October 27th, 2019 AT 9:19 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,313 POSTS
Hello,

It sounds like the ignition switch has gone out. To be sure here is a guide to help you check for power and the ignition switch wiring so you can see how it works:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Monday, October 28th, 2019 AT 1:55 PM
Tiny
ANDREW954
  • MEMBER
  • 3 POSTS
Hey Ken thank you very much. So I did check all the connections and I have power at the Fuses but no power to the key. I ran a wire from the battery to the ignition switch and everything came on. Question is, if it is the ignition switch would it control the power to everything including lights horn and turn signals?
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Monday, October 28th, 2019 AT 2:39 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,313 POSTS
Yes it does. Do you have power at the black/red and the black/yellow wires?
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+1
Tuesday, October 29th, 2019 AT 10:25 AM
Tiny
ANDREW954
  • MEMBER
  • 3 POSTS
Got it figured out Ken thank you so much for your help. It ended up being a crack in my ground connection from the battery.
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Tuesday, October 29th, 2019 AT 10:59 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,313 POSTS
Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help.
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Wednesday, October 30th, 2019 AT 10:15 AM

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