Color code wiring digram

1999 GMC SIERRA
778,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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JOSHUA 101
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  • 7 POSTS
In need a color code wiring diagram for transmission and transfer case for a 1999 GMC Serria 5.3 motor 4L60e transmission what color wires go to what sensors on the outside of transmission and transfer case please in laymen terms.
Jun 16, 2017 at 11:59 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,709 POSTS
Hello,

I have found these guides and diagrams for you to help you get the problem fixed.

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

and

https://www.2carpros.com/articles/how-to-check-wiring

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken

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Jun 16, 2017 at 2:45 PM
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