2000 Yukon Denali Door locks

[Jenn4183]

I just got myself a 2000 yukon denali . my problem is that the power door locks wont work. i cant find a picture of a wiring harness both Drivers and passenger doors have one plug thats not plugged into anything. Also there is power going to both locks. Any help?

 

[rockola1971]

I just got myself a 2000 yukon denali . my problem is that the power door locks wont work. i cant find a picture of a wiring harness both Drivers and passenger doors have one plug thats not plugged into anything. Also there is power going to both locks. Any help?

You can get wiring diagrams off autozone.com
Sign up for free account then add a vehicle.... click on Repair Help>Vehicle Repair Guides>Wiring Diagrams

I can walk you through it all if you know how to use a voltmeter correctly.

Pics of the mysterious wiring harnesses that arent plugged into anything OR atleast the wire colors that lead to them.