So I Have a 2000 Dodge Ram 3500 with a 5 speed manual, and about 2 weeks ago, everything in my doors stopped working. I have no power mirrors, mirror heaters, audio for the speakers, windows, or power locks. I installed a used (new to me) door wiring harness as my old one was corroded. All connections were cleaned and everything is hooked up correctly. Am I missing something?

 

Did you check the interior wiring and fuses?

 

fuses are good. I’m Currently rewiring the inter male plugs for the door. Could it be a possibly bad ground? If so, where is the ground located?

 

I tried that once with the window/mirror harness in my 96, the 97 harness, which should have been the same, simply didn't work.... No idea why.

The part of the harness that goes thru the flexible tube to the body, is notorious for wires breaking.......

 

the new harness is from a 2000 truck, same as mine. Got the new harness hooked up, and repined the male connectors to the door on the inside of the cab. Still nothing. I don’t know where to go from here...

 

See if you have power on the Tan and Red wire on the driver side door