trailer wiring

I bought a used 04.5 without a bed, and the main bed harness for the taillights and trailer is pretty damaged, does anyone have a part number for that harness, or maybe a diagram for it so i can fix it? Its a 3500 with all of the bed and tailgate lights and I believe a 7 pin plug.

I have an 04 Dodge Ram 2500 5.9L. I’m having issues with trailer lights. The left side of the trailer works perfect (Yellow wire from tipm). Light Green wire (which is for right side) is only getting .25 volts coming out of tipm. Upon further searching, I found that fuses 32-34 which is: 32...

I have a 2000, short bed that I wanted to install a new 7 way female receiver on. After I remove the old one I realized that it has 8 wires running to the old OEM receiver. What is the 8th wire for? New after market 7 way only has 7 wire spots, as expected, which confuses me. Also, when I...