TX 70 GMC BB 3/4 Ton For Parts

[gmc 2500 4x4]

Originally Posted by lynnfield

GMC25004X4, there is no aux battery harness from what I can see. There is two heavy gauge red wires that run along the core support to the battery (passenger side) and a relay, then connects to the rear camper wiring. I believe is part of that rear harness. Please let me know if I am wrong about this. Greg

not sure greg, mine did have camper harness and i have the drivers side bat, box. i'll pass, i really dont need 2 batteries and will prob just use the 1 battery. maybe its all one piece harness. thanx greg for your time