o/d disable switch


New Member
i have a 2001 gmc duramax/allison trans 1000,can i install a o/d disable switch my self, i have been a mechanic forever

Grandview Trailer Sa

Senior Member
o/d disable switch

I know of someone who owns a 2002 and GM sent his dealership a switch for his truck. I would guess, wildly, that if you could get hold of the switch, a capable mechanic, could wire it in.