I have an 05 GMC sierra 2500 HD and when I put it in 4x4 my light comes on to let me know its engaged but when I put any kind of load other then just driving the light turns off n its like I'm in 2x4

I have an 05 GMC sierra 2500 HD and when I put it in 4x4 my light comes on to let me know its engaged but when I put any kind of load other then just driving the light turns off n its like I'm in 2x4 2 Answers

I HAVE A 2000 GMC 2500 HD THE BATTERY LIGHT COMES ON AND THE TRUCK DIES. IT WILL HOW EVER START RIGHT BACK UP . IT HAS A 6.O IN IT 1 Answer

I HAVE A 2000 GMC WITH A 6.0 IN IT. THE BATTERY LIGHT COMES ON IN THE INFORMATION CENTER IN THE DASH , THE MOTOR DIES IT JUST QUITS NO STUMBLE NOTHING JUST DIES. HOW EVER YOU CAN RESTART THE MOTOR ...

I have a 2003 GMC Sierra 2500hd. My fuel pump will not turn on, I have replaced it, tested it and the pump works. I have power to the harness and the fuses and relays are good. Pump will not turn on. 2 Answers

I checked the grounds and voltage they both seem good. I also swapped relays and they are good. I'm stumped.

1994 gmc 2500 stalls 1 Answer

My truck begins to stall after approximately 20 miles, just stalls while driving. As I roll, I can put it neutral turn the key off and back on starting it right back up again and carry on by puttin...

my fourwheel drive just went out.......... i think i know whats wrong but maybeyou guys can help 2 Answers

i hear a popping noise which souds like a u joint popping but can be felt under the passenger front floor board....... a soung of ginding gears when taking off in 4 wheel is the closest i can describe...