STALLING

1994 GMC Truck

Tiny

bcam

January, 22, 2010 AT 6:56 AM

Electrical problem
1994 GMC Truck V8 Four Wheel Drive Automatic 185000 miles

truck runs fine until you put on brake or turn on head lights then it stalls.

FOUND 24448 RELATED QUESTIONS

Cj Stalling When Idling

33 ANSWERS
50 IMAGES

Stalling Out

43 ANSWERS
52 IMAGES

1 Answer

Tiny

mickey-d

February, 23, 2010 AT 11:56 AM

It sounds like your idle speed while in gear is too low. You may have an idle solenoid not working, or it might be adjusted incorrectly. When you turn an accessory on you load the alternator, thus slowing the engine RPM enough to cause it to stall. Raise the Idle speed.
Mickey-d

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