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1981 GMC C2500 High Sierra 7.4L Cuts out, Stall
Posted to GM Driveability on 11/4/2015 17 Replies

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The problem with this vehicle is repeated control module failure. We have installed new; Cap, Rotor , ignition control module, Coil, Spark plugs. Vehicle is on it's 4th control module in 6 months. The primary waveform pattern doesn't l...

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car Vehicle Data

1981 GMC C2500 High Sierra

VIN 2GTGC24W0B
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCarburetion / 4BBL
EmissionsFED
SymptomsCuts Out, Stall
OccursWhile Driving
Message Closed

car Vehicle Data

1981 GMC C2500 High Sierra

VIN 2GTGC24W0B
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryCarburetion / 4BBL
EmissionsFED
SymptomsCuts Out, Stall
OccursWhile Driving