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1991 Pontiac Grand Am, GEN (Alternator) Waveform
Posted to the Waveform Library on 12/4/2002

Bad diode(s)shown. Note scope setting is 200mVAC/div and 500uS/div.

 

car Vehicle Data

1991 Pontiac Grand Am LE 2.5L

Engine2.5 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryFuel Injection
SubsystemBATT/Charging/Starting
Component
ConditionKnown Bad

car Vehicle Data

1991 Pontiac Grand Am LE 2.5L

Engine2.5 L / 4 cyl / GAS
Trans5-speed StandardTransaxle
DeliveryFuel Injection
SubsystemBATT/Charging/Starting
Component
ConditionKnown Bad