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1998 Jeep Grand Cherokee Limited, GEN (Alternator) Waveform
Posted to the Waveform Library on 1/23/2007

here is bad alternator ripple , was not present at idle with no load all the time . showed up in Pico Diagnostic data first.

 

car Vehicle Data

1998 Jeep Grand Cherokee Limited 4.0L

Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemBATT/Charging/Starting
Component
ConditionKnown Bad

car Vehicle Data

1998 Jeep Grand Cherokee Limited 4.0L

Engine4.0 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemBATT/Charging/Starting
Component
ConditionKnown Bad