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1988 Chevrolet C1500 Cheyenne, Ignition - Primary Waveform
Posted to the Waveform Library on 2/27/2003

This image is of the coil current after module replacement,the coil current went up from 4 amps to 6 amps where it is supposed to be limited at and coil ramp rise time increased about 1 ms. The amp clamp is set at 100mv= 1amp.

 

car Vehicle Data

1988 Chevrolet C1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Good

car Vehicle Data

1988 Chevrolet C1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Good