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1988 Chevrolet C1500 Cheyenne, Ignition - Primary Waveform
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.
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| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Good |
Vehicle Data
1988 Chevrolet C1500 Cheyenne 5.7L
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Good |