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1999 Chevrolet K2500, ECM/Inputs/Outputs waveform
red- fuel solenoid (+) signal from pump module. yellow- fuel solenoid current from pump module pattern. blue- closure signal to PCM. green- solenoid 'on' signal from the PCM to the pump module.
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| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 5-speed StandardTransmission |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
Vehicle Data
1999 Chevrolet K2500 6.5L
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 5-speed StandardTransmission |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
Video