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2003 Hummer H2, ECM/Inputs/Outputs Waveform
At about the 1:00 mark, I plug in the Class 2 circuit going to the Radio. Look what happens to the signal
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| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Bad |
Vehicle Data
2003 Hummer H2 6.0L
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | |
| Condition | Known Bad |