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2000 GMC Top Kick, ECM/Inputs/Outputs Waveform
The tach in the truck is not working.I was probing wires with my scope behind the dash and I found this signal.I don't know if it is a tach signal or not.
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| Engine | 3126 / 6 cyl |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Bad |
References
Vehicle Data
2000 Other HD Top Kick 3126CID
| Engine | 3126 / 6 cyl |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Bad |
Video