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REF LO
i have a waveform picture of an ignition coil. i was wondering , on the connector it has REF LO and it goes to the pcm, can anyone tell me what this is for? [2007 Chevrolet Express 2500 , ECM/Inputs/Outputs Waveform] Login to read more.
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| Engine | 6.0 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2007 Chevrolet Express 2500 6.0L
| Engine | 6.0 L |
| Trans | 4-speed Automatic (Electronic) |
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