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Re: Easiest diagnostic yet.
Posted to Technical Discussion Forum on 10/3/2005

Thought I would add this picture of the comutator. The black spots are well seen on the scope pattern as well as the comutator.

Scoped [1997 Chevrolet Pickup K3500, FP Waveform]

Pulled out pump found this [1997 Chevrolet Pickup K2500, FP Photo]

I messed ... Login to read more.

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