Check the gauge-to-dash panel circuit for a high-resistance connection.

Thanks Hotrod, that's where I was headed next. The one coil probably isn't grounded to cluster.
It got to be picking up the groung through the dash lamps when the lights are switched on.
Thanks again for your input.

JS

"I can go anywhere...for I am a Piewagoneer...To the Piewagon"

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