Gauges acting strange

[HB Vic]

A "yes" to everything that you asked. So, should I start at the gauge itself, or that junction in the back of the boat where all the wires run to? I notice that a couple wires are on the same pole. Would this affect it? Thanks.

If you have a DVM or meter I would put it on the VM terminals and see what it reads.

On the temp gauge hard to say. Maybe a bad ground.


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