Masse - and Masse + lights

Derick Gates SM2K #400 Brava

I have been diligently checking the Masse- and + lights in the companionway. Over the past 5 years when one of the lights go on (usually the Masse - ) I go and disconnect the power lines to the forward or aft head and sure enough, the leak of current to ground stops and I replace that Jabsco pump. Recently the Masse light did not go out until I had unplugged both the heads at the same time, indicating to me that both the head pumps were leaking to ground.

It occurs to me that instead of replacing the pump, I could just install a toggle switch to the offending brown or blue wire, so that I can turn the circuit on when anyone uses the head, and turn it off in the interim. Then I could continue to use the offending pump until it dies a natural death.

Am I fooling myself or would installing that switch stop the current leakage to the Amel bonding system?

Derick Gates
SM2K #400 Brava

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