| [GMCnet] (GMCnet) Re: Macerator circuit troubleshooting [message #366420] |
Tue, 31 August 2021 22:54  |
Tom Whitton
Messages: 235
Registered: February 2004
Location: Paducah, KY
Karma:
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Senior Member |
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I need some help with a macerator problem. It's a mounted macerator with an emergency bypass valve to empty to a conventional sewer hose when necessary. When switched on, the relay chatters and the motor won't run. I removed the pump and motor, connected the leads directly to the battery and the motor/pump runs fine. The battery and circuit breaker are up front with wires running to to the relay and switch. I have a schematic that I can email to anyone willing to suggest how to find the problem. I have messed with it a long time without success. The circuit was designed by a friend of mine who was good at electronics but, unfortunately, has passed away. It all worked for years until now. Need suggestions......
Here's the circuit:
battery + to circuit breaker
circuit breaker to relay
relay to switch
switch to ground
battery - to pump
pump to relay
Thanks,
Tom Whitton
26 ft. upgraded GMC
Paducah, Ky
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