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Old 22-05-2024, 05:30   #1
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Changing Jabsco freshwater Pump - Wiring question

I have been having problems with my Jabsco fresh water pump (31620-0092) which was part of a complete accumulator tank setup (52520-1000). I have had an issue with the pump running continuously, (the pressure continues to build and the switch does not shut the pump off. I replaced the pressure switch, however there was no change.

The existing setup includes a changover relay (12V, 30A) to which the pressure switch is wired, the positive and negative of the pump is wired and the power from the breaker is wired. There is a neutral (grey) wire coming from the breaker wire bundle and an orange wire to the relay.

The replacement pump (Jabsco Q401J-115S-3A) does not have the same wiring as the pump it replaces.

Can I wire the replacement pump directly to the breaker wire bundle, bypassing the relay? What purpose does the orange (neutral?) wire play in my new setup?

Thanks in advance for your help.
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