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Hi, my name is Mike,
First, you are getting the bilge pump mixed up with the A/C cooling pump. The A/C cooling pump is controlled by the circuit board in the A/C unit when to start and stop.
This is most likely just a programming issue and not the pump it's self. If you have the operators manual for the A/C system, look under the programming guide section and it will explain how to program the cooling pump to cycle with the compressor or to run continuously..... yours is probably set to run continuously.
IF you do not have the operators manual for the unit, you can post the make and model of the unit and I can find the manual for you.
This should take care of your issue.... I hope this helps, let me know what happens and if you need further assistance.
Hi, were you able to program your A/C unit.... did you get pump to stop?