Make sure you buy an Intellitec model, not the one that Newmar uses. The latching relay just connects the ground to the water pump when a water pump switch is turned on. If you want a back up, wire a another ground wire to the wire coming off of the water pump. Put a heavy alligator clip on one side and leave it wrapped up. If your latching device quits, just connect the alligator clip to a ground, like the door striker. The pump will be on all the time, but will only run when there is a demand.
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Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
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