My pump only has 2 terminals one that hooks the upper stud on the solenoid and one that hooks to the lower stud on the solenoid The solenoid has a dedicated ground on the right side of the device and a hot feeds the center stud direct from the batteries via a so called circuit breaker. I’ve crawled under everything and I only have 3 frame ground wires 1 to each battery and the one to the right side of the solenoid . Thanks for suggesting it but yours must be different
Again many thanks
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