AUXILIARY PUMP RUN SWITCH DIAGNOSTICS

10 OR MORE VOLTS IS PRESENT ON TERMINAL #1 OF THE MASTER RELAY

IMPORTANT:
PUMP RUN SWITCH ONLY WORKS IN ONE DIRECTION

IGNITION SWITCH MUST BE OFF WHEN TESTING PUMP RUN SWITCH

 

Push the pump run switch. Listen for the master or pump relay clicking.

 

One of the relays is clicking Neither relay is clicking
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