AUXILIARY PUMP RUN SWITCH DIAGNOSTICS

THE PUMP DOES NOT RUN WHILE PUSHING THE PUMP RUN SWITCH

IMPORTANT:
PUMP RUN SWITCH ONLY WORKS IN ONE DIRECTION

Without pushing the pump run switch, check for voltage between terminal #1 of the master relay and the ground stud on the side of the pump. There should be a minimum of 12 volts present.

Note: With 10 volts, the pump should run but with the pump not running,
there should be about 12.5 volts on terminal 1.

12 volts or more is present on
terminal #1 of the master relay
There is less than 12 volts present on
terminal # 1 of the master relay

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