First verify the solenoid 'clunks' shut when you put the use/store switch in 'use'.
One way to check is measure the DX voltage across the main solenoid terminals--the big lugs that carry the power when it is closed (activated). If it is truly making contact there will be ZERO volts across it and everything should be running on your 12 volt
circuits. More than zero means the solenoid did not close. Something in between 12 and zero means the contacts are toasted and you need a new one.
If it does not 'clunk' that may mean the problem is elsewhere in the use/store circuit or there is no 12 volt
power to the use/store switch.
I'm assuming your batteries are charged and properly connected...
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