hello all
where to start with this problem? if i push the wiper button nothing happens, if i put the wash button the wiper moves and then parks itself in the opposite direction with the motor (or whatever) makes this grinding sound. This will continue unless you go back and lift the wiper and help it get home.
so i figure since the wiper moves, the motor oughta be ok but something is wrong with the electrical connections. Any suggestions on how to solve?

Thanks

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1998 Discovery LSE 140 K miles