my back windshield wiper turns on once i turn OFF the car. on 2002 Honda Passport

i can only stop it by getting out of the car and then opening the back window. this started after i tried to use the back windshield wiper for the first time ever.

car has 40k miles --

Asked by for the 2002 Honda Passport
2 answers
sounds like a grounding issue to me. you may have a loose grd wire or it may be dirty and not making good connection
Possible failed 'alarm and relay control module'.right side behind glove box. TEST input and output signals.Service manual best , for reference.-------P.S. , I know it says "alarm and relay" control module -nothing about wipers , but it does contain the wiper controls.