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Old 04-26-2017, 04:11 AM   #1
Rockyrob
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Join Date: Dec 2016
Location: Brisbane Australia
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Wiper motor replacement

I have swapped out an old wiper motor that had a wiper pump as well for a new wiper motor only now i cant get it to run at all ,it has power to 2 terminals of the three and an independant earth also switching the switch makes no difference to power at the terminals is the fact i havent got the pump plug in the circuit now causing an issue do you think pic attached of old motor with pump new motor has 3 lugs the same as this with the rh one and the middle one getting power i think or do i have a switch issue when testing switch is not in dash just loose is this a ground issue thanks in advance rob
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Old 04-26-2017, 11:27 AM   #2
davepl
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Location: Redmond, WA
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Re: Wiper motor replacement

Wiper motors are switched ground. They have POWER at all times and the switch provides the ground path. Could that explain what you experienced?
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Old 04-26-2017, 10:30 PM   #3
Rockyrob
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Re: Wiper motor replacement

Thank you I was testing with the switch not grounded , I have sorted it now

Rob
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