Reply To: Power seats & window option in a 12 volt Monterey
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August 26, 2021 at 3:39 pm #6497
Virgil & Sue Klein
A motor does not care which polarity it uses. Positive or negative ground is no big deal. Actually the motors will love 12 volts. What you do need to change though is the relays for the window motors to 12 volt. They make some really compact 12 volt relays that will easily fit in the space for the original 6 volt relays. If you want the windows to operate as factory (switch up, window up) you can either flip the switches over or swap the wires. This will handle the reversal of polarity. Hope this helps.