Passenger power window goes down but not up. Happens with...


Passenger power window goes down but not up. Happens with switches. Replaced motor and switch, checked fuses. Still won't go up. What ti try next? Mechanic's Assistant: Most vehicles have two fuse panels. Have you located ...

Passenger power window goes down but not up. Happens with switches. Replaced motor and switch, checked fuses. Still won't go up. What ti try next? Mechanic's Assistant: Most vehicles have two fuse panels. Have you located both? Yes Mechanic's Assistant: What is the make/model/year of your car? 2005 Pontiac Montana Mechanic's Assistant: Are you fixing your Montana yourself? What have you tried so far? Yes. New motor and switch

Automotive Expert
Good Afternoon, my name is \*\*\*\*\* \*\*\*\*\* ill be helping you, so sorry to hear about the issues here on the Pontiac. I know how frustrating it can be to deal with electrical issues especially when they affect your windows. Now just so im clear the passenger side window will not go down from the master switch or the passenger side window switch?
Automotive Expert
the reason i ask is that if we have replaced the motor and the switch then we can suspect a wiring issue. we would need to test the yellow wire at the passenger side switch for power with the key on and then the light blue wire for power when the master window switch is pressed to lower the window. if you are missing it there then you have a wiring fault most likely.

It goes down with both switches. But wont go up with either.
Automotive Expert
Okay good. test those wires that I mentioned. They are the power feeds for the up function from either switch. Let me know what we find out after they are tested. Thank you.

Which wires? Can't find that info?
Automotive Expert
yellow wire for power with the key on and light blue wire for power with the key on and the master switch putting the window up

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