Rear window rolls down but not up

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2011-2015 Kia Optima

The completely redesigned Optima, sharing the same platform as its sibling Hyundai i40, named the Kia K5 in the South Korean and China market, made its world debut at the 2010 New York Auto Show.

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Ash wellington @ashwellington

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发帖于: 2021年10月21日

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Rear window rolls down but not up

My rear left window goes down without a problem but won't go back up. I can roll it down with both the drivers master switch and the switch on the rear left door itself but neither of them can roll ot back up.

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stressmaster @stressmaster 声誉积分: 1.2千 5 3 · Answer 1 · 2021-10-24T04:29:15-07:00

stressmaster @stressmaster

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发帖于: 2021年10月24日

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the wire going to the up part of the switch is the problem. the motor takes at least 3 wires. this way it can reverse the polarity to change direction. trace that wire and check it has power when depressed for both directions with a volt meter or 12v light pen.

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2011-2015 Kia Optima

Rear window rolls down but not up

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