Digging into the mirror assembly with non working glass, heater and power sliding. Mirror test good. Next up, the power switch. Extending motor polarity is as follow: Black wire neg, black with red stripe pos will extend. reverse polarity to retract.
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https://www.youtube.com/watch?v=6lBvY_8vFXE
Looking at the state of the timing belt in the highest mileage 4.2 in north america (possibly the world)
Song: Markvard - Losing my mind (Vlog No Copyright Music)
Music provided by Vlog No Copyright Music.
Video Link: https://youtu.be/TasKpfDowMo
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https://www.youtube.com/watch?v=ZiB-iYVrJoA