I have a 94 chevy s10 4 door blazer power windows do not work but the back rear pass side goes up and down slow there is power going to main driver door switch i tested it and also back drivers side there is also a new motor in front drivers side that still dont work so that tells me its not a motor were is the main relay on this year truck im thinkin it mite be that but not shure any help would be great thanks jason
I had the same problem - driver side fine, passenger side front not working/slow or the back seat. You need to replace the window motor on the passenger side. Yes, there are two motors. It's pretty simple if you are handy with some tools. The hardest part is getting the 4 mounts that hold the window motor to the door off. The are factory riveted to the door, so I had to grind the outsides off and tap them out. Just watch the spring lever that holds the window bar for going up and down. I didn't pay attention and it snapped back - nearly broke my thumb.
Dani-Lynn
The power window is probably bad and needs replacing. You can find a video on how to replace it. To avoid getting your finger broken by the strong spring, drill a 1/4 in. hole and temporarily insert a 1/4 in. bolt in that hole to hold the spring loaded arm from moving. Then remove that bolt when the assembly in back in place.
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