79 power window diagnosis
Thread Starter
Racer
Joined: Jan 2020
Posts: 388
Likes: 117
From: Tacoma, Wa
79 power window diagnosis
My driverside window in my 79 will not raise, but went down smoothly. I installed a new switch to see if that was the problem and nothing changed.
It started a few days ago when I had to flick the switch a few times to get the window to raise, once it did, it went up smoothly at normal speed. Since then it went from occasionally needed a few inputs to not going up at all. When I flick the switch to lower the window the voltmeter drops showing its drawing juice, but when I flick the switch up there is no movement in the voltmemer.
what is the next thing to look for? I have a door regulator already that I got from a friend. Should I take the door apart or is there anything under the dash to look for?
It started a few days ago when I had to flick the switch a few times to get the window to raise, once it did, it went up smoothly at normal speed. Since then it went from occasionally needed a few inputs to not going up at all. When I flick the switch to lower the window the voltmeter drops showing its drawing juice, but when I flick the switch up there is no movement in the voltmemer.
what is the next thing to look for? I have a door regulator already that I got from a friend. Should I take the door apart or is there anything under the dash to look for?
Last edited by Cmurray79; Mar 11, 2022 at 07:45 PM.
Le Mans Master
Joined: Jun 2019
Posts: 7,658
Likes: 2,470
From: Indiana
Try tapping door or hitting motor..
here is a thread
https://www.corvetteforum.com/forums...t-up-help.html
https://www.corvetteforum.com/forums...-not-down.html
here is a thread
https://www.corvetteforum.com/forums...t-up-help.html
https://www.corvetteforum.com/forums...-not-down.html
Melting Slicks
Joined: Oct 2006
Posts: 2,417
Likes: 336
From: Texas
When the ones in my 79 started acting crazy. I had to clean the connector at the motor and take apart the console switch and clean the contacts. I heard the repos are junk. There is also a ground connector for both motors in the passenger side pillar or door I can’t remember.
it’s been a while since I repaired them. But both still work fine. May also need to clean relubricate the window slides and regulator.
it’s been a while since I repaired them. But both still work fine. May also need to clean relubricate the window slides and regulator.
Thread Starter
Racer
Joined: Jan 2020
Posts: 388
Likes: 117
From: Tacoma, Wa
Thanks for the help guys, i havnt been able to get to it until today. I unplugged the connector and gave the the metal a good scrub. Window goes up and down again. made sure the problem areas were all noted.
Now the question is, do i realign the window myself? It leaves about a qtr inch gap at the top. I have zero experience with windows, and I know Corvette of auburn would have it done within the day, especially if everything is already taken apart. So what is the shop hourly rate, and how easy is it to learn. If this doesnt get many replies i’ll post a new thread on it
Now the question is, do i realign the window myself? It leaves about a qtr inch gap at the top. I have zero experience with windows, and I know Corvette of auburn would have it done within the day, especially if everything is already taken apart. So what is the shop hourly rate, and how easy is it to learn. If this doesnt get many replies i’ll post a new thread on it
