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Electric windows (1/6)
 12/19/17 8:03pm
OH6ALifetime Member
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Cadiz, KY - USA

Vette(s):
74 Convertible


Joined: 8/26/2002
Posts: 249

Windows donít go up and down. Motors are ok. Windows will operate when power and ground are applied to the motors. Relay has power at both poles, relay is grounded, switches will only connect one way, center dash console is out. Any clue where my problem is?

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Re: Electric windows (2/6)
 12/19/17 8:43pm
73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.


Joined: 7/9/2003
Posts: 541

Since I installed my own power windows, I do not know where all the factory harness connectors are. I would start at the next connector downstream from the relay and see where you're losing the power. Most likely place is between the A pillar and the door where the harness bends a lot. I had a Dodge minivan that broke the connection in that very place.

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1973 L-82 4 spd

Re: Electric windows (3/6)
 12/19/17 11:20pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 19603

Which car, Ken?

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Re: Electric windows (4/6)
 12/28/17 9:32am
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.


Joined: 5/18/2004
Posts: 6810

Could be the circuit breaker on your fuse panel if you have one. The windows suddenly stopped working on my 79 and I replaced the circuit breaker and I was back in business. I cut the old one open just to see what was in there and it was basically a pile of rust. No idea how they worked up to that point!!
Re: Electric windows (5/6)
 1/5/18 1:41pm
INDYPACER
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Joined: 10/24/2017
Posts: 1

You didn't say anything about whether the switch operates the window * If the switch doesn't work the windows, try this https://www.youtube.com/watch?v=vMPHbhhE828

Re: Electric windows (6/6)
 1/6/18 6:03pm
OH6ALifetime Member
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Cadiz, KY - USA

Vette(s):
74 Convertible


Joined: 8/26/2002
Posts: 249

It is Chuck Goddardís 74 which we rescued from a crook in Columbia, TN a year ago. It took 3 trailers to haul it away. Anyhow, the guy stole many pieces and I finally have it mostly back together. The story is very long and Chuck should tell it. It runs well, the Body is back on the frame, most of the interior is back in and now I am chasing electrical gremlinís. Windows donít go up and down, horn wire is dead, all of the proper spacers and insulators for the guages are missing and many more. Hooked up the battery gauge and it shorted so badly that it fried the auto trans cable. I am lost; serious electrical issues are beyond my expertise. Corvette fires are not good and many are electrically started. Need a C3 electrical expert.

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