Topic: Power Window Help!
in Forum: C3 Electrical
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Okay folks...I need your HELP!
Long story short, my passenger side power window doesn't work. Here's what I've done to this point...
1) Replaced switch (didn't help)
2) Replaced wiring harness that connects to underside of switch (didn't help)
3) Purchased and hooked up new window motor (didn't help)
I'm soooo frustrated! What should I do (or check) next?
Thanks in advance!
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Former Member
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Frederick, MD - USA
Joined: 9/8/2003
Posts: 3398
Vette(s): 1969 convertible L71 427/435 4-speed black interior
You need to get a test light and check the connections at the motor and see if it's even getting current when the switch is activated. If it's not, check the connections going in and out of the console switch. If the switch is getting and sending power, you know the problem is in the wiring somewhere in between.
If the switch isn't getting power, then you know you have a wiring problem between the switch and its power source. If the switch is getting power but not sending it, you have a bad switch.
You probably have a ground problem...maybe pinched where the wiring goes between the door jamb and the door itself.
If the switch isn't getting power, then you know you have a wiring problem between the switch and its power source. If the switch is getting power but not sending it, you have a bad switch.
You probably have a ground problem...maybe pinched where the wiring goes between the door jamb and the door itself.
I agree with Gunslinger about the grounding I had same problem but it wasn't the wires. It was the bolts that hold the window motor to the door. The motor has to be gounded to the door. This is also how I check to see if the new motor and regulator worked after putting back together. I plugged the electircal connectors together. Then touched the motor to the door (CLEAN AREA) hit the switch on console and it worked. Kind of crazy way to do it but worked just watch your fingers
. I then bolted motor to door and made sure there was no paint or dirt around where they made contact.
sgm2004 2007-08-30 12:14:35

Guy
AKA sgm2004
Hey Gunslinger & SGM,
Wow...how can I ever thank you? Your info about it having to be grounded sure did the trick. As soon as I held it against a clean grounded area, she worked like a charm! I've just put the motor back in and the window works perfectly!
I can't thank you enough!
Not sure where you're from...but I owe you dinner and several cold ones sometime!
Thanks again!
JSGarner
Former Member
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Frederick, MD - USA
Joined: 9/8/2003
Posts: 3398
Vette(s): 1969 convertible L71 427/435 4-speed black interior
If you feel so compelled to do something for us...I'll just take the money!
Just knowing you got your problem solved is thanks enough. Everyone here speaks as much or more from experience than real smarts. The number one electrical issue with Vettes is ground problems, so anytime we hear of an electrical problem, we always say check your grounds first!
Experience is what you get when you don't get what you want. There's a lot of experience here!

Just knowing you got your problem solved is thanks enough. Everyone here speaks as much or more from experience than real smarts. The number one electrical issue with Vettes is ground problems, so anytime we hear of an electrical problem, we always say check your grounds first!
Experience is what you get when you don't get what you want. There's a lot of experience here!
JSGarner, I agree with Gunslinger as always. Just knowing your problem is behind ya. I'm in Falls Church, VA. ever up my way let me know always got time to talk Vett's. Take care
Guy
AKA/sgm2004
in Forum: C3 Electrical
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