72 LT1 turn signals don't work
Thread Starter
Racer
Joined: Dec 2010
Posts: 251
Likes: 36
From: Jefferson Ohio
72 LT1 turn signals don't work
Just completed the restoration on my 72 Corvette LT1. Installed new wiring, etc. but the turn signals don't work. The 4 way flashers, brake lights, and the running lights do work.
I am getting a faint light when actuating either the LH or RH lever.
Anyone have this problem before? What might the cause be?
You comments will be appreciated.
Jim
I am getting a faint light when actuating either the LH or RH lever.
Anyone have this problem before? What might the cause be?
You comments will be appreciated.
Jim
Thread Starter
Racer
Joined: Dec 2010
Posts: 251
Likes: 36
From: Jefferson Ohio
Intermediate
Joined: Jun 2007
Posts: 40
Likes: 0
I'll chime in since I'm having the exact same issue on my '69.
Just to provide some backround. I've had the car 8 years with no electrical issues (texas car so very little corrosion) and the turn signals worked a couple of weeks ago. Car has not been restored and most parts are original.
My thinking, and I hope I'm wrong, the fact that the flashers work should eliminate body wiring issues, bad grounds, and a bad flasher since the flashers share the same components as the turn signals. All thats left then is the switch and wiring in the column.
Anyone have any other ideas? Because I'm not really excited about taking the column apart.
Any thoughts on how to troubleshoot with a meter?
Also, after a related parts search I noted that there is a capacitor, any idea where it is? I couldn't find it on my wiring diagrams. I would think that the flashers would use the capacitor as well so I'm doubting that its the issue.
Just to provide some backround. I've had the car 8 years with no electrical issues (texas car so very little corrosion) and the turn signals worked a couple of weeks ago. Car has not been restored and most parts are original.
My thinking, and I hope I'm wrong, the fact that the flashers work should eliminate body wiring issues, bad grounds, and a bad flasher since the flashers share the same components as the turn signals. All thats left then is the switch and wiring in the column.
Anyone have any other ideas? Because I'm not really excited about taking the column apart.
Any thoughts on how to troubleshoot with a meter?
Also, after a related parts search I noted that there is a capacitor, any idea where it is? I couldn't find it on my wiring diagrams. I would think that the flashers would use the capacitor as well so I'm doubting that its the issue.
Thread Starter
Racer
Joined: Dec 2010
Posts: 251
Likes: 36
From: Jefferson Ohio
turn signals
I'll chime in since I'm having the exact same issue on my '69.
Just to provide some backround. I've had the car 8 years with no electrical issues (texas car so very little corrosion) and the turn signals worked a couple of weeks ago. Car has not been restored and most parts are original.
My thinking, and I hope I'm wrong, the fact that the flashers work should eliminate body wiring issues, bad grounds, and a bad flasher since the flashers share the same components as the turn signals. All thats left then is the switch and wiring in the column.
Anyone have any other ideas? Because I'm not really excited about taking the column apart.
Any thoughts on how to troubleshoot with a meter?
Also, after a related parts search I noted that there is a capacitor, any idea where it is? I couldn't find it on my wiring diagrams. I would think that the flashers would use the capacitor as well so I'm doubting that its the issue.
Just to provide some backround. I've had the car 8 years with no electrical issues (texas car so very little corrosion) and the turn signals worked a couple of weeks ago. Car has not been restored and most parts are original.
My thinking, and I hope I'm wrong, the fact that the flashers work should eliminate body wiring issues, bad grounds, and a bad flasher since the flashers share the same components as the turn signals. All thats left then is the switch and wiring in the column.
Anyone have any other ideas? Because I'm not really excited about taking the column apart.
Any thoughts on how to troubleshoot with a meter?
Also, after a related parts search I noted that there is a capacitor, any idea where it is? I couldn't find it on my wiring diagrams. I would think that the flashers would use the capacitor as well so I'm doubting that its the issue.
Safety Car
Joined: Mar 2007
Posts: 3,518
Likes: 37
I'll chime in since I'm having the exact same issue on my '69.
Just to provide some backround. I've had the car 8 years with no electrical issues (texas car so very little corrosion) and the turn signals worked a couple of weeks ago. Car has not been restored and most parts are original.
My thinking, and I hope I'm wrong, the fact that the flashers work should eliminate body wiring issues, bad grounds, and a bad flasher since the flashers share the same components as the turn signals. All thats left then is the switch and wiring in the column.
Anyone have any other ideas? Because I'm not really excited about taking the column apart.
Any thoughts on how to troubleshoot with a meter?
Also, after a related parts search I noted that there is a capacitor, any idea where it is? I couldn't find it on my wiring diagrams. I would think that the flashers would use the capacitor as well so I'm doubting that its the issue.
Just to provide some backround. I've had the car 8 years with no electrical issues (texas car so very little corrosion) and the turn signals worked a couple of weeks ago. Car has not been restored and most parts are original.
My thinking, and I hope I'm wrong, the fact that the flashers work should eliminate body wiring issues, bad grounds, and a bad flasher since the flashers share the same components as the turn signals. All thats left then is the switch and wiring in the column.
Anyone have any other ideas? Because I'm not really excited about taking the column apart.
Any thoughts on how to troubleshoot with a meter?
Also, after a related parts search I noted that there is a capacitor, any idea where it is? I couldn't find it on my wiring diagrams. I would think that the flashers would use the capacitor as well so I'm doubting that its the issue.
The capacitor is there on cars with a radio so the radio doesn't make a popping noise with the flashers.
Question: Would one way to localize a ground issue grounding each actual turn signal light and if that solves the problem then you know the ground problem is somewhere there?
