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Topic: Power Antenna

in Forum: C3 Electrical


Power Antenna

Posted: 11/5/05 6:23pm Message 1 of 8
Former Member
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Canada
Joined: 5/21/2005
Posts: 50
Vette(s): 1980 Red T-Top with 42000 miles. No modifications and will probably stay that way.

Hello. . .

The power antenna on my 80 hasn't ever worked since I bought the car this spring. . .obviously not a high priority item!!! However, I would like some ideas on the problem and the cure. One wire is cut going to the antenna (someone's idea of a quick/inexpensive fix) and with the radio on and reattaching the two ends the antenna motor is working but nothing is happening. Suggestions??? Thankx!!

Doug French




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Power Antenna

Posted: 11/5/05 7:10pm Message 2 of 8
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Syracuse, NY - USA
Joined: 8/1/2003
Posts: 693
Vette(s): ...
You may need  new motor and probably wiring. I'd go for the whole thing since someone has already messed with it.





Power Antenna

Posted: 11/5/05 7:33pm Message 3 of 8
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Hobe Sound, FL - USA
Joined: 11/19/2003
Posts: 354
Vette(s): 1962 - 1963 - 1965 - 1980 1986 Roadster 1979 - L-82 - 1989 Roadster 1990 ZR-1.

Follow the wires up to the relay under the center console.  You should have a green, white & black wire from the unit to plug and up to relay. See where the wires take you from relay forward.   I think there is an orange wire coming off the relay to under the dash, and may be power.

It has been a while since I had my head in these antennas.    Check your ground from the bottom of the antenna unit, make sure it is clean, rust cleaned up. 

Boatman




Power Antenna

Posted: 11/6/05 5:40pm Message 4 of 8
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Former Member
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ORLANDO, FL - USA
Joined: 12/11/2002
Posts: 459
Vette(s): 1980 L82 Dark Metallic Green Coupe, Gymkhana Suspension, AM/FM/CB, GM ZZ383....nice....
If your motor comes on when you connect the wires, you probably have a break in the mast assembly, this is the typical failure of these antennas. Most of the big part suppliers have a kit to fix the mast. I think it is a plastic part that just breaks over time. FLA VETTE38663.7794097222


 
1980 L82 (5069 made), Dark Green Metalic (844 made)
Gymkhana Suspension, AM/FM/CB, Sporting a ZZ383......... 

Power Antenna

Posted: 11/7/05 1:14pm Message 5 of 8
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Joined: 7/24/2003
Posts: 2150
Vette(s): 1982 Collector Edition #3413
My clock works and shows the time but when I turn the knob to turn the radio on.  The whole unit like short curcuits out.  The clock doesn't work nor the radio/antenna goes on/up.   In about 10 minutes or if I turn the vette off and on.  The clock is back on/working but the radio/antannes again does not want to work.  Anyone have suggestions on this....  ????  


Power Antenna

Posted: 11/26/05 8:13am Message 6 of 8
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Holland, OH - USA
Joined: 11/29/2004
Posts: 217
Vette(s): 1978 Silver Anniversary Edition

  The fuse that controls your antenna also controls your clock and interior light. If there is a load on the antenna, it will efect your clock. Get under the left rear fender and have someone activate the antenna, listen for the motor to run. If it sound like it's straining or under load, then you have a problem in the antenna. I would check the ground on the antenna first. This has always been a problem area. What I did was to remove the ground conection and clean it. I also added a secondary wire to ground from the antenna. I used a small amount of dielectric grease on the contact points where the wires connected and spray painted over that. It helps to keep those areas out of the eliments a little better. Good luck.

Jim  78SEvette




Power Antenna

Posted: 11/26/05 10:37am Message 7 of 8
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Joined: 7/24/2003
Posts: 2150
Vette(s): 1982 Collector Edition #3413
[QUOTE=78SEvette]

  The fuse that controls your antenna also controls your clock and interior light. If there is a load on the antenna, it will efect your clock. Get under the left rear fender and have someone activate the antenna, listen for the motor to run. If it sound like it's straining or under load, then you have a problem in the antenna. I would check the ground on the antenna first. This has always been a problem area. What I did was to remove the ground conection and clean it. I also added a secondary wire to ground from the antenna. I used a small amount of dielectric grease on the contact points where the wires connected and spray painted over that. It helps to keep those areas out of the eliments a little better. Good luck.

Jim  78SEvette

[/QUOTE]

Thanks Jim.   I'll look into this.   I know my ground is ok and will clean it more better.   Now to find the fuse for the radio/clock/interior...     I hate work....

I hope it's just the fuse and not the motor.  Then if it is the motor, I need to find an original radio/cassette/cb antenna for a 1982. 

Anyone know where I can find one?? 

Iron8238682.4430671296


Power Antenna

Posted: 11/27/05 1:03am Message 8 of 8

in Forum: C3 Electrical


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