1979 Power Antenna
Thread Starter
4th Gear
Joined: Nov 2006
Posts: 4
Likes: 0
1979 Power Antenna
My antenna went up yesterday when I started the car. The antenna moter keep running when I turned the radio off. Is there a relay that could be stuck, or do I need a whole new power antenna?
Last edited by Bufford; May 24, 2010 at 12:25 PM.
Race Director
Joined: Oct 2000
Posts: 17,102
Likes: 7
From: Fair Oaks, OK
There is a nylon cable inside your power antenna that, if original, very well might be broken. I'm not saying that's definitely the problem because its been a while since I had issues with mine, but there's still a pretty good chance its the problem.
You can buy an antenna mast cable repair kit from Zip or Eckler's, IIRC. I bought this kit, it came with a new nylon cable and a new metal ring to re-assemble the case with. When the parts inside my antenna case went flying across the garage, I called The Last Detail and ordered a repro antenna assembly. Problem solved.
You can buy an antenna mast cable repair kit from Zip or Eckler's, IIRC. I bought this kit, it came with a new nylon cable and a new metal ring to re-assemble the case with. When the parts inside my antenna case went flying across the garage, I called The Last Detail and ordered a repro antenna assembly. Problem solved.
Safety Car
Joined: Jul 2005
Posts: 3,697
Likes: 833
From: WI
Last I checked, most of the catalog outfits did not have the mast repair kit anymore. The Last Detail (find them on Ebay) did have them. Note that other GM cars used the same antenna. My 93 DeVille has the same mast nylon cord. I bought a few from Zip and Ecklers over the years. Used the Last Detail last time.
Mark G
Mark G
Thread Starter
4th Gear
Joined: Nov 2006
Posts: 4
Likes: 0
There is a nylon cable inside your power antenna that, if original, very well might be broken. I'm not saying that's definitely the problem because its been a while since I had issues with mine, but there's still a pretty good chance its the problem.
You can buy an antenna mast cable repair kit from Zip or Eckler's, IIRC. I bought this kit, it came with a new nylon cable and a new metal ring to re-assemble the case with. When the parts inside my antenna case went flying across the garage, I called The Last Detail and ordered a repro antenna assembly. Problem solved.
You can buy an antenna mast cable repair kit from Zip or Eckler's, IIRC. I bought this kit, it came with a new nylon cable and a new metal ring to re-assemble the case with. When the parts inside my antenna case went flying across the garage, I called The Last Detail and ordered a repro antenna assembly. Problem solved.
I put on a new Power Antenna and have the same problem. Do you know where the ( Power Antenna Relay ) is located. This would be the one from the relay to the antenna? I will replace that relay next, after I find out it's location. Again I have a 1979 Vette.
Drifting
Joined: Aug 2005
Posts: 1,430
Likes: 8
From: Hamilton NJ
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Safety Car
Joined: Jun 2004
Posts: 4,374
Likes: 224
From: Beecher Illinois
Why not 'bench test' the antenna(in the car)?
Pull the white/green/gray connector out of the relay, and with a couple of wires directly to the battery try raising and lowering it.
There are limit switches inside the antenna that SHOULD turn it off when it reaches it's up and down limits.
To raise it...
green +
Gray -
To lower...
White +
Green -
If it continues to run in either direction it's the antenna.
Pull the white/green/gray connector out of the relay, and with a couple of wires directly to the battery try raising and lowering it.
There are limit switches inside the antenna that SHOULD turn it off when it reaches it's up and down limits.
To raise it...
green +
Gray -
To lower...
White +
Green -
If it continues to run in either direction it's the antenna.
Safety Car
Joined: Jun 2004
Posts: 4,374
Likes: 224
From: Beecher Illinois
For 78/e79 cut the hook off.
Sometimes the nylon/steel joint needs to be filed for smooth operation.
http://www.antennamastsrus.com/GM/Ch...01979-1982.htm
Last edited by KapsSA; Jun 8, 2010 at 02:32 PM.
