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Replacing antenna - What is this panel for?

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Old Jan 13, 2018 | 12:24 PM
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Default Replacing antenna - What is this panel for?

Greetings. I have a cheap, non-automatic, non-fully retractable, non-flush mount antenna on my '65 convertible. So, I purchased one of these from Eckler's Corvette to fix those problems.

I was on the creeper this morning removing the old antenna, and the previous owner did a total hack job and just placed the panel in this picture kind of behind the tail lights - unsecured. I pulled it out (it is attached by a metal band, so it is still in the tail section) and snapped this picture. It is still totally loose and unsecured. Any ideas on what this panel is used for and how it attaches to the body/frame and where? Thanks.


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Old Jan 13, 2018 | 12:29 PM
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ground plate and ground strap
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Old Jan 13, 2018 | 12:40 PM
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Can you keep us updated on your installation? My power antenna has quit on me and I was looking at the one you bought as a replacement.


It appears to be a Metra 44-pw22

and I'm wondering how the original cable interfaces with the new antenna, do you need an adapter or extension? Thanks!

Last edited by karkrafter; Jan 13, 2018 at 01:04 PM.
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Old Jan 13, 2018 | 12:43 PM
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Originally Posted by karkrafter
Can you keep us updated on your installation? My power antenna has quit on me and I was looking at the one you bought as a replacement.
a 67/68 antenna would be the easiest and cheapest fix. but if your power antenna is real I would send it off to be restored
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Old Jan 13, 2018 | 12:59 PM
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Originally Posted by Nowhere Man
ground plate and ground strap
Boom! Thanks! That gave me what I need for a quick google. I'll have to figure out how this mounts. Here's a picture for future reference if anyone else finds this post:


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Old Jan 13, 2018 | 01:01 PM
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Originally Posted by karkrafter
Can you keep us updated on your installation? My power antenna has quit on me and I was looking at the one you bought as a replacement.
Will do. Might be a few weeks - taking my time over the winter on this and other projects on the car. This is definitely more involved than what I had hoped, but you'll probably be in better shape because the one I'm replacing isn't power.
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Old Jan 13, 2018 | 01:08 PM
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Originally Posted by ike2010
Will do. Might be a few weeks - taking my time over the winter on this and other projects on the car. This is definitely more involved than what I had hoped, but you'll probably be in better shape because the one I'm replacing isn't power.

Thanks, I edited my original post to ask if it's indeed a Metra 44-pw22 and to ask about the cable

Nowhere...Do you what they get to repair an original antenna? Crazy man... CRAZY...and I don't like that it's not flush, why would they ever design something like that. Like a window that only goes halfway down!
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Old Jan 13, 2018 | 01:17 PM
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Originally Posted by karkrafter
...and I don't like that it's not flush, why would they ever design something like that. Like a window that only goes halfway down!
Probably why C2's only got this power antenna for 65 & 66, since it was problematic with the water running down into the winder housing and once the drain hole got plugged, it corroded up pretty fast and eventually seized. For all of us who are still using the original power antenna's, its absolutely critical to check the drain hole periodically to ensure its open. FWIW. Bill
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Old Jan 13, 2018 | 02:49 PM
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I used that aftermarket power antenna on my 61. It took a combo of original mounting pieces and some from the antenna package to fit the compound slopes on the ducktail rear end. Yes, it required an extension cable.
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Old Jan 13, 2018 | 03:38 PM
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Originally Posted by Frankie the Fink
I used that aftermarket power antenna on my 61. It took a combo of original mounting pieces and some from the antenna package to fit the compound slopes on the ducktail rear end. Yes, it required an extension cable.
Great, how long of a cable did you need?
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Old Jan 13, 2018 | 04:33 PM
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I don’t recall unfortunately. Longer than I needed tho as I had some of it curled up in the top storage well
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Old Jan 13, 2018 | 07:04 PM
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When I did my power antenna a year ago or so, I found this schematic to be very helpful



Ps wanted to let you know that an original antenna wasn't supposed to fully retract, just so you know.


Last edited by Twan Sloot; Jan 13, 2018 at 07:15 PM.
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Old Jan 14, 2018 | 09:43 AM
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Originally Posted by karkrafter
Thanks, I edited my original post to ask if it's indeed a Metra 44-pw22 and to ask about the cable

Nowhere...Do you what they get to repair an original antenna? Crazy man... CRAZY...and I don't like that it's not flush, why would they ever design something like that. Like a window that only goes halfway down!
50+ year old cars have design features that differ from modern design features. Probably why many/most younger people have zero interest in 60s era cars, if any cars. I love my 65, and covet that wonderful power antenna unit, even though it sticks up when down. Never gave that design "flaw" a thought. Greg Thompson in KC area restores them for around $450 last I heard. As original. And sells them outright. Email me for contact info.
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Old Jan 14, 2018 | 12:50 PM
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The aftermarket power antenna is pretty sweet if you use a car cover or raise a convertible on a lift...operation is at the end of this video...when the radio is turned off the antenna lowers -- flush:

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Old Jan 14, 2018 | 08:19 PM
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The ground plate/plane is there to amplify the antenna strength. The ground plane helps to make the antenna appear taller to the radio waves. If you don't have it installed your signal strength will be less.

HITCH
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Old Jan 14, 2018 | 08:40 PM
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Originally Posted by karkrafter
Thanks, I edited my original post to ask if it's indeed a Metra 44-pw22 and to ask about the cable

Nowhere...Do you what they get to repair an original antenna? Crazy man... CRAZY...and I don't like that it's not flush, why would they ever design something like that. Like a window that only goes halfway down!

Don't remember if it's a Metra or a Harada.

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Old Jan 14, 2018 | 10:51 PM
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It's true, the GM OEM antenna sticks about 10" offa' the body when "fully retracted" and it costs a fortune to have restored. But, if you got one, and it works ... It is just so cool.

Ray
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Old Jan 15, 2018 | 07:07 AM
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Originally Posted by Hitch
The ground plate/plane is there to amplify the antenna strength. The ground plane helps to make the antenna appear taller to the radio waves. If you don't have it installed your signal strength will be less.

HITCH
Exactly right - folks need to understand that on cars without metal bodies special attention has to be paid to all aspects of radio operation and electrical conductivity
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