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Old Oct 16, 2006 | 09:26 PM
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Default grounding strap

Under my car there is a grounding strap, just in front of the driver's side door, attached to a bolt in the frame. It came off of whatever it is supposed to be attached to. It looks like a woven mesh metal thing about 7" long. The car is a '72 coupe. Does anybody know what this is?
-thanks,
assassin
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Old Oct 16, 2006 | 11:29 PM
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Its a grounding strap, your car is about to explode...

J/K..

which end came off? it shoule attach the frame to the rocker channel.
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Old Oct 17, 2006 | 01:45 PM
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Whoa !! I posted an isue with grounding the other day.. I don't have this strap on my 71 coupe - could you please elaborate on the connection locations ?? I hate to say I don't know what the rocker channel is... OK please stop laughing
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Old Oct 17, 2006 | 03:02 PM
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The ground strap in question bolts to the #1 body mount frame boss. This is the metal part that is welded to the outside of the frame. You should see a hole in the front side that ground strap it gets fastened to with a screw. The other end goes to the rocker channel. The older C-3 cars have a clip on one end of the strap and newer C-3 have an eye hole that gets screwed to the rocker channel.

Last edited by Red 69; Oct 17, 2006 at 03:04 PM.
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Old Oct 17, 2006 | 03:15 PM
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Yup ... here is a picture of the strap that I made to replace original.
#1 frame bracket to rocker channel.



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Old Oct 17, 2006 | 04:14 PM
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Here is a picture of where it connects to the rocker channel....
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Old Oct 17, 2006 | 07:06 PM
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What need grounded on the rocker channel?
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Old Oct 17, 2006 | 09:20 PM
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Originally Posted by superdad60
What need grounded on the rocker channel?
not sure on an early model but maybe the alarm system?? horns like good grounds , also the fuse panel is right over in that area perhaps it was just an alternate gorunding location located close to the fuse panel for relays etc
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Old Oct 17, 2006 | 09:35 PM
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Old Oct 17, 2006 | 10:01 PM
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Wow thanks for all the info. My horn did stop working recently and I have a new noise in the stereo. I will reattach that now that I know where it goes. This is one very helpful community. It's like a wealth of Corvette knowledge! Thanks guys!!
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Old Oct 17, 2006 | 10:14 PM
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Actually, I believe that's a radio ground strap.

On my '69, there are 3 of them.
1 located at the left front as described,
and 2 others located at the exhaust pipes crossmember.

Part description is located in the AIM under
UPC 69, A8 (1969 AIM)
Later years should be similar ....

Last edited by FrankVincent; Oct 17, 2006 at 10:24 PM.
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Old Oct 19, 2006 | 10:54 AM
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Originally Posted by FrankVincent
Actually, I believe that's a radio ground strap.

On my '69, there are 3 of them.
1 located at the left front as described,
and 2 others located at the exhaust pipes crossmember.

Part description is located in the AIM under
UPC 69, A8 (1969 AIM)
Later years should be similar ....

I have a 69... I see the 2 you are talking about located on the exhaust pipe xmemeber.... mine are just bolted on the xmember and just hang there... what is the other end supposed to connect to and what do they do?

I could not find the on on the left front
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Old Oct 19, 2006 | 11:31 AM
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Originally Posted by genuine1980
I have a 69... I see the 2 you are talking about located on the exhaust pipe xmemeber.... mine are just bolted on the xmember and just hang there... what is the other end supposed to connect to and what do they do?

I could not find the on on the left front
From the X-member the strap is bolted on the U-clamp holding the exhaust pipe to the exhaust support bracket. The bracket comes off the trans mount.

The left front strap on a 69 is screwed to the #1 body mount frame boss and just clips on the rocker channel as pictured in the above post. Instead of screwed as pictured, it just clips on the edge. These parts are available from the advertising vendors.
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Old Oct 19, 2006 | 11:42 AM
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Originally Posted by FrankVincent
Actually, I believe that's a radio ground strap...
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Old Oct 19, 2006 | 11:51 AM
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Ok I found the left front strap and it appears to be connected ok.

So I just need to connect the other two that are hanging from the xmember to the exhaust u-bracket on their respective sides...

Perfect thanks!
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Old Oct 19, 2006 | 06:39 PM
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The rocker chanel is part of the birdcage. The ground is good for most interior guages, lights, radio, and possibly other electrical components.
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