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Door sill ground strap

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Old Jan 21, 2020 | 03:34 PM
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Default Door sill ground strap

Where the heck is this strap?! I looked under the car and in the car w all the carpet out and I still can’t match up the pic from the AIM! Can someone please tell me the location of this thing?! Thanks!
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Old Jan 21, 2020 | 03:57 PM
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Model year? Post the AIM page.
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Old Jan 21, 2020 | 05:43 PM
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It’s a 68 convertible
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Old Jan 21, 2020 | 06:03 PM
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Under the car Drivers side #1 mount/may be hidden by the splash shield. Also it may not be there if by chance it was removed prior to you and if so replace it.
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Old Jan 21, 2020 | 07:09 PM
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I found the remnants of mine when I replaced the body mounts. The screw and eyelet were still there but the ground strap was missing. Good to replace it as it helps to ground the frame to the birdcage.
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Old Jan 21, 2020 | 07:46 PM
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So it’s accessed from under the car on the body mount?
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Old Jan 21, 2020 | 08:56 PM
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More or less like this


M
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Old Jan 21, 2020 | 09:04 PM
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Originally Posted by Mooser
More or less like this


M
Do you have a source for that strap Mooser ?
Thanks.
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Old Jan 21, 2020 | 09:14 PM
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Seems to me I bought a "kit" that had that one, the one for the antenna plate, I think it was just those two but I've added some others along the way that GM probably didn't plan on.
Would have been either Corvette central or Corvette america, I would imagine Ernie would have access to them as well
M
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Old Jan 21, 2020 | 09:16 PM
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Is that right behind the gills? I bought all the straps in a kit.
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Old Jan 21, 2020 | 09:16 PM
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Caskiguy, Looks like your 70 had more (4)
https://www.corvettecentral.com/c3-6...s%26count%3d18

CC Part # 303155
M

Last edited by Mooser; Jan 21, 2020 at 09:19 PM.
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Old Jan 21, 2020 | 09:18 PM
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Originally Posted by 89LT1Camaro
Is that right behind the gills? I bought all the straps in a kit.
For mine (72) that you can see the egg-crates up higher in that pic, about the same location as your gills would be. That pointed bolt is the body mount bolt
M

Last edited by Mooser; Jan 21, 2020 at 09:54 PM.
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Old Jan 21, 2020 | 11:18 PM
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Originally Posted by Mooser
Caskiguy, Looks like your 70 had more (4)
https://www.corvettecentral.com/c3-6...s%26count%3d18

CC Part # 303155
M
Correct Mooser, thank you.
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Old Jan 22, 2020 | 05:10 PM
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Thank you!
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Old Jan 22, 2020 | 08:42 PM
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Originally Posted by Mooser
For mine (72) that you can see the egg-crates up higher in that pic, about the same location as your gills would be. That pointed bolt is the body mount bolt
M
Yes, thanks Mooser!
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Old Jan 22, 2020 | 09:38 PM
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Originally Posted by kansas123
Yes, thanks Mooser!
Don't forget to remove anything that may not allow you to get a good solid ground.
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Old Jan 23, 2020 | 07:06 AM
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I try not to rely on the star washer to bite through the paints we use for chassis work so I've found a dremel tool does a nice job of cleaning the areas bare in somewhat controlled manner.






Then I put some anti-ox paste, install the clips, bolts, whatever, wipe clean and top with a little dielectric paste / liquid electric tape / chassis paint or whatever
Damn tupperware cars you can't be too careful with grounds
M
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