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Forum: C3 Electrical, Body and Interior

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Ground for radio

Posted: 3/4/08 6:52pmMessage 1 of 6
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Downingtown, PA - USA
Joined: 10/22/2005
Posts: 22
Vette(s): 1970 Roadster 350/350 1987 convertible
Hi, I installed a Custom AutoSound radio in my 75.  I can't seem to find where I can hook-up the ground from the radio.  Does anyone have any ideas?  Thanks!
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Ground for radio

Posted: 3/4/08 8:18pmMessage 2 of 6
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
You should be able to run the ground wire from the radio to the metal "U" shaped brace that runs under the radio at the front. This brace also helps hold the center console in that area.
You could also run a wire all the way back to the battery if you wanted to...but that's a pain.
hth

                                                    Look here for braceAdams' Apple2008-03-04 20:35:30

Joel Adams
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Ground for radio

Posted: 3/5/08 5:35amMessage 3 of 6
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Victor, NY - USA
Joined: 7/12/2004
Posts: 6842
Vette(s): 2004 Commemorative Edition Coupe, Auto w/HUD. 13K miles in 2015. Sold 1982 Red Coupe
Thanks for reminding that I don't want to mess with my radio.
 
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Ground for radio

Posted: 3/5/08 5:43amMessage 4 of 6
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Downingtown, PA - USA
Joined: 10/22/2005
Posts: 22
Vette(s): 1970 Roadster 350/350 1987 convertible
Excellent!  Thanks.  I will give this a shot.
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Ground for radio

Posted: 3/5/08 6:53amMessage 5 of 6
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Horse Cave, KY - USA
Joined: 10/22/2007
Posts: 488
Vette(s): 1968 convertible; 1980 L-82
The black on the original radio connector on the harness is a system ground.  Yellow is power and the gray is illumination.
 
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Ground for radio

Posted: 3/11/08 1:40pmMessage 6 of 6
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Waterford, MI - USA
Joined: 9/13/2002
Posts: 1795
Vette(s): 1973 Red coupe
The PO put in an aftermarket radio and didn't hook up a ground. The bracket behind the radio did not ground back to the battery. My gages did not work correctly until I ran a new wire that I connected to the black wire in the old plug and connected it to the gage cluster and the new radio. Redwingvette2008-03-11 13:41:27

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73 coupe L48, Flat-top pistons, Performer RPM Heads, Crane Cam and roller rockers, Holley 650 vac sec. Performer intake,
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