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Topic: #12 Black wire with a red tracer

in Forum: C3 Electrical


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#12 Black wire with a red tracer (1/5)
 4/20/23 10:43am
Bubbity
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Waterford, MI - USA

Vette(s):
1971 Convertible small block


Joined: 3/21/2023
Posts: 1

Hi everyone, I'm Bob and I'm new to this forum. 

71 base convertible without A/C 

My issue is a #12 black wire with a red tracer on my 71 Convertible. It appears to come from the back side of the fuse block. It has no connector on it. The previous owner had done a LOT of Jankey stuff to the wiring on this car so I am pretty sure its something he added somewhere along the way but before I remove it permenently I thought it wise to ask around.

Thanks in advance for any help in this one. 

 

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Re: #12 Black wire with a red tracer (2/5)
 4/20/23 12:10pm
F4GaryGold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1399

Adam's Apple probably has a wiring diagram pdf for your year car.



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Re: #12 Black wire with a red tracer (3/5)
 4/20/23 9:24pm
73shark
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Overland Park, KS - USA

Vette(s):
1973 Orange Metallic Coupe (orig owner), L82, 4 spd (WR), PS, (A/C & PW (I installed from wrecked 73)), leather, AM/FM Stereo, ran with '65 FI unit earlier & will again some day.


Joined: 7/9/2003
Posts: 862

Welcome to the group. A couple of options for the wiring diagram are the factory service manual which has one and one or more of the aftermarket Corvette suppliers offers one. I don't remember which one though.



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1973 L-82 4 spd

Re: #12 Black wire with a red tracer (4/5)
 4/20/23 9:36pm
F4GaryGold Member
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Grapevine, TX - USA

Vette(s):
1972 LT-1 convertible with factory air.


Joined: 8/26/2006
Posts: 1399

I did look on my '72 wiring diagram and I did not see a black w/red coming off the fuse block, or anywhere else for that matter.

Doesn't mean it's not supposed to be there.  Not sure why someone would use a black with red stripe wire to add something to the car.  Usually just use a solid color wire.

Good luck.



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Re: #12 Black wire with a red tracer (5/5)
 4/20/23 10:00pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

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


Joined: 11/8/2003
Posts: 20122

Test the wire to see if it is powered, either with the key off, or key on. Since it has no connector, I'd have to agree it is something someone added to the wiring for something, possibly a stereo, or alarm....who the heck knows? I can say with almost 100% certainty it is NOT factory. If it is hot at any time, cut it short, and tape the end up really well, then forget about it.



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Joel Adams
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