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Topic: Unknown Switch

in Forum: C3 General Discussion


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Unknown Switch (1/5)
 11/22/21 9:48am
Steve Haynes
Former Member

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Bridgeport, WV, WV - USA

Vette(s):
1974 "T" Top Orange


Joined: 10/8/2021
Posts: 1

I have a 1974 corvette "T" Top that has a black toggle switch on the drivers side {just beside the throttle, gas peddle}.  It appears to be a factory installed switch. There is also a wire inside the battery compartment that is not attached to the battery but has a treminal connector on it.  I thought it would be wise to check with you all before I do a 'smoke test'  Any thoughts or ideas are appreciated.  Thank you , Steve

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Re: Unknown Switch (2/5)
 11/22/21 1:58pm
F4GaryGold Member
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Grapevine, TX - USA

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


Joined: 8/26/2006
Posts: 1406

Gonna have post a pic.  I don't think it is a factory switch.  Maybe for an aftermarket power antenna?

Should be a pull down switch to pop up the headlights. 

Rear window defogger switch?



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Re: Unknown Switch (3/5)
 11/22/21 2:21pm
VETTENUTLifetime Member
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Vette(s):
1974 Stingray and 2004 Six-speed Convertible


Joined: 1/27/2003
Posts: 62

Agree that a photo would help. If it is built into the right side kick panel of the driver's side footwell and looks like a small version of a household electric paddle switch and is the same color as the kick panel it is most likely the rear defroster switch. Unless it's disconnected or the switch or blower motor is burned out, you should hear the fan kick on just behind the drivers door on the "C pillar" when you switch it. Unfortunately I don't have an explanation for the spare wire in the battery compartment.

Good luck!

Re: Unknown Switch (4/5)
 11/22/21 3:48pm
F4GaryGold Member
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Grapevine, TX - USA

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


Joined: 8/26/2006
Posts: 1406

Next question is do you have a rear window defroster?



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Re: Unknown Switch (5/5)
 11/22/21 10:14pm
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: 20126

It is for the rear window defogger. Silly place to put it, but that's where it is...

They used two different types of switches, early, and late.

 



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