[C2] Can anyone identify?

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Feb 18, 2026 | 03:40 PM

Captain Bud

Thread Starter

Burning Brakes

Joined: Jul 2014

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From: Knoxville, TN

2020 C1 of the Year Finalist - Unmodified

Can anyone identify?

These are located below the ignition switch. I looked at the wiring diagram but couldn't identify them.
Thanks, Bud

Feb 18, 2026 | 04:05 PM

TCracingCA

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From: California

Where do they go, and does not look stock or like stock wiring. It looks like two holes there, where something was mounted. Radar Detector, CB Radio, or something.

Feb 18, 2026 | 04:57 PM

Nowhere Man

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From: Sitting in his Nowhere land Hanover Pa

2024 C2 of the Year Finalist - Unmodified

2015 C2 of Year Finalist

looks to be the plug for the heater blower motor switch. but since it looks like you have factory AC that is not used and is to be tapped off to the main harness

Feb 18, 2026 | 05:53 PM

DZVette

Melting Slicks

Joined: Sep 2001

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From: Aggieland TX

Those look like the connectors for your heater blower switch on your 66. See pgs 9&10 of the attached PDF.
Dave Z

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Mid-Year Corvette 'Non-Cluster' Dash Connections Zuberer-Welsh 5-19-16 FINAL - online mod.pdf (2.60 MB, 121 views)

Feb 18, 2026 | 06:30 PM

c2vettehead

Racer

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From: Tacoma, WA

funny.

I had similar question too recently.

66s has full color wires here while 65s are black with color tracing.

brown wire.... maybe for a rear blower? you have a coupe?

Feb 18, 2026 | 06:50 PM

DZVette

Melting Slicks

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From: Aggieland TX

Here ya go:

Feb 18, 2026 | 06:57 PM

Limp

Drifting

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From: Florida

Quote:

Originally Posted by c2vettehead

funny.

I had similar question too recently.

66s has full color wires here while 65s are black with color tracing.

brown wire.... maybe for a rear blower? you have a coupe?

Early 65s had the color stripe, later 65s were solid color

Feb 18, 2026 | 07:13 PM

DSR

Drifting

Joined: Jun 2006

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From: Durham ON

I tried to post a '65 wiring pic but it did not work.

-Blue, Yellow, Orange plug is for Heater Switch Connection.
-single Brown plug for Heater Switch Connection or Radio Capacitor Connection on Ign. Switch, both have single Brown wire.

Last edited by DSR; Feb 18, 2026 at 07:35 PM.

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Feb 18, 2026 | 08:10 PM

Easy Rhino

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Quote:

Originally Posted by Limp

Early 65s had the color stripe, later 65s were solid color

Any idea where this separation occurred during early and late '65s?

Feb 18, 2026 | 08:46 PM

#10

Limp

Drifting

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From: Florida

Quote:

Originally Posted by Easy Rhino

Any idea where this separation occurred during early and late '65s?

No, I just know that this is how new wiring harnesses are offered... Early and late

Feb 19, 2026 | 12:52 AM

#11

c2vettehead

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From: Tacoma, WA

Quote:

Originally Posted by Easy Rhino

Any idea where this separation occurred during early and late '65s?

my car's full assembly date is 11/16/64 with the black and color tracer wires.

Feb 19, 2026 | 12:55 AM

#12

c2vettehead

Racer

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From: Tacoma, WA

Quote:

Originally Posted by DZVette

Here ya go:

those are all non AC (at least the 1965 Pic)

Feb 19, 2026 | 01:56 AM

#13

L78

Drifting

Joined: Nov 2004

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From: Folsom Ca

Quote:

Originally Posted by Nowhere Man

looks to be the plug for the heater blower motor switch. but since it looks like you have factory AC that is not used and is to be tapped off to the main harness

I think elsewhere Bud mentioned Vintage Air…

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