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Old Aug 23, 2021 | 08:48 PM
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Default Unknown wires



what are these on the C3 1980 next to the shifter
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Old Aug 23, 2021 | 11:07 PM
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A schematic might help you figure out those wires
https://www.corvetteforum.com/forums...ispreloading=1
M
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Old Aug 24, 2021 | 12:35 AM
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It looks like someone has disabled your anti-theft relay.

More wiring diagrams are here:
http://wordpress.keystonestatecorvet...m/?page_id=118
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Old Aug 24, 2021 | 07:14 AM
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Anti theft relay wires cut? It can be unplugged there. Seems like Bubba was at work.

I would like to know what the green wire is for. It's not plugged into anything on my '80 either.
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Old Aug 24, 2021 | 09:38 AM
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I tried to trace it on the diagrams, couldn’t find it tho
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Old Aug 24, 2021 | 09:46 AM
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LT Green is frequently reverse light circuit, is you car a standard or automatic?
M
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Old Aug 24, 2021 | 09:48 AM
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It is automatic
where should it be connected to
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Old Aug 24, 2021 | 09:50 AM
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And as bikespace and stingr say, the lt blue and dk blue with white stripe are for the anti theft relay which is what they went to with the orange-blk black and yellow wires there
M
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Old Aug 24, 2021 | 09:59 AM
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Originally Posted by Zuhair
It is automatic
where should it be connected to
Sorry, No idea (mines a lot older) Do you reverse lights work?
Normally (not looking at a schematic) lt-green is the headlight (nothing in the console for that) reverse light (automatic shifter would have a switch) and I think later on they used it for the locking converter circuits (can't see that in the console either but who knows) and then they sometimes used them for part of the a/c but that would be with a much larger connector i think. Same with a radio circuit
Remember there are some options that were wired but not there, CB radio? or something
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Old Aug 24, 2021 | 10:20 AM
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Loose green wire is not the reverse light. That feature is on the shifter assembly. It has 2 pigtails, one for neutral safety and one for the backup lights. Green wire is something else.
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Old Aug 24, 2021 | 10:35 AM
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Originally Posted by stingr69
Loose green wire is not the reverse light. That feature is on the shifter assembly. It has 2 pigtails, one for neutral safety and one for the backup lights. Green wire is something else.
That would make sense
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Old Aug 24, 2021 | 10:57 AM
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I’ll share a picture of the under dash shortly, it might give some hints. I was successful on tracing the light green wire from the diagram and found out that it goes to multiple connections like
- pressure cycle SW
- backup lights SW
- converter lock vacuum SW
and the headlights (high beam never worked when I got the car)
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Old Aug 24, 2021 | 03:35 PM
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Originally Posted by Zuhair
I’ll share a picture of the under dash shortly, it might give some hints. I was successful on tracing the light green wire from the diagram and found out that it goes to multiple connections like
- pressure cycle SW
- backup lights SW
- converter lock vacuum SW
and the headlights (high beam never worked when I got the car)
so, This is the mess which I need to sort out, I think most of it was caused by the radio installer. Just a thought




Below the shifter

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Old Aug 24, 2021 | 03:58 PM
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Old Aug 24, 2021 | 07:39 PM
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Originally Posted by Mooser

M
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a couple hours of tracing and re-tracing to find out these wires are radio and speakers wires… will remove them all and clear the area for a better view.
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Old Aug 24, 2021 | 07:48 PM
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What do those two relays go to in your first image in Post 13? Those are not stock.
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Old Aug 25, 2021 | 11:09 AM
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Originally Posted by Bikespace
What do those two relays go to in your first image in Post 13? Those are not stock.
I have no idea, I’m yet to trace it to the rear compartment
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Old Aug 25, 2021 | 08:24 PM
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First pic is the choke heater relay
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Old Aug 25, 2021 | 09:52 PM
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Originally Posted by '75
First pic is the choke heater relay
The choke heater relay is IN the first image, but it's the green relay with the intact wires. Let's call that item #3.


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Old Aug 26, 2021 | 07:11 AM
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Originally Posted by Bikespace
What do those two relays go to in your first image in Post 13? Those are not stock.
these 2 relays were connected to the power lock on the driver side through the door, the left side didn’t have any relays. Previously the power locks were not working anyway, I removed these relays and reconnected the 2 wires to their original matched color wires and will change the damaged power lock, will see what happens. Also the ground on the passenger side was very bad.
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