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Old 03-23-2026, 12:23 PM   #1
bereic
 
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MRC wire damaged - which wire in which PIN?

Hello,

During the brake service the service guy damaged the MRC wiring on the front left side.
Then he took the connector away and took out the remaining cable without taking a photo in which PIN it was.

In the first picture you will see the wires coming from the shock absorber where you see 2 different colors of the wirings.
The second one shows the schematic plan which indicates NCA (i guess NoColorAssigned ? ).

Is someone able to tell us which wire comes in which PIN-Slot of the connector?
2018 Camaro Convertible.

Thank you
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Old 03-23-2026, 01:27 PM   #2
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That will function the same in either direction. So who is in terminal 1 or 2 doesn't matter
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Old 03-23-2026, 01:28 PM   #3
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But. One of them might still have a terminal in it. So that one is tan.

Also most connectors will have a numbering system molded in them. If not on the one your looking at. Probably on the one it connects to.
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Last edited by bishopts; 03-23-2026 at 01:54 PM.
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Old 03-23-2026, 03:02 PM   #4
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Quote:
Originally Posted by bishopts View Post
That will function the same in either direction. So who is in terminal 1 or 2 doesn't matter
Are you sure?

Pin 1: LF Strut Motor Increase Damp Ctrl
Pin 2: LF Strut Motor Decrease Damp Ctrl


Quote:
Originally Posted by bishopts View Post
But. One of them might still have a terminal in it. So that one is tan.

Also most connectors will have a numbering system molded in them. If not on the one your looking at. Probably on the one it connects to.
Unfortunately he took the terminal out. :-(
Otherwise it would be easy.
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Old 03-23-2026, 03:46 PM   #5
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Quote:
Originally Posted by bereic View Post
Are you sure?

Pin 1: LF Strut Motor Increase Damp Ctrl
Pin 2: LF Strut Motor Decrease Damp Ctrl




Unfortunately he took the terminal out. :-(
Otherwise it would be easy.
Yes. It will work either direction.

Looks like identifix diagrams
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Old 03-23-2026, 03:58 PM   #6
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The symbol is a generic electro mechanical solenoid, which is an electromagnet that moves a valve. Apply power to one and ground to the other and it will activate. Flip them and try and it will do the same thing.
With the base attached to wires that are NCA usually means its not relevant which direction its hooked up also. If it were important then it would have specific colors all the way to the device.

Last edited by bishopts; 03-28-2026 at 09:06 AM.
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Old 03-28-2026, 04:44 AM   #7
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Thank you.
According all ressources in the net and AI you were right. Thank you.
Nevertheless, i've checked it on a friends car which is the same year.. and it was

White wire in Pin1
Black wire in Pin2
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Old 03-28-2026, 09:09 AM   #8
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Quote:
Originally Posted by bereic View Post
Thank you.
According all ressources in the net and AI you were right. Thank you.
Nevertheless, i've checked it on a friends car which is the same year.. and it was

White wire in Pin1
Black wire in Pin2
Cool.
Is it all working now?
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