Help with Center Locking Differential connector pins

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Joined
May 18, 2026
Threads
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Messages
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Location
usa
Hi all. I’m new here and recently imported a gcc spec 100 series. It’s a 2001 GX trim with center locking differentials. I tried to activate it to make sure it works. Nothing lights up on the dash.

I had a chance to get under the vehicle and noticed the connectors all unplugged, really odd right? Anyone familiar with gulf behavior and why this would be unplugged?

Anyways, I’m looking for some guidance on reconnecting this and if it still doesn’t work, what should be my next step?

I’ve attached pictures showing the wiring.

Thank you in advance

IMG_3019.webp


IMG_3018.webp


IMG_3017.webp
 
The center diff lock switch is located above the front drive shaft portion of the transfer case.
At least on my 99 LC it is.
Just changed the switch this weekend.
 
The center diff lock switch is located above the front drive shaft portion of the transfer case.
At least on my 99 LC it is.
Just changed the switch this weekend.
Thank you for the quick response. What do you think these connectors are for? I haven’t been able to find a diagram.
 
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