T680 has two CB antenna connectors

Anyone know why I have two connectors?

I've been using the thicker cable that seems to have two seperate cables going into it hoping that it's the cable for the two antenna mounted to my sleeper.

 

My truck doesn't have mirror mounted antennas, the ones on the rear are Kenworth brand too.

I don't know if it matters but it's a 2026 with the small camera mirrors.

I might have some digging to do.

 

Little late on my reply but I finally got a chance to plug into to smaller single wire and while it gets a signal it is horrible and requires turning the filter knob almost completely to clean it up.

Reminds me of the stock window antenna in my old 23 Cascadia, horrible.

The twin connector is great though with almost zero noise so I'll continue to use that one.

Just wanted to update incase others have a similar setup on their truck.