Need help with wiring of third brake light

[smlobx]

I have an Alu-Cab canopy topper. When the guys installed it and wired the third brake light on top of the canopy I thought they had wired it correctly but they didn’t..

The third brake light ALSO comes on when I turn on the right directional. I got a warning a couple of days ago and wanted to see if someone here ( @ShadowsPapa) could help me diagnose the misfiring…

I’m assuming that the green wire is the ground but which wire should the tech have wired the other wire too?
Any help would be appreciated…

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[Free2roam]

https://www.jeepgladiatorforum.com/forum/threads/ovrlnd-camper-roll-call.66940/post-1143366
https://www.jeepgladiatorforum.com/forum/threads/ovrlnd-camper-roll-call.66940/post-1142955
Check out this one I did works perfectly. Hope that helps