I'm going to troubleshoot my ac in the D1 with dual ac. The rear ac kicks on when the button is pressed as it should. The front ac button won't illuminate, and the ac won't turn on when depressed. If I jump the compressor the clutch engages. Fuse looks ok. Is it safe to assume the switch is faulty? Any tips before I dig into the dash.

 

Yup, clean the switch.