08 Suburban LTZ. The electric adjustment works on the passenger side but doesn't on the driver side. The electric folding works on the driver side but not on the passenger side. Both mirrors adjust down (as set in the DIC) when backing. So, I'm wondering if the problem MOST likely is in the switch panel on the driver door, in the wiring or ? Individual fuses for each operation, if there are such, worn out motors in the mirrors themselves. Since the both adjust down when backing, I'm thinking the problem with the driver door not adjusting otherwise may be switching. And I wonder if the passenger mirror not folding may be a motor that only does that. Anyone know how they work and where the most likely problem is? TIA