New purchase and headlight don't switch on
1985 Mercedes 300 cd turbo

head and fog lights do not turn on

have replaced all fuses, checked ground on passenger headlight corner

passing light lever on turn signal will make headlights work therefor its not the bulbs

rear defrost out

cruise control out

tachometer works, speedometer works, turn signals work , rear lights work, hazard lights work.

no loose wires apparent

AC not working, coolant topped off, replace blower moto which was out, monovalve was installed by previous owner, new blower blows but no AC

help please

Probably headlight switch