Head Light Main Switch - over time and too high a wattage bulb the contacts can fail here is a tested working replacement
HEADLAMP
HEADLAMP - RANGE ROVER 87-91
HEADLAMP DIP & HORN SWITCH
Heated Front Windshield Switch - Checked and Tested Take Off Unit from Donor Vehicle
Heated Rear Windshield Switch - Checked and Tested Take Off Unit from Donor Vehicle