Instrument Panel, Gauges and Warning Indicators: Description and Operation

TAILLIGHT RELAY (FOR USA)
1-2: Closed with Light SW at Tail or Head position

TAILLIGHT RELAY (FOR CANADA)
1-2: Closed with Light Control SW at Tail or Head position
Closed with Engine Running and Parking Brake Pedal Released (Parking Brake SW OFF)

C13 LIGHT CONTROL SW [COMB. SW]
7-16: Closed with Light Control SW at Tail or Head position