M54A1 Posted March 10, 2016 Share Posted March 10, 2016 I'm cleaning up the previous owner's wiring in my 71 R685. There is a switch box on the left side of the dash between the steering wheel and vent window. the switch is broke, and there is a wad of disconnected wires under the dash that look like they went to the switch. What is this switch and what does it do? Quote Link to comment Share on other sites More sharing options...
Ray V Posted March 10, 2016 Share Posted March 10, 2016 It was a courtesy switch that let you blink the headlights when another truck passed and flash your trailer lights when you were passing. Quote Link to comment Share on other sites More sharing options...
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