Posted by Spence on Friday, April 08, 2005 at 7:45PM :
In Reply to: Question on Wiring Turn Signals posted by dave horvath on Friday, April 08, 2005 at 1:53PM :
Hi Dave, The turn signal lamps are dual filiment dual function units. They function as parking lights and as turn signals, each function uses a separate filiment. (See wiring diagram.) I would get a dual filiment turn signal unit, but it's your truck.