Courtesy lamp fuse blows after about 2 days of use.


Asked by Apr 07, 2013 at 02:27 PM about the 2002 Lincoln LS V8

Question type: Maintenance & Repair

What short would cause this and what other electrical components are on the same circuit? Seems to be a slow drain causing the short.Any suggestions? I have checked to make sure all buttons are off when not in use.

3 Answers


Does it blow the fuse when the door opens or do you discover that the lights are not working? Have there been modifications made to the car that would involve someone using the interior lamp circuit for power? --- Since the fuse will last for a length of time, I would suspect some sort of additional load or maybe a pinched or damaged wire somewhere. --- Maybe you can track down that slow drain by pulling the fuse and see what doesn't work. That might be a key part to the puzzle.


It works for a few days, so the door is not the culprit. I have checked the cigarette lighters to see if there is any metal contact. I am puzzled to the slow drain. I was wondering if a ground was loose or an open wire that makes contact a few days later. What other items are on the same circuit as the courtesy lights? Everything seems to work except the interior lighting in doors and courtesy lamps after pulling fuse. Maybe there is nothing else on this circuit, other than interior lighting.

Trunk light, or dimmer for interior lights, if timer doesnt break circuit it can put a load on fuse.. 05 tenth of a draw before the draw becomes parasitic

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