Question about 1999 Mercury Mystique

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99 mercury mystide had rear running light broken

I have a 99 mercury mystique and the rear passenger side running light is broken, it is just one bulb controlling running , brake and blinker light, the blinker and brake is working, but not the running light. i tried replacing the bulb and wiring directly there. Could this be a fuse problem? does anyone had a diagram of the fusebox? i bought this car without a manual.

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If the driver's side tail light is working, it's not a fuse. Use a test light to check for power at the bulb holder. One terminal will be for tail light, the other for brake/turn light. If the is constant power for tail light, replace bulb. If no power, trace wiring from bulb holder to driver's side junction. Probable broken wire between the two tail lights.

Posted on May 27, 2009

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