Troubleshooting trailer lights: trailer wiring woes can be fixed in a jiff using these simple techniques.(SPECIAL SECTION: TRAILER TUNE-UP GUIDE)

Trailer Boats, April, 2006 by Johnson, Rich

Trailer lights live a hard life. Between the constant vibration of road travel and regular immersion in an environment that is alien to light bulbs and wiring, it's no wonder that trailer light problems are as common as they are frustrating. But faltering lights are more than a nuisance: They are downright dangerous.

Those lights alert traffic that you are braking or changing lanes. In the dark, they also mark the left and right sides and rear extremity of the trailer. Important stuff, all. [ILLUSTRATION OMITTED] In short, you can't afford to have problems with your trailer lights. Yet everyone does eventually. Before trailering, always do a walkaround inspection to make sure the lights are working properly. Have a helper engage the headlights, turn...

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