Fix Bad Boat and Utility Trailer Wiring

Be safe. Diagnose and fix bad trailer lights

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • 4-in-1 screwdriver
  • Nut driver

You'll also need a tow vehicle tester and possibly a continuity tester and jumper wire.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Electrical contact cleaner
  • Sandpaper, 220-grit
  • Replacement light bulb
  • Wiring kit

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