3156/3157 Male Adapter Wiring Harness For Headlight Tail Lamp Signal Retrofit

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SKU AA1097

This auction features one pair brand new 3157 male adapters with 3-wire extension.

It is commonly used for turn signal lights, brake lights, tail lights, daytime running lights retrofit such as:

  • Using existing harness with add-on lamps or LED (see pictures below)
  • Aftermarket headlamp or tail lamp conversion
  • LED turn signal retrofit


  • 100% Brand new, never used
  • Quantity: 1 pair (left side and right side harness)
  • Compatible with 3157 and 3156 sockets (when use it for 3156, use just black and red wire)
  • Male connector included
  • 5" long wire
  • 16 Gauge wire, high efficient copper wiring
  • Nylon plug (can withstand up to 1200 Fahrenheit)
  • Heavy duty, High efficient, Heat resistant, Never melt

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