How to Splice in 3-Wire Pigtail to a 5-Wire Setup

Updated 10/29/2025 | Published 03/24/2025

Question:

your 426 connector is 3 wire mine is 5 wire on a 3 prong plug, 2 brown, 2 white 1 yellow on both lights, I also have a side marker light on the fenders brown and white wires, how do i splice in your connector?

asked by: Edward L

Expert Reply:

Hey Edward, all you need to do to use the 3-Wire Pigtail for Peterson Trailer Lights # 431-491 with your 5-wire light is to identify the hot, neutral and ground and splice them accordingly to the new pigtail. Once those three wires are identified and spliced, the other wires can get capped and tucked away.

If there is anything else I can do for you, please feel free to drop a comment and let me know!

expert reply by: Bryce D

Lazer S.

10/27/2025

Hey Edward, how did things go after you spliced the 3-wire pigtail into your 5-wire light setup? Knowing how it turned out could help others working through the same wiring mix.