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I am wiring a pair of 52572 taillights. There are only 3 terminals, one is ground, so I connected both turn and stop to one terminal. But when I turn on my turn signal, all four turn signals(both sides) are energized. Will this light perform all 3 functions (tail, stop, and turn) ?

Grote's Answer

This will depend on your vehicle wiring: combined or separate Stop and Turn wires.

Combined Stop and Turn Wires

If your Stop and Turn wires are combined, meaning that they travel down the same wire, then you will only need one taillight on each side.

  • Red Wire: Stop and Turn

Separate Stop and Turn Wires

If your Stop and Turn wires are separated, you will need to two taillights on each side:

  • Stop / Tail
  • Turn / Tail

If the two wires are manually combined in an attempt to mimic the combined option listed above, they will create a cross circuit and the lights will come on when they shouldn’t. Please do not attempt this! (:

Wiring Questions
Updated May 29, 2019

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