What are the Functions of the Wires of a Trailer Taillight that Has Red, White and Black Wires

Question:

I am rewiring a car trailer that the loose burnt up on. I am putting optronics tail lites in. These lights have 3bullet type connectors and the plug has a white, a black, and a red wire. Can you tell me where the wires go? I.e. is black or white ground

asked by: Mark

Expert Reply:

For trailer taillights that have the three wire colors you mentioned the white wire is the ground, the black is the taillight and the red is the turn signal/brake light.

expert reply by: Jameson C