Optronics Round Stop Turn and Tail Trailer Light Installation Video

Since LED lights do not require a lot of amperage you can go with relatively small wire. Using 16 or 18 gauge wire will be fine. Harness #A20WB uses 20 gauge wire which is on the small side but certainly not a problem at all for LED lights even…

Yes, since the Optronics light part #ST40RB uses a 2057 style bulb you would just need to source a 6 volt 2057 bulb and you'd be set.

Yes if you used a self-tapping screw like the part #FA1131822 you could use it to ground trailer wiring to a frame. Sometimes aluminum trailer frames aren't quite adequate so you may need to run a jumper wire to the main ground wire of the…

The green wire is for the brakes and turn signals and the black wire is for the tail lights .

Trailers have tail lights that have a combined brake and turn signal on the same circuit. For light #ST40RB as an example, the green wire carries right turn and brake lights. The brown wire is only running lights. It sounds like you attached the…

You would want to drill a 4-1/2 inch hole to install the 4-inch Optronics Trailer Light #STL45RB. You will also need a Straight 3-Wire Pigtail #A45PB to wire in the #STL45RB.

In regards to wiring a seven way trailer connector, the twelve volt power wire or otherwise known as the battery charge line circuit will need to be run from the trailer connector to the positive terminal of the battery. The ground wire circuit from…

The Peterson part number #420-15 that you referenced is a replacement lens for the Peterson Round Trailer Tail Light #431800 which has a 3-3/4" diameter. Although we don't have an exact match to this in LED we do have slightly larger sizes…

If you're speaking of the grommet mounted 3 function taillight, part #ST70RB, the lamp would use the #A45PB straight or the #A47PB right angle pigtail. The red wire is for the turn signal/brake, the black is for running lamps and the white wire…

Since you have tested the 4-Way connector on your vehicle and it is working properly, it leads me to believe that the wiring of the lights is incorrect. You will want to make sure that the fuse for the running lights on the vehicle is not blown. It…

So with trailer wiring, the color codes aren't going to matter; all that is required is to know the functionality of the trailer wires. If you know what they are you're set, but the one thing you will want to do is verify the functions using…