Trailer Turn Signals Opposite. The vehicle in your picture take a power module to work your trailer lights. When i have the horse trailer connected during the daytime the all the turn signals work right. The yellow wire of the 4 way should be carrying the left turn stop signal and the green wire should be carrying the right turn stop signal.
Its a 7 plug system. This means a device that takes power from the. So the average car owner can troubleshoot these faults with the use of a test light and sometimes a digital multimeter dmm. Left turn signal causes all trailer lights to flash and right turn signal does nothing.
Trailer left blinker lights up when the right blinker is turned on.
When i have the horse trailer connected during the daytime the all the turn signals work right. Troubleshooting trailer blinker that blinks dimly when opposite turn signal is activated. When turning on the head lights the brake lights and turn signals on the trailer quit. Most common problem sources include bulbs wires connectors fuses flasher units and switches. Left turn signal causes all trailer lights to flash and right turn signal does nothing.