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Trailer wiring troubleshoot
All lights work now except for the right rear park/brake/signal light. There’s about 10 leds, 4 in the middle are the park lights and the remaining are for signal/brake. Rear housing shows wiring diagram (smart). However, the 4 center ones only light up very weak, and with brake/signal applied they do stay one/blink but very weak. So I took off the light and unharnessed the wire (red) for the brake/signal.