Last May, we bought a new QS10 and love it. The only two problems we have had are:
1) the snaps coming off of the tonneau cover, for which we have just purchased the top snapper snap tool based on a recommendation on this forum.
2) left tail light issue, which may have been our own fault.
Last summer, at a brief stop shortly before we had arrived at one of our east coast destinations, my wife had opened up the hatch and didn't notice the trailer lights cord slacken and fall onto the pavement where it dragged along and wore the insulation through the white ground wire and the red wire.
This Spring when we tested the trailer lights the left tail light flashed dimly on hazards, but was non-existent for the signal light and brake light. I spliced the patch of white and red wire that had some wear and now the left tail light works on all of the above, but is still very dim (only about 4 of the 10 LEDs are lighting up.
Does someone know if this sounds like a wiring problem still or is it the tail light itself?
Thanks,
Chip
Welcome to the forum!
Trailer lights: can't live with 'em, can't live without 'em.
Assuming you have a 4 wire system, the emergency flashers, turn signal, and brake light all use the same wire to the left light. There is a separate wire for the taillight when the headlights are on. Again assuming the lights worked fine last year pre-insulation issue here's the order I suggest for the trouble-shooting that wire/connection to the left light.
I would double check the quality of the connections and make sure you used a heavy enough wire for the splicing job. If that all looks good, the next place I would look for a problem is the 4-pin connector to the tow vehicle. Those are hard to keep clean and well connected. Clean both ends completely with alcohol and a q-tip, then plug them in securely. The next thing to check is the light; see if there is any corrosion in the fixture or the wire connections going into it. If it's suspect at all, replace it. They are cheap and easy to replace (usually!). Finally, there is a remote possibility that the wire damage last year messed up the trailer light converter in your tow vehicle. That's really unlikely, but it's a maybe.