None of my hazards and signals work. Changed the flasher, check fuses, checked bulbs, did the WD40 thing. Nothing worked. Once I changed the flasher the only thing that kind of works is that the flasher makes its flashing noise and the left signal flashes in the cab but not in the rear. What else to try?
Try shaking the turn signal lever rapidly. Not to the point of breaking it but you do want to apply a little extra pressure. move it in every direction for about 5 to 10 minutes. do not spray anything into the switch as it will collect dust and dirt in the future. This should get everything freed up and working in the multifunction switch. That sounds like where the problem is coming from.
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