We got stooped once or twice a week in that thing for one light or another being out. I'm hoping someone can give me a quick pointer on troubleshooting because I'm supposed to be heading for Texas tomorrow. --Just after my buddy and I got our licenses, he had a Simca, a French auto with ALL the switches on the steering wheel hub. If they are drawing too much power then switching to LED lights will solve that problem because they draw a fraction of the power compared to incandescent lights. Got my 98 W900 back from the shop and suddenly my brake lights are getting stuck on. The problem is that the right brake lights are not working, but the center brake light and the left side brake lights are working as well. I too had the same problem with my 05 Freightliner chassis. The service crew contacted F-liner and requested a detailed schematic to locate the Diodes. Both sides of the turn signals work and the running lights work on both sides as well. Join Date: Oct 2002. #1316 wire from brake switch to chm has a weak ground all the time and strong ground when pedal is depressed. she had the head light wiring harness replaced and also replaced fancy taillights. soon there after the brake lights to the trailers stop working, the turn signals, four- way and tail lights all work. I replaced pig tail, replaced pig tail plug from truck checked fuses. The first time I had this problem. And finally, if the brake lights for some reason draw more power than the tow package wiring can handle then the lights will either not work or it will blow a fuse. If the pin slides out farther, the brake pedal could detach, making it harder to stop the truck. Accordingly, there should be no grounding Location: Fairview TX. 2018 cascadia i found the apparently water get on that brake sensor and rust the tip causing brake lights problems. All the Toad lights worked the rigs running, turnsignal, clearance lights worked but "Brake Lights" did'nt. Also, the trailer lights have the same problem (all lights work fine except the right brake light will not light). Freightliner Owners Club. The part that was replaced to correct my AC problem was the rear power distribution module which is the part being replaced in the recall. Turn, running, and flasher lights work fine, so it appears the light fixtures themselves are OK. the wife has a 07 freightliner coronado. I am working on a 2007 Freightliner M2 single axle road tractor.Id number 1FUBCXDJ47HX48489 the right side brake light on the tractor will not work… Doing a cursory check of all lights I find I have no brake lights. 2011 freightliner m2 with no brake lights and cruise does not disengage when brake pedal is pressed.truck has a aava solenoid not a amu. So I ran all of the air out of my system and the brake lights … My AC was corrected and all lights working. Posts: 2,300 Brake Lights not Working. 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