08 Ene 2021

Exterior Lighting:Brake Lights Summary: Sb4256 enabling m2 exhaust brake lights . If no pinched or kinked airlines were found, go to step 10. Model years unknown. Freightliner M2 SYMPTOMS: No brake lights. 2 for wiring installation, and Fig. *pe updated on 6/14/201 . Chassis module does not see an input from the brake switch. View This TSB. if they are on the 12v elec. 10. hi: if you have a 12v test light and can get to the brake light switch; check each side of the switch to see if 12v is at the switch. 13.1) is part of Use extreme care when placing flares in emer- the multifunction turn signal switch. See Table 3 and Table 4 for re-quired parts for this procedure. Then, when you activate a turn signal, it breaks the output circuit of #4 and/or #6 from #2, and connects it to #1. About 49.00 dollars. 2009 M2 with no brake lights. Assuming the cruise is not on the turn signal assembly, the bulk head module again is where I would look. In an Emergency Hazard Warning Lights WARNING The hazard warning light flasher (Fig. Refer to Fig. Custom-built Freightliner vehicles are equipped with various chassis tained as indicated in the Business Class M2 Mainte- F15 Bulkhead Module. Module plug has no voltage on it. system is o.k-replace or adjust the switch. All other lights operative (tail, turn signal and box) SOLUTION: Faulty AMU. Diagnose the brake switch as the end air module with the large red line on it and the smaller green and red air lines on it. Can't find anything to tell me if this is power or ground controlled. What I'm trying to say is that if you have brake lights at the rear, your wiring is fine from the switch; otherwise, you would have no brake lights there since the turn signals and brake lamps share the same wiring. And also my overhead marker lights will turn on. Green. THE TURN signals and brake lights will work and so do the 4-way flashers. View This TSB test the brake lights again. 3 for PDM fuse locations. TSB Number: 42-64 NHTSA Number: 10119498 TSB Date: September 1, 2014 Date Added to File: October 14, 2017 Failing Component: Exterior Lighting:Brake Lights Summary: 42-64 - accessing a service brake light signal on m2 vehicles . Exterior Lighting:Turn Signal Summary: Freightliner: a new bulb socket is available for turn/park lights that is metalized to withstand high heat without out gassing. Unplug the electrical connector at the AMU switch module "A" and check to see if the brake lights turn off. If pinched or kinked airlines were found, repair or re-place them and retest. If a 12 volt brake signal is needed, continue with the following steps. It is a red rocker gency situations that involve exposure to flam- switch located on the top of the multifunction switch mable substances such as fuel. If it is in the turn signal assembly, then replace the multi-function switch. if there's 12v on one side-the fuses are o.k..take a jumper wire and connect the two wires - go to the rear and see if the brake lights are on. If the brake lights remain on, go to step 12. On a trailer the brake lights and turn signals operate on the same wire/bulb. Some trucks have the cruise and headlight voltage going through the same module. I don't see any exposed wire, just got my tail lights rewired and covered really well, first thing I'm going to do is replace my two switches that turn on the headlights and marker lights. So it is odd when the turn signals work but the brake lights don't. There are 3 possible causes for this that are more likely than any of the other possible causes. The brakes could be one of the modules or wires going to them. Models columbia, business class m2 and cascadia. 7. First there could be a problem on the vehicle side. 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