Ugh. My brother’s SDL got a short in the trunk light, and we had to run quite a bit of wire to fix the damage.
Trace back the harness, likely the hot wire melted some insulation all along the way, and you have some shorts in there. Peter > On Oct 24, 2022, at 6:14 PM, Kaleb Striplin via Mercedes > <mercedes@okiebenz.com> wrote: > > I figured out what she did. She managed to plug the adapter in upside down > which sent the 12 volt acc straight to the ground of the 4 flat on the > trailer. It burned that wire all the way to the frame of the trailer. In > looking at the adapter, the 4 flat ground is fused to the adapter and I can't > even unplug it. > > I replaced the tail light module, and problem was solved, at first. As I was > explaining to the wife what she did, which she then turned it back to being > my fault because I did not tell her how to plug it in, the damn lights came > back on. The module has 4 harnesses that plug into it. I started pulling > them and replacing, and somehow got them off. Lights were back to working > like they should. The module slides into a bracket which them bolts to the > frame. I was going to leave it loose to make sure it actually continued to > work, but then decided to go ahead and mount it as it was working fine. As > soon as I started messing with it, the lights came back on and I could not > get them back off. I looked at the individual wires coming directly out of > the connector on the truck and none appeared to be melted. I guess I will > have to take a closer look as there has to be something melted within the > harness. I hope it did not screw up the new module, or possibly the old > module was not really bad. > > On 10/23/2022 8:11 PM, Kaleb Striplin via Mercedes wrote: >> I guess on the bright side if she was towing it with the GL and the trailer >> wiring shorted, it might have fried the rear Sam. It looks like the brake >> like module in the back that I suspect it fried is only $25 at the flaps. >> >> Sent from my iPhone >> >>> On Oct 23, 2022, at 7:07 PM, Buggered Benzmail via Mercedes >>> <mercedes@okiebenz.com> wrote: >>> >>> Maybe she needs to purchase her own vehicle she will be responsible for. >>> If she wrecks it or otherwise trashes it she can deal with it. >>> >>> --FT >>> Sent from iFōn >>> >>>> On Oct 23, 2022, at 8:02 PM, Kaleb Striplin via Mercedes >>>> <mercedes@okiebenz.com> wrote: >>>> >>>> Back when we were daily driving 123s she managed to kill some of those >>>> too. >>>> >>>>>> On 10/23/2022 7:01 PM, Buggered Benzmail via Mercedes wrote: >>>>> You need to get her a 300TD that will be immune to all that nonsense >>>>> >>>>> --FT >>>>> Sent from iFōn >>>>> >>>>>>> On Oct 23, 2022, at 7:32 PM, Kaleb Striplin via Mercedes >>>>>>> <mercedes@okiebenz.com> wrote: >>>>>> Just from some quick research, it appears there is a body control >>>>>> module that may have gotten fried. This is great. >>>>>> >>>>>>> On 10/23/2022 6:29 PM, Kaleb Striplin via Mercedes wrote: >>>>>>> Since she killed the air suspension on her GL somehow, she had to take >>>>>>> the truck this weekend to haul the enclosed trailer to her show. When >>>>>>> she went to leave, she had somebody hook up the trailer and plugged it >>>>>>> in. She says a few minutes later she notices smoke coming from the >>>>>>> wiring harness at the trailer. Somebody taped it up with duct tape but >>>>>>> now she reports right turn signal not working. She gets home and of >>>>>>> course I have to back in the trailer. I immediately notice an odd >>>>>>> scrapping sound coming from the steering wheel that has never been >>>>>>> there before. After backing the truck in I unhook the trailer and of >>>>>>> course the ground wire is now bare all the way to the frame of the >>>>>>> trailer. I can tell much else with mess of duct tape but it somehow >>>>>>> managed to short at some point in the harness. The wiring where it >>>>>>> starts going into the channels back to the lights look fine so the >>>>>>> short must be closer to the connector. Regardless I am sure I will have >>>>>>> to replace the end of the harness. I was finished messing with it for >>>>>>> the moment when I noticed as I was coming in the house that the brake >>>>>>> lights are on even with the truck turned off. WTF? I pull the fuse >>>>>>> and the rears go out, but the top mount one by the cab stays on. I >>>>>>> cant find a fuse that will shut it off. I got under the dash and >>>>>>> unplugged the brake lite switch and they still stay on. I am not sure >>>>>>> if this 2002 is new enough to have the lights controlled by a computer, >>>>>>> or if this trailer situation shorted out something in the truck. What >>>>>>> I find odd is the truck has fuses for the trailer lights, why didnt it >>>>>>> blow? I sure hope I do not have a major wiring problem now. It is >>>>>>> unbelievable how this stuff happens seemingly without fail when she >>>>>>> drives a vehicle. She has another show next weekend. Now that the >>>>>>> truck is down, there are no tow vehicles left to tow her trailer >>>>>>> assuming I have time to fix the wiring on it. I guess if she wants to >>>>>>> go to this show bad enough, she can rent a vehicle of some sort. >>>>>>> >>>>>>> _______________________________________ >>>>>>> http://www.okiebenz.com >>>>>>> >>>>>>> To search list archives http://www.okiebenz.com/archive/ >>>>>>> >>>>>>> To Unsubscribe or change delivery options go to: >>>>>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>>>>> >>>>>> _______________________________________ >>>>>> http://www.okiebenz.com >>>>>> >>>>>> To search list archives http://www.okiebenz.com/archive/ >>>>>> >>>>>> To Unsubscribe or change delivery options go to: >>>>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>>>> >>>>> _______________________________________ >>>>> http://www.okiebenz.com >>>>> >>>>> To search list archives http://www.okiebenz.com/archive/ >>>>> >>>>> To Unsubscribe or change delivery options go to: >>>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>>> >>>> _______________________________________ >>>> http://www.okiebenz.com >>>> >>>> To search list archives http://www.okiebenz.com/archive/ >>>> >>>> To Unsubscribe or change delivery options go to: >>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>>> >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archives http://www.okiebenz.com/archive/ >>> >>> To Unsubscribe or change delivery options go to: >>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >>> >> >> _______________________________________ >> http://www.okiebenz.com >> >> To search list archives http://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com