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.
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