I have a 2008 ford f250. when i pull my travel trailer the instrument gauge says trailer disconnected and it also says trailer wiring malfunction. then my trailer brake systems turns red and blinks. i took my ford to the dealer they said the truck is fine it is the trailer. than I took my trailer in to get looked at they said the trailer is ok and that 2008 fords have problems with the stock electric brake system what do i do
SOURCE: integrated brake controller will not
The reason why this does not work is because the brake control unit is designed to look for an inductive load(magnet coil). A elec/hyd pump assembly typically has a resistance value of anywhere from 400 to 1700 ohms. Most trailer wiring circuits are roughly 2.0 ohms or less. The control will not activate due to the fact it is not a designated trailer resistance for the brake control unit. At this point I have not heard of any suggested fix for this problem besides not ordering the GM control. Buy the Tekonsha P3 and it will take care of your problems.
SOURCE: trailer tow wiring for electric brake controler
If you click here, it will take you to Draw-Tite and you can view the installation instructions that shows the location of the wiring.
Hope this helps!
SOURCE: 2001 Dodge Dakota Trailer Brake Wiring
Call dealer & ask them to run your vin# to see if it came with towing package. They shouldn't mind. If not, you'll have to wire it in yourself.
SOURCE: trailer brake controller problem
I found the problem. Talking with a technician from the controller company, we determined that it was a fuse problem. I found that the fuse to the CHMSL was blown.
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