How to troubleshoot the trailer brake controller without it?
After 12-volts of power have been confirmed at the controller, hold the test light to the wire connection port on the trailer connector at the rear of the vehicle. If there is less power at the trailer connector than at the controller, check for issues with the wiring between the two components. How to Check a Brake Controller Without …
Where is the test light on the trailer brake controller?
Hold a 12-volt test light to the trailer connector wire port at the back of the trailer brake controller. After 12-volts of power have been confirmed at the controller, hold the test light to the wire connection port on the trailer connector at the rear of the vehicle.
Is there a problem with the ITBC trailer brake controller?
1st things first, you must have a TRAILER CONNECTED’ message before ItBC will work. Also, no ABS light on the instrument panel. If either of these are problem, no trailer brakes. It the message you receive says SERVICE TRAILER BRAKE SYSTEM, the problem is in the truck, not the trailer, 95% or more certain.
Why does my brake controller not have power?
It should only have power when you apply the manual override or brake pedal. If it shows power at idle then there is something wrong with the controller and it will need to be replaced or there is a short or dirty trailer connector. If it tests fine then reconnect the blue wire.
Why is my brake controller not connecting to my trailer?
Brake controller display does not show that trailer is connected. Short on brake signal wire, trailer or vehicle side. Corrosion in trailer and/or vehicle plug. Short on brake magnets on trailer. Malfunctioning brake magnet (s). Brake controller loses connection to battery ground.
What can I do about the brake wire in my trailer?
I could just disconnect the brake wire in the trailer connector, theyre barely, if at all, there anyway, or install an aftermarket controller, but those solutions would be surrendering to the problem. Id really like to fool the system.
What do you need to know about trailer brake magnets?
Check the wires on the trailer brake magnets. Each magnet should have two wires: one for power, and one for ground. Make sure that the ground wire is attached to a clean metal area without any paint or corrosion. The power wire should be intact and have a solid connection to the electric brake signal wire.
What causes a check trailer wiring message on the DIC?
poor connection at the 7-way connector can cause a “Check Trailer Wiring” message on the DIC. Also, they may cause deformation and excessive wear of the terminals on the truck’s 7-way connector socket. Over time, this will lead to poor terminal tension between the 7-way (trailer side) connector plug and the truck’s 7-way connector socket.