Why is my brake controller not recognizing my Trailer?
If it shows power any other time then there is a short somewhere between the connector and the brake controller you will need to track down. If the truck side checks out fine then it could be the wiring to the brake magnets or the magnets themselves.
How do you set brake control on a trailer?
Once installed you can determine how much braking you want on the trailer by setting the Brake Control Module. Setting the Module will depend on your comfort level and what it is you’re towing. Consult your trailer’s information and the weight of what you’re towing to decide.
How can I test my new brake controller?
They should be clean and free of corrosion inside where the wires attach and outside on the pins. To test the brake controller you will need to sever the blue wire several inches from the back of the controller. Then use a circuit tester such as # 40376 to test the end of the blue wire coming out of the controller.
Do you need a battery for a brake controller?
No the trailer does not have to have a battery in order for a brake controller to work. The first thing I recommend to determine the problem is to clean the vehicle and trailer side connectors.
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.
How can I Test my Trailer Brake Controller?
If it tests fine then reconnect the blue wire. Then move on to the truck side trailer connector. You can test the brake output pin and it should only show power with the manual override. If it shows power any other time then there is a short somewhere between the connector and the brake controller you will need to track down.
Can a 12V battery be connected to a brake controller?
12V wire was not connected to vehicle battery, 12V source used is not constant. Connect 12V wire to positive battery terminal. Brake controller detects a short on the brake wire while vehicle is idling. Corrosion in trailer and/or vehicle plug.
Where is the pin on an electric brake controller?
The electric brake pin should be in the 5 o’clock position. If no power is present, proceed to Method 3. With the trailer connected, check for power on the electric brake wire coming out of the trailer’s 7-Way plug.