Where is the fuse for the trailer brakes?
If the trailer brakes will operate with the manual switch, but not when the truck brakes are applied, check the CHMSL fuse in the fuse box under the hood. The lid to the fuse box will have a legend that will help you locate the fuse.
Why are my trailer brakes not working properly?
There are some other issues that might be causing your problem. If the trailer brakes will operate with the manual switch, but not when the truck brakes are applied, check the CHMSL fuse in the fuse box under the hood. The lid to the fuse box will have a legend that will help you locate the fuse.
Where is the CHMSL fuse on a trailer?
If the trailer brakes will operate with the manual switch, but not when the truck brakes are applied, check the CHMSL fuse in the fuse box under the hood. The lid to the fuse box will have a legend that will help you locate the fuse. Your trailer brakes might simply need adjusting.
Is the output of the trailer brake controller illuminated?
If I attempt to adjust the gain on the trailer, the gain digits increase and decrease; however, the output bars on the display don’t change.. and more important, the output display is not illuminated. I have checked the 30 amp fuse to the brake controller and it is good.
If the trailer brakes will operate with the manual switch, but not when the truck brakes are applied, check the CHMSL fuse in the fuse box under the hood. The lid to the fuse box will have a legend that will help you locate the fuse.
Where is the brake output on a trailer?
The pin in the 5:00 position is the brake output. If you do not show any power at this pin, then there is a break somewhere in the wire between the brake controller and the trailer connector. Check that the blue wire is securely attached at the rear of the connector.
What should I do if my trailer brakes are not working?
Sever the blue brake output wire, leaving enough room to splice it back together when testing is done and then apply the manual slide. Using a circuit tester, like item # 3808, you should get output to the trailer brakes, blue wire. If the manual slide activates the trailer brake output wire properly, try the brake pedal.
If the trailer brakes will operate with the manual switch, but not when the truck brakes are applied, check the CHMSL fuse in the fuse box under the hood. The lid to the fuse box will have a legend that will help you locate the fuse. Your trailer brakes might simply need adjusting.