Why does my trailer lock up in reverse?

If you have a surge or hydraulic coupler on the trailer, such as those typically found on boat trailers, the hydraulic brakes will lock up when the vehicle reverses unless the lock-out circuit on the coupler is wired to the trailer connector on the vehicle.

What is lock out key trailer?

Trailer brakes locking up when you are backing up your trailer? Use the trailer lockout key to prevent this from happening. The UFP Trailer Lock Out Key is designed to keep the actuator from being compressed and engaging the brakes.

Can you backup a trailer with surge brakes?

Yes, there is a way to back up your boat trailer and keep the surge brake actuator, # T43397007K, from applying pressure to the trailer brakes. You will need an electric lockout solenoid, # T4748800, which will close when you shift the vehicle into reverse, allowing the trailer to be backed.

How do Shorelander trailer brakes work?

Operating a trailer with disc brakes is relatively simple. The disc brake actuator has a lockout solenoid that is activated by the tow vehicle’s back-up lights. When the vehicle is put in reverse the solenoid redirects the brake fluid back into the actuator reservoir rather than applying pressure to the brakes.

How do you stop trailer brakes from locking up in reverse?

You simply have to rotate it one way to lock out the brakes and rotate it back to reengage. If you check your harness, replace your lockout key, and still find that you’re having problems with trailer brakes locking up in reverse, it’s time to get some professional help.

How do I stop my trailer brakes from locking up?

When brakes lock up due to controller issues. it is generally both wheels that lock up. Try reducing the brake voltage by adjusting the knobs on the controller to see if the problem goes away. Most controllers need to be manually adjusted to work correctly when the load is removed from the trailer.

How do you use a key lock on a trailer?

It replaces the plastic cap that covers the opening to the brake fluid reservoir. You simply rotate it to lockout the brakes (for backing up) and rotate back for normal brake operation.

How do you reverse a trailer with surge brakes?

Backing up a trailer with surge brakes A trailer with surge brakes needs a special pin to be backed up. The pin is placed in the neck so putting the trailer in reverse does not activate the surge brakes while a driver is backing up or a trailer dolly is guiding the trailer with surge brakes.

How much does a Shorelander trailer weigh?

STANDARD MODELS 2300 lb. – 3400 lb.