Bulldog Lifelong Trigger-Style Coupler and Trailer Hitch Receiver Lock Review Video

The U-Haul 5x8 Cargo Trailer has a suggested coupler height of 18". Therefore, you'll want to take this measurement and subtract this from the distance from the ground to the top inside edge of the receiver on the vehicle. The difference…

I have no idea what the exact coupler height of your trailer would be, but typically the range is in between 16-1/2-19 inches in height. The #989900 ball mount kit you'd looked at would have you covered for a 4 inch or a 2 inch drop which would…

The B&W Continuum Weight Distribution System part #BW78FR is not compatible with any other weight distribution system shank. The hole spacing on the shank for the head adjustment is 1-1/2" on center which is more than the 1-1/4"…

The brake controller/tow package connector is located in the black junction box on the firewall above where the driver's left foot would sit and behind the e-brake pedal. You'll need to remove the cover from the junction box, the connector is…

I wish I had better news, but the ER code means that there is an internal problem on the Draw Tite Activator part #5504 and that it needs to be replaced. For a new brake controller I would recommend the Prodigy P2 Brake Controller part #90885. This…

The wires to install the Prodigy P3 #90195 are indeed already run and under your dash. I have added a link to an installation video showing exactly how to install this brake controller in a 2011 GMC Sierra like yours. On the Prodigy the blue wire is…

It sounds like you installed the Draw-Tite Activator Trailer Brake Controller 5100 in a vehicle with an integrated factory brake controller. If that is the case, installing an aftermarket brake controller like the Activator will cause the instrument…

The Draw-Tite Activator II Brake Controller 5500 will display the OL (overload) message when a trailer is connected if it senses a short or overload in the trailer's brake circuit. If it displays this message without a trailer connected this…

The troubleshooting guide for the (discontinued) Draw-Tite Activator II 5500 is actually the same as the Draw-Tite Activator IV #5504. The instructions (with the troubleshooting guide) for the Activator IV are linked for you to reference but I have…

The Demco SBS Stay-IN-Play DUO Supplemental Braking System part #SM99251 will pull power directly from the towed vehicles battery therefore the Towed Vehicle Battery Charge Wire Kit for Demco Supplemental Braking Systems part #DM66VR is recommended.

The Roadmaster Automatic Battery Disconnect, part #RM-766, does need to be installed on the positive side of the battery, even on vehicles that state to disconnect the negative cable. Roadmaster released a tech bulletin about this which is probably…

It sounds like you might have the Bulldog Lifelong Trigger-Style Coupler Lock part #BD580404 and if that is the case then I have attached for a you a review video on how to operate the lock. That said, if the lock has been on for six years without…