When we purchased a Saturn as our tow car, we also wanted to get a new supplemental brake system. Jose did his research and comparison, and has the following comments on this project.
Since we had previously had a towed vehicle brake system, I had some idea what I wanted. Specifically, I was looking for the following features:
I found a website with an unbiased comparison of supplemental brake systems that I used to narrow down which brake systems were to be considered.
The US Gear Unified Tow Brake system was the only one (at the time) to have all of the features I most wanted. Most important was a hardwired audible and visual "brakes applied" and breakaway notification.
Our prior supplemental brake system relied on a wireless sending and receiving unit to inform us when the towed vehicle's brakes were engaged or there was a breakaway. I had zero confidence in its ability to accurately display what was happening with the towed vehicle's brakes. All too often, it would give false readings, especially when no brakes were applied. An additional shortfall was that it did not have an audible alarm for a breakaway or if the towed vehicle's brakes activated when the motorhome brakes were not engaged.
First impressions - parts and pieces:
Everything that the manufacturer provided was of good quality and well-packaged. The US Gear Unified Tow Brake parts were clearly labeled and/or the instruction sheets showed a picture of the part and where it was supposed to go in the assembly.
The instruction booklet was easy to read, with instructions in a logical sequence. Accompanying illustrations were clear and to-the-point. Also included was an instructional video CD and a telephone hotline. I used all of the material with good success. This is a very complete package that includes everything needed for straightforward installations.
Installation impressions: This supplemental brake system can be installed by a backyard mechanic if you have the time and the patience. Even though the instructions provided were straightforward and easy to follow, it took me about four days worth of effort to do this myself. I imagine most of you reading this will think that I am a slow poke... but there it is.
Tools used: Drill, drill bits, ratchet, sockets, wrenches, screwdrivers, sharp utility knife, electrical tape, patience (lots of patience).
The most difficult, time consuming and frustrating aspect of the installation was attaching a pulley to the firewall behind the brake pedal and getting the actuator cable to pull in a straight line. In my Saturn (2003 L300) there are no flat areas either directly behind or slightly lateral of the brake pedal.
Once I picked a spot for the pulley and fabricated a mounting block, I knew I would have difficulties with the actuator cable lineup. The actuator cable is attached to the brake pedal via a bolt-on clamp, but was too far to the right to line up with the pulley. So once again, I given the opportunity to think out of the box and fabricate an offset to get the cable to line up with the pulley.
Once I was able to attach the pulley, the rest of the supplemental brake installation was easier. Notice I said easier, NOT FASTER... I am still slow.
Installation in the Motorhome: By far, this was the easiest part of the installation. The only problem I encountered was finding a wire route from the back of the coach to the front, for the connections to the Unified Tow Brake controller. I solved this by contacting the coach manufacturer and getting them to identify a spare wire that ran where I needed it.
I was stumped for a short while trying to find the "Brake Pedal Switch" until it dawned on me that I would not find it by the brake pedal under the dash. My coach has air brakes so the lines and the air brake switches are in a compartment under the floor and below the drivers seat.
Impressions after 40,000 miles: The US Gear Unified Tow Brake system has worked exactly as advertised. I keep it set to its lowest sensitivity setting. I am much more confident in this supplemental brake system than what I used in the past.
If you are wondering if I can feel it when the towed vehicle's brakes come on, all I can say is "No". My motor home weighs close to 40,000 lbs., the car weighs about 3,000 lbs. I wouldn't expect to feel it. However, being curious myself, I put Jill in the towed vehicle to check things out on a short test drive, and it is working as expected.
I will soon be reinstalling it in a new tow vehicle. Will let you know if there is any change to how it performs with the new car.
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