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| All the newer brake controllers are completely electric, no connection to the hydraulic brakes like they used to. Very easy to install. I would suggest putting in a dedicated socket for the gooseneck, as you will need a wire from the brake controller to apply the electric brakes, but not for use with a semi trailer. Also avoids the need for different plugs on the trailer. Semi trailers have separate circuits for turn signals and brake lights. If the semi is wired to use the turn signals as brake light (some are), then the options are to change it over (new turn signal stalk and some wiring), or use a converter to do same. Either way should be under $100 in parts.
Mounting a ball below and behind the fifth wheel is the best choice as it means no changes on the gooseneck, and also allows lateral movement between the truck and trailer. Keep an eye on the trailer hitch in the rear view mirror, lots of movement from side to side. On a single axle the ball can be placed where it should, just forward of the rear axle and the fifth wheel slid forward. On a tandem, one has to be more aware of the clearance needed to turn. In most cases, a 2 1/2" deep C channel (think frame rail material), with the C facing down, placed on the bottom of the truck frame rail flange will put the ball at about the correct height to match pick-up. With the open portion of the C turned down, it allows clearance for the axle pig.
Do be careful with the addition power and what it can do to the trailer neck, especially when at sharper angles. | |
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gooseneck to semi
