Last summer I made another camper happy who could not put M&G on his new toad when I showed him my DIY rig. A 1.25" air cylinder is just right for the amount of pressure you need once the vacuum assist is bled off. Something like
this is all that you need but having pressure for breakaway is more complicated. I do not need this as I set the parking brake on my toad. Might want to click on "How I tow" below before jumping on that one.:W
Takes about 30 seconds to install as the conduit goes over the screw to keep it in place. The nylon rope has a loop big enough to go around half of the brake pedal and the rubber strap pulls it back.
