If the rust spots are evenly spaced, you can use surface stitches to cover them. Good stitches might be Smyrna cross stitch, satin-stitch heart, queen stitch, satin stitch lozenges/triangles, palestrina knots, etc. If the spots are not evenly spaced, balance the design by adding extra stitches between the spots.
Fortunately, most states require drivers to equip their trailers with brakes and devices known as brake controllers. When a driver presses on the brake pedal in his truck, the brake controller lets the trailer's brake system know how much braking power is needed to stop the trailer.
Run the white wire through the firewall and connect it to the vehicle's negative 12-volt battery terminal to act as a ground wire. Connect the red wire, which will control the brake light functions of the trailer while it is connected to the brake controller, to the cold side of the brake light switch.The brake light switch can be found above the brake pedal on most vehicle models.onnect the red wire, which will control the brake light functions of the trailer while it is connected to the brake controller, to the cold side of the brake light switch. The brake light switch can be found above the brake pedal on most vehicle models.