Trailer Wire Retainer | etrailer BrakeRite actuator wires into your tow vehicle and sends a signal to activate the trailer brakes when those in the tow vehicle line (5) Hose brackets (5) Hose clips (3) Tees with brackets (8) Line-retaining clips Disc Brakes An increasing number of trailer owners are switching over to disc brakes, and with good reason. Disc Amazon: trailer wire clips Amazon: trailer wire clips. Skip to main content. Try Prime All EZYKOO 465 Pcs Car Retainer Clips & Plastic Fasteners Kit - 19 Most Popular Sizes Auto Push Pin Rivets Set -Door Trim Panel Clips Compatible with GM Ford Toyota Honda Chrysler. 4.6 out of 5 stars 485. $19 $ 19. 88.