State-of-the-Art remote-controlled diagnostic trailer tester. Power lights: Manually/All-On/Auto Scan or by remote control. Audible and visual alerts: cross/open/overloaded/short circuit indication. Test ABS fault blink codes via auxiliary and brake circu
Trailer Tester Super MUTT(R) Deluxe 7 Round Pin Used For Air Brake and ABS Trailer Light Operating Range 20A @ 12V DC For Use On Commercial Trailers (7 Round Pin)