Ultra-Tow 7- and 4-Way Circuit Tester, Model# DBP7+4
Ultra-Tow 7- and 4-Way Circuit Tester, Model# DBP7
Good product it helped me fix my electrical problem with the trailer . I was able to realize that the truck system was operating properly and the trailer had a bad ground wire. Problem fixed.
September 16, 2014
This item was just what it said and was well made . arived on time
July 17, 2014
Inherited a fleet of trucks and trailers with numerous wiring issues. This little tool has made troubleshooting the truck side so much easier, as well as making sure that the wiring is to standard. (Previous mechanics and employees had "just made it work", not realizing that the fix on one truck/trailer combination will not necessarily carry over to the next truck or trailer). Only wish I had purchased the one with the audible tone, as that would have made checking the brakes easier without another employee. Overall it's been a great purchase.
May 1, 2014
Handy for wiring and troubleshooting
This tester makes installation of connectors easier and quicker to ensure proper setup. Also great for troubleshooting wiring problems. Can quickly determine if problem is in tow vehicle or trailer.
November 3, 2012
Have already Used TWICE and Has SAVED me LOTS OF STEPS. Was able to pinpoint trailer brake problem in MINUTES.
August 13, 2012