ISOMASTER
Triple ISO Tester
Advanced circuit tester for testing
your truck’s ISO 7638 Socket,
Trailer Susie, and ABS Functions
ISOTester is an advanced diagnostic device for testing a truck’s ISO 7638 socket, trailer Susie lead and ABS functions for short or open circuits. By running a simple series of tests the ISOTester quickly identifies fault details and the location (tractor unit, Susie lead or trailer), which is not always easy to locate.