Marketplace
Truck-side brake controller testing (IPA #9107B)Trailer-side lights & brake testing (IPA #9101 MUTT)Hydraulic pump & relief valve testingBearing end play & hub runoutBreakaway switch & battery testingTrailer ABS sensor gap & fault codesAir brake stroke & leakdownMultimeter & 7-way wiring testsCoupler, wheel & U-bolt torqueBearing repack & seals
Diagnostic tools
Innovative Products of America
IPA #9101 Ranger MUTT Trailer Tester
Powers trailer lights and brakes without a truck; 10 A breaker protects against shorts.
Maker pricingView at maker
Fluke (87V class)
Industrial True-RMS Multimeter
Volts, ohms and amps for magnets, grounds and 7-way pins.
Maker pricingView at maker
Supplies
Shop supply
Back-Probe & Test Lead Kit
Thin back-probe pins and alligator leads for 7-way and connector testing.
$39.00
Shop supply
7-Way Connector Brush & Dielectric Grease
Cleans corroded pins and seals the plug after repair.
$18.00