40-50918 TOW DOCTOR VEHICLE-TO-TRAILER

Tow Doctor™ Vehicle Wire Harness Test Unit  Tests all tow VEHICLE functions: ground, auxiliary power, brake, direction,..

Retail: $444.50

40-50928 TOW DOCTOR TRAILER WIRE

Tow Doctor™ Trailer Wire Harness Test Unit Tests all TRAILER functions: left turn, brake, tail, backup lights; ..

Retail: $904.10

40-50955 TOW DOCTOR PORTABLE BATTE

TOW DOCTOR PORTABLE BATTERY PACK OPTIONAL . ..

Retail: $129.51