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Tow Doctor™ Vehicle Wire Harness Test Unit
Tests all tow VEHICLE functions: ground, auxiliary
power, brake, direction,..
Tow Doctor™ Trailer
Wire Harness Test Unit
Tests all TRAILER functions: left turn, brake, tail, backup lights;
TOW DOCTOR PORTABLE BATTERY PACK OPTIONAL . ..
Phillips EZ-Tester. 7-way tester for 7-Way blade socket type
For 7-way RV type socketsChecks conductivity of all ci..
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