Hopkins Tow Doctor Vehicle Wire Harness Test Unit 50918. Tests all tow vehicle functions: ground auxiliary power brake direction and backup. Adapts to 4-Wire Flat 6-Pole Round or 7 RV Blade. Heavy duty 20 ft. extension cord is included. Features of...
Hopkins Tow Doctor Vehicle Wire Harness Test Unit 50918. Tests all tow vehicle functions: ground auxiliary power brake direction and backup. Adapts to 4-Wire Flat 6-Pole Round or 7 RV Blade. Heavy duty 20 ft. extension cord is included. Features of...
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