Hopkins 50928 Trailer Wire Harness Test Unit Features: Designed So One Person Can Test Functions Tests All Trailer Functions Trailer And LED Lights Will Illuminate On Tester To Show Function Operation Adapts To 4-Wire Flat And 6 Or 7-Way Round Incl. Battery Terminal Clips Can Be Used w/Any 12 Volt Battery Amperage Meter Shows Actual Amperage Draw Height: 17.75 Width: 11.50 Length: 3.88 Weight: 4.75 lbs
