Trailer Light Tester– Trailer light tester for home or commercial use. Powered by 18v Milwaukee battery (not included) Tests trailer lights with 7 or 13 Pin plugs. Tests side lights, brake lights, indicators, fog light and reverse lights. Comes with 7 Pin and 13 Pin connection. Simply attach your Milwaukee 18v Battery and test your trailer or caravan lights. Comes with voltage display and safety overload protection. All units tested before dispatch. free post to UK
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