Wireless trailer lights tester Remotely fault find for trailer lights Fast and efficient way to find fault with trailer lights Send 12v power down to each individual light 7 pin trailer plug 13 pin trailer plug 3 pin tractor plug S plug caravan Can be made up to suit dewalt/milwaukee/bosch/makita etc For more information pm me Milwaukee packout Message me with any questions Saves pulling a vehicle to trailer every time Or relying on cars/van trailer socket working
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