4 pint to 6 pin... July 20, 2010, 11:08:02 am Yahoo Message Number: 114645easiest way ...check with one of the UHaul Centers (or possibly online) they made several different converters that just plug in. The mom and pop Uhaul places normally don't carry much stuff, but the big centers do. And yes, I used to work for UHaul.(optherwise I'd have no idea!). I'd just get the hitch guy to help the customer, they knew which plugs went with what.Have fun. Mary