Be sure the 12v socket you order is up to the requirements of your fridge. I went with a 3 way that can support 5 amps per plug for my Engel fridge and lights. If I remember correctly the Engel can pull up to 2.5 amps when the compressor kicks on.
Thank you! This is a 15amp cigarette lighter plug. The cooler pulls an average of 4.8amps.

