New cap has 4flat connector. Truck is wired for 2flat.

I got a new camper cap for my truck and the wiring harness is for a 4 flat, however my truck is currently wired for a 2 flat that I put in sometime around 2009 (truck is a 2007). I've got to Napa and Autozone with no results on finding an adapter. Any advice?

 

Re-wire for 4 flat....
Or go to Etrailer.com and get one of these:

 

I'd just go with the flat four and not use the other 2 pins. You can get the flat four anywhere. Seems like you are looking to fix something that isn't really broke.

 

Just wire up what you need !

Get the 4 pin flat plug and call it good .

I am guessing the marker lights and a Ground?

Just the brake light and ground ??? even though no one looks at brake lights just their phone.