Buddy had this same issue.. not enough power being drawn from the led lights to make the system work properly. He ended up having to buy one of these and it works fine now
Description
Curt 7-Way LED Trailer Light Adapter plugs into existing 7-way socket providing a new 7-way socket that recognizes LED trailer lights. No splicing required.
Features & details
No splicing required
LED trailer light adapter plugs into existing 7-way socket
Product information
Brand
CURT
Model
57003