Review on Anzo USA 511050 GMC LED Parking Light Assembly in Black - Pair by Issac Burnett

Nice looking lights but not plug and play. The product doesn't account for the drag difference for the older truck so you have a hyperflare. You will need to buy resistors, aka equalizers, for each of the assembly's terminals and connect them directly to the assembly's terminals to ground and the turn signal wire. And maybe a flasher relay designed for LEDs. In all, I spent another $60 to get them working properly. The materials are not very good, but they do the job. Be careful when screwing them in not to overtighten or you will break the holes in the case. In general, not bad, you just need to tinker a little.