2010 Silverado LT Tail light wiring

[Paradigm49]

Have a slightly strange problem here. After going through quite a few different tail lights that have had their various issues. Anyways, with that being said here is the issue i'm running into, the bulb connectors for the stock lights don't correspond with the LED Tails, and according to Hella, somewhere between 12/09 and 7/10 GM supposedly changed the bulb sizes for the stock tail lights. I haven't been able to get this verified but i was curious if anyone else has had this issue. The set of Anzo tail lights i had previously---they had sent new wires for their tail lights but they are unwilling to sell just the wiring.

 

Has anyone heard of any such changes like this?...and would anyone know where to get different wiring harnesses for the tail lights?

 

 

Thanks!