New in the box LH & RH Door Harnesses. 

These are needed to install GM Accessories Camper Mirrors.

 LH -  84290984

RH -  84290964

Your truck may require different part numbers for the harnesses but these are the most popular for RPO code DL8.

 Please send us your VIN to make sure you are getting the correct harnesses OR if you want the mirrors just let us know.

If you have a 2014-2015 LD or 2015 HD you may need another harness, the RZY jumper harness. Please email your VIN.

Thanks for looking and email with any questions!