Here's link to the pages in the manual showing replacement steps for resistor.

https://www.crossfireforum.org/forum...r-resistor.pdf

The 2 screws holding the resistor in place requires a T20 Torx tip.

Pics from another post...

Pic showing 3 prong connector(bottom) and the 2 sliding latches (yellow) that hold the cover in place


I just pulled off the red and blue cables and removed the 2 screws to remove resistor. Plugged them into the new resistor and replaced.