Landon, You will have to drill some holes and mount the board and heat sink. The wiring was discussed. This is really about your skill level. The risk, is a mistake in wiring, or crushing a wire/grounding to chassis can blow a board.
You can go to MTH web site and down load the instructions. That would help you determine if this is something you want to do.
For a Williams, you may need a volume pot, and the speaker mount may need to be customized depending on how Williams did your model. Sometimes they just hot glue speakers on to the chassis. G
