Go to Download PDF PDFTown.com | Free Download PDF and eBook
and search on "Acura RL". Download the manual. that will help you get started. There are fuses under the hood.
I have some parts from my old RL. The stock stereo worked fine. $75 plus shipping. I have the ABS components. That is a complicated system so go thru the troubleshooting in the manual to determine the problem.
Contact me at [email protected]
if you need parts...