You make it sound easy . It can be with experience. The key is the troubleshooting (finding the problem) and Documentation(Download). oh and lets not forget you have to Set up the Amps too. I have to say I agree with the earlier post, you need the equipment and know how to Sweep a System. Good Luck
This is CABL.com posting #267188. Tiny Link: cabl.co/mbhFE