You can find part & tools used in this video here:
Multimeter tool: https://www.ebay.com/sch/i.html?_from...
Capacitors: https://www.amazon.com/s?k=Dometic_RV...'>https://www.amazon.com/s?k=Dometic_RV...
Overload protectors: https://www.amazon.com/s?k=Dometic_RV...'>https://www.amazon.com/s?k=Dometic_RV...
(these are Amazon & eBay affiliate links)