How to make your RV Fridge colder

RV refrigerators don't work that well in hot weather. I added this fan tray from RV Cooling Warehouse to the inside of my Norcold fridge to see if it improve its performance. Even using only 1 fan, the fridge cooled down on extra 8 degrees.

Fan tray: https://rvcoolingunit.com/Norcold-3-fan-Special-Deluxe-Fan-with-LED-lights-13-in-wide-P5672098.aspx
Magnetic switch: https://www.amazon.com/gp/product/B07PBTMTQZ/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

Small connector for fine wire: https://www.amazon.com/gp/product/B00I1PFD4Y/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

Видео How to make your RV Fridge colder канала On the Road with Ron