What exactly are you looking for? Location, technique or what?
2010 Cedar Creek 5th Wheel 34SATS "The Beast"
2006 Ford F350 Lariat 6.0L Diesel
2003 Harley Heritage Softail "Hogzilla"
1988 Harley Softail Custom "The Fireman"
1986 Marriage to "Wifey" (patience of a saint)
Typically, either close to the inlet plug, or the distribution center, or the transfer switch if you have one as you can just remove the main wire and use a short jumper to connect the one side of the Surge protector.In my case there was a bit of space behind the distribution center