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My battery isolation relay on the house batteries doesn't work, previous owner installed knife switches on the battery terminals. They work great for storage, no reduction in battery power after 4 month winter sleep.
Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
I used two knife switches, similar to the one in the lower right corner of the picture above. One for the house and one for the chassis. No issues thus far.
Stewart & Kim. 2011 Serrano 31V, MaxForce 7 w/ Allison 6 Sp. Fiat 500 Sport Diesel Pusher.
Surge Guard 3450, TST 510, Sliverleaf VMSpc, RVND 7710. Blue Ox Tow. 2010 Arctic Cat 700 TRV.
Someday your life may flash before your eyes. Make sure it's worth watching.
I have used the two on the left on previous coaches.. Green one on the engine battery terminal and the red one to isolate my inverter from its direct connect to the house battery. Both worked just fine.
__________________ Chuck in Houston
2015 Allegro 32CA
2014 Honda CR-V