House2Start install on a 2026R with dual alternator.
The H2S maintains the chassis battery as long as the house batteries are being charged.
It is designed to prevent a dead chassis battery while the vehicle is stored.
Yellow to House battery
Blue to chassis battery
Black to ground
•You may choose to mount the unit visible next to the breakers. I left this one under the seat.
•I have had dozens of V/N passenger seats off over the past 10 years.
Here are some differences with this R.
•Full skirt, even the top.
•Seat bolts threaded thru the skirt fabric.
•Wiring to the power seat and occupant sensor was very short. I could only raise the seat about 6” and that was after clipping one wire tie. This made access kind of tight.
•I identified house & chassis power leads by voltage. Confirming matching voltage with WinnConnect and Mercedes dash info.
•House power was confirmed live with battery switch off.
•I chose the ground at the circuit breaker mount screw because under seat access was tight.
•I worked with everything live.
I hope this helps folks installing the H2S.
Thanks to
Brad Johnson at House 2 Start for guidance with this install.
https://house2start.com/