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We bought our 2016 LWB Transit Connect for the purpose of converting it into a road trip vehicle. We often drive long distances to ski (we live in Michigan and there aren't any mountains here) and ride mountain bikes. The van is intended to serve those use cases. It isn't intended to be lived out of for long periods of time, it just needs to be comfortable enough to pull off the road when we get tired and catch some good sleep. When we get to the destination, we will stay in more legitimate accommodations (VRBO, AirBnB, etc...). I'll start with the electrical system. Having slept in my various cars (Subaru WRX and Subaru Forester), I knew that we had to invest in keeping warm. If I had my say, I'd invest in better sleeping bags and be done with it. Mrs. Chong, on the other hand, was having none of that idea. It was heated blanket or bust. Luckily, I have some friends who are electrical engineers. They helped me design a power system that will power the heated blanket we bought for a full 1.5 days without recharging. The BOM for this system is as follows: 2 Optima YellowTop D31t 75Ah Deep Cycle Batteries Battery Boxes Blue Sea Systems 120A DC Add a Battery Kit Noco Genius 10AMP 1 Bank Battery Charger 3 Blue Sea Systems Fuse Block Terminals 3 125A Blue Sea Systems Terminal (slow blow) Fuses Blue Sea Systems 6 Circuit DC Fuse Block 1000W Pure Sine Wave Inverter Combination Cigarette Lighter and USB Outlets (DC) 2AWG Copper Wire And various other bits for wiring up the circuits. The first thing to do was to run the wiring from the engine compartment into the cabin. We ran this through the stock grommet in the firewall behind the glove box on the passenger side. We ran one 2AWG wire to the positive battery terminal and one 2AWG wire to the stock chassis ground next to the battery. We installed one of the Fuse Block Terminals and Slow blow fuses between the starter battery and the add a battery kit: We then got to work on wiring up the rest of the kit. Here's a shot of the panel I made for the Add a Battery Kit and the DC Fuse Panel: That panel lives in that little cubby beneath the passenger seat. Here's an in-progress shot of wiring up the batteries, charger, and inverter: You can see that every single battery has a fuse on the positive terminal. This should keep the system from drawing too much current. If something needs more than 125A, that likely wouldn't be good. It will be neat to see what that inverter does when I finally power it on with a load. Those fuses are rated to sustain 2x the current load they are rated for, for a duration of 1 second, I believe (I'm not an expert on this stuff, but I have friends that design the transformers that live on the global electrical grid, they signed off on the design). And the forum is now telling me I'm at the attachment limit for a single post. Really need BBCode so I can link these from flickr. To be continued...