Easy Setup + Common Problems & Fixes After running Chinese diesel heaters, messing with hard installs, and fighting wiring gremlins in the cold… I finally switched to a Sparks Overland portable heater system. Here’s what I’ve learned about setup, common problems people run into, and how to avoid them. The Setup Is Actually Stupid Simple What surprised me most was how clean the install is compared to typical diesel heater builds. Basic setup: Place heater outside vehicle/tent