- Dec 14, 2021
- Kelowna, BC, Canada
I have a 2L diesel that I'm putting in my 4runner. Originally came out of Canadian 84 2WD Pickup. There is a fuel heater on the fuel filter assembly. As I am doing all the wiring myself, I am curious how the heater worked and how I should wire it. Does it turn on while running, or before starting? Think I could even leave it on overnight or would it just burn out?