Adding an auxiliary heater

Dave01a

Member
Joined
Dec 19, 2024
Posts
24
Location
KS
My cargo conversion does not have the aux heater under the passenger seat. Considering adding one there, or possibly under the bed in front of the wheel well.

I have a pdf version of the service manual, but didn't find any diagrams on just where the aux heater taps into the coolant flow. I'm assuming it T's in somewhere with custom hoses, and I could theoretically tap in anywhere, but would like to have an idea of how the factory setup hooks in just to get in my mind.

May even add a heat exchanger to heat water for a shower while I'm at it.
 
Double check me, but I believe the factory aux heater system also includes an aux pump to keep hot water flowing through it. Not sure where it mounts or how it's wired into the system.
 

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