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  1. TheRealPapaK

    Rambo - GMC Ambo Conversion (Roof Raise)

    Not much to report. I started on the plumbing and ended up changing my whole plan once I started actually fitting stuff in there so I ran out of crimps already. I’m going to rough in some lines for a potential future indoor shower and return to tank line so I can prime the line with hot water...
  2. TheRealPapaK

    Rambo - GMC Ambo Conversion (Roof Raise)

    It feels like I’m getting nothing done even though I’m out there every day. I did get some visual progress when I did the walls. I took down the thin ply wood as it warped so easily and replaced it with this fairly light pine. It’s starting to feel more like a sauna than an ambo
  3. TheRealPapaK

    Inverter Neutral question

    Hello everyone. I tried to search this answer but I didn’t find anything specific to my question. I have set up an inverter in my van that is hooked up to a DPDT relay so that when I plug into shore power, it automatically switches the receptacles from being powered by the inverter to being...
  4. TheRealPapaK

    HAMBO build thread

    I was toying with the idea of buying and old tent trailer to take the top shell from and then welding in 3" angle iron on the roof to be the "lip" that the canvas attaches to and what the shell slides over
  5. TheRealPapaK

    Advanced RV just raised the bar!

    To each their own. The inside of this thing looks like a medical institution.
  6. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    OK, so after gleaning forums with posts from 2006 and up, I have determined that this is basically impossible to hack into. No one has figured out GM's module. It seems crazy with a world full of smart people out there but that's what I found. Basically from what I can see is there are two...
  7. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    Just dug up a couple things. The first picture is from GM upfitters and is for 2008+ line routing which might be helpful. The other is a picture of a labeled harness for a pre-2008 but I imagine it’s pretty similar. Next step is for me to a to figure out what needs power. Im not sure at this...
  8. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    thanks for pointing me in this direction. I might not get to it until spring but I’ll let you know what I come up with. First glance, there is is no auxiliary coolant pump so I would have to get that as well as a solenoid to close the flow to the engine until the ignition opens it etc
  9. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    I found out it kicks on at 4C when the engine is started. Mine is. 2014 Savanna so we should have the exact same set up. I'll let you know you know what I find out. Thanks everyone for your input so far. I haven't jumped under yet just because it's been snowing and cold and apparently I haven't...
  10. TheRealPapaK

    One way air valve

    Does anyone have any decent ideas or a place to find a one way air valve so it will be closed when my dry room vent van isn't on but when it starts blowing it will push it open? I am envisioning a trap door time thing. It's basically a 6" vent right now with a large case fan.
  11. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    I'll climb under in the next day or so. I found it but I for got to check the manufacturer. I would have to add some check valves etc so I could bypass the engine if I wanted to so this probably won't happen until spring now. I figure there is probably a wire on it somewhere that I can trick...
  12. TheRealPapaK

    Rambo - GMC Ambo Conversion (Roof Raise)

    You should! Honestly it wasn't that bad at all. Now the interior is a hole other animal. I'm really learning how not to build an ambulance lol. I feel like I have two steps forward and one back everyday. That being said, mostly its me changing my mind about the *best* way to do something. The...
  13. TheRealPapaK

    Rambo - GMC Ambo Conversion (Roof Raise)

    Cabinet building has begun. This is new for me so it’s been both fun and frustrating! There a couple sketches of what should be pretty close to the final design. Now the toilet will have a bit of privacy. Ignore the brackets on the toe kick. Those were temporary to keep everything aligned.
  14. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    Right now it only works when the engine is running and is completely hands off but I’m wondering if I could control it manual. If anyone had info on that “A fuel-operated heater (FOH) is available for vans equipped with the Duramax 6.6L to quickly provide heat to the vehicle interior in cold...
  15. TheRealPapaK

    GM Factory Installed Hydronic Heater Information Wanted.

    Hello everyone, My GMC 4500 cutaway has a factory installed hydronic heater to heat the coolant for a heat exchanger and to help warm up the engine faster etc. I can't seem to find any information online for how it works. Is it just thermostat regulated? It is installed by the drivers side...
  16. TheRealPapaK

    Rambo - GMC Ambo Conversion (Roof Raise)

    I got the ceiling up today, wired in the kitchen lights, and got the first part of the hanging bed frame in place. The bed frame needs some tweaks but I’m confident it’s going to turn out well. Right now it’s lifting slightly unevenly so I need to have the 4 cables connect to one to be pulled up...
  17. TheRealPapaK

    Rambo - GMC Ambo Conversion (Roof Raise)

    I’ve been doing lots of little things that have no visual progress. Today I got the the dryroom/shower walls in. They are going to ge ya layer of rigid foam and then acrylic paneling I used .3/4” on the wall because I’m mounting a piano hinge to the other side for a folding bench seat. Does...
  18. TheRealPapaK

    Another ambulance electrical dilemma

    Are you planing on gutting the ambulance?
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