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My 1998 M1079 has a 2013 Van box. The heater was never hooked up. Any idea where these attach to?
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Where does this attach?
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Third From Texas
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The two fuel lines:
One attaches to the small fuel pump box above the tank (I think it's the outboard line that supplies fuel up to the heater)
The second is the return and it ties into the "T" at the tank fuel return (same fitting that the engine return fuel line is connected)
The small red power wire screws into the fuel pump box (iirc it tells the fuel pump when to come on to supply the heater)
One attaches to the small fuel pump box above the tank (I think it's the outboard line that supplies fuel up to the heater)
The second is the return and it ties into the "T" at the tank fuel return (same fitting that the engine return fuel line is connected)
The small red power wire screws into the fuel pump box (iirc it tells the fuel pump when to come on to supply the heater)
Third From Texas
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Was the truck an actual M1079 or an M1078 w/ the M1079 box?
If the truck is an M1078 you won't have the fuel pump assembly. Easy enough to make one, though.
I can get you some pics in the morning if needed.
If the truck is an M1078 you won't have the fuel pump assembly. Easy enough to make one, though.
I can get you some pics in the morning if needed.
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Unless you want to run the 60,000 BTU (not a typo) heater in the van - which requires AC power BTW - you don't need it to connect to anything. That heater is probably ~80 lbs and takes up the whole right side pod that can easily be used for a smaller heater or storage. I stuck a Chinese 12v diesel heater in there in place of the military unit and made a door for the pod. Works great.
Third From Texas
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This^
Mine is sitting n the floor of my garage.
Not only is it LOUD (you can't sleep with it on) it is constantly warming up...blowing fire for two seconds.....cooling down for 5 minutes....warming up again.....rinse, repeat, And it's LOUD .
Did I mention how annoyingly LOUD it is?
The heater is LOUD. And the blower is insanely LOUD.
Even when I was on shore power or generator, I used a tiny electric heater. The artic heater is massive overkill and a HUGE waste of space.
And it's LOUD.
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The truck is an original M1079
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Sounds like I'll be looking for another heating option. Although the Farmer's Almanac is predicting a cold, wet and icy winter for west Texas.
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That heater is a waste of fuel and a waste of your time. Uses too much fuel, too much electricity, and takes up a tremendous amount of space. As Third noted - the military didn't give a crap if you could sleep in there - you would be on duty at a desk and likely expected NOT to be sleeping. Chuck that thing in the nearest scrap metal pile.
Worry about making sure the enclosure doesn't leak first. The stock windows suck - they leak (water) and are completely uninsulated - replace them if you can and do it before you plan a build around them and regret keeping them. Also check the seals around every marker light and make sure you don't have a gap at the top of the rear doors where they meet. Don't neglect to use both of the left hand door latches - if you only use the bottom one the top of both doors will not seal. And make sure the rubber block that seals between where the upper corners of each door meet is not shrunk away from the door seals. You may have to add some rubber or weatherstripping to it in order to get a good seal. And any holes you make in the roof - especially along the edges - make sure you seal very well with Sikaflex 252 or water will get directly into the cable raceways for the marker light wiring and find it's way inside forming a puddle in your lowest corner.
I'm in Oregon and we get a lot of rain and plenty of cold in the winter so I'm a bit more aware than most about these aspects. My truck is a 2008 and so is Third's truck so we have been at this for a bit now. The M1079 is an amazing platform but there are definitely things about the design that could use improving for civilian use.
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Ronmar
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“Did I mention it was loud”…
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It’s time to install my heater. Would you be able to get those pics for me?
Thank
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What kind of heater are you using? The stock pump may not meet your needs and in any case is likely not easy to find.
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Eberspacher air and water
Third From Texas
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My OEM heater is removed.
The pump is still there, if that's what you want to see a pic of. But it's just a little electric fuel pump min a metal box mounted above the fuel tank.
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Is it hidden behind the hydraulic controls for raising spare tire / cab? I don’t see it.
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You probably don't have it if you don't have the fuel lines to connect to the van. Mine was also missing. I used a 24v Facet military pump to lift fuel up into the heater tank and then the diesel heater has it's own dosing pump that is gravity fed from the heater fuel tank.
Third From Texas
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There’s nothing there on my truck. Even my old eyes would have seen that box. Thanks for the pic
Third From Texas
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I'm sure it was part of the OEM heater install for the trucks with the Arctic package.
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My truck is a 1998 M1079 with a 2013 box with an artic heater. Maybe the original box didn’t have the heater so no pump?
Third From Texas
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Just a guess, but if you have a 1998 M1079 the box would be 1998 as well.
I'd guess the box you have now was added to the truck in a refit or repair/replace?
The pump would not be on the truck if that were the case (if that chassis wasn't originally set up for it)..