M109 Wiring

[Sundance]

Does anyone know if the 115 volt disconnect box inside the van is wired to the external plug with both pins hot and the shell grounded or set up for one pin hot and one pin common? Can't find a diagrahm and haven't traced the circuits yet. Site searches don't seem to address this question.

 

[Ferroequinologist]

One pin is hot and the other is neutral. The body is not the neutral, AC circuits don't like neutral through a metal frame or box. Could cause a nasty shock. Box is usually grounded by a cable and grounding rod connected to the outside rear pass side of the box (at least both 109s I had had a stud and wingnut there marked 'ground'.

 

[Sundance]

Thanks, Ferro.

 

[vinny-socom1]

page 1202 in TM 9-2320-361-20
has a fold out of the box wireing, it was a big help for me when I had to rewire a couple of curcits.

Vinny

 

[Sundance]

Thanks for the foldout info. What has me confused is that the switch box says 240 volt and there are 2 fuses rather than one. The foldout just shows one fuse. The rest of the diagrahm matches as I have 4 circuit breakers and 2 outlet strips with 3 prong receptacles.

 

[vinny-socom1]

Mine had 2 fuses? I'll snap a photo for you if that helps, but I swap my inlet plug with an RV style 30a.

Vinny

 

[vinny-socom1]

heres some pics, I hope it helps

Vinny

 

[Sundance]

Vinny, great looking setup. Boxes are just like mine. Any obstructions in the wall when you fed in the new cable?

 

[vinny-socom1]

right at the box is a horizontal support beam but it has holes in it to pass cables thru so it worked out perfectly!!

Vinny

 

[Sundance]

Thanks.

 

[KaiserM109]

page 1202 in TM 9-2320-361-20
has a fold out of the box wireing, it was a big help for me when I had to rewire a couple of curcits.

Vinny

THANKS! I haven't started my rework or research yet and this really gives me a headstart.

Arlyn