Author Topic: Where do I find the MIOM?  (Read 19 times)

Lyle McIntyre

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Where do I find the MIOM?
« on: May 25, 2026, 09:02:43 PM »
I am embarrassed to post this, but I am have been unable to find the HWH MIOM.  I am tracing an issue with the motorhome continually dropping out of travel mode.  I have the HWH 700 series service manual for my coach.  I am trying to verify communications.  The manual directs to verify communications lights on the MIOM.  Based on what I read, I am looking for a potted circuit board with a 32 or 35 pin connector on one end, a series of LED lights on one side  and a lot of connectors on the other side.  Does this sound right for this system?I assumed they would be in the HWH box in the electrical bay (forward drivers side).  I do not see the two MIOM as part of that assembly. 
After searching I was directed to a variety of locations: 
- Mounted directly on top of the six pack.  It is not there. 
- Mounted in the bays near the six packs.  Possibly, but I have yet to find them. 
- Mounted in the frame rails. Could be, but I have not found them. 
- Mounted forward in the electrial bay.  Again,  I cannot find anything that looks like what was described.

I feel that I am being lead down the wrong path.  Can anyone point me in the right direction? 
2005 Monterey Huntington IV
Cat C9 400HP