This is a great example of useless info:

> It is no work at all to move everything over to the aux battery on an
> 89. No cutting or moving or unplugging of any wires is required to move
> over the radio, all interior lights, and cig lighter. Only one wire to
> unplug and reconnect to move the whole kitchen All the 86 and newer are
> very simple to do this on.

Okay, how is that done?  The original question was to the effect "Is there a diagram or directions someplace I can look?"
Info like that quoted above is nice to know, but specific instructions are what people are looking for.  If that specific info can be posted to the list then many can share and use it.