Partial solution

[Robin]

--- In WanderlodgeForum@yahoogroups.com, "John Churchill"
wrote:
>
>
> I just purchased a 1980 FC33 and it's a bit of a project. The
> original genset has been removed. A prior owner started to install a
> Onan Marquis Gold 7kW unit. The 120V wiring is hooked up, but all the
> 12V stuff is just a mess. Nothing labeled, loose wirenuts, etc. No
> starting battery has been installed yet. I have just put in a ground
> for the genset and pos/neg battery cables.
>
> My unidentified wires are:
> 1) 2 reds joined with a wire nut in one loom
> 2) 2 greens just loose with exposed ends in another loom
> 3) one orange with a small ring terminal and a much longer purple (or
> maybe brown) with a broken off terminal in their own loom
> 4) one big black battery cable that does not have continuity to ground
> or voltage from either the charger or the battery bank
>
> Things I know are disconnected are the microswitch for the door lock
> indicator, the oil pressure and temp gauges (and the hour meter but I
> thought that worked off one of the other leads.) There does not seem
> be be a hot wire for battery charging present.
>
> Air slide cylinder is absent and the hose is just kinked off.
>
> Anyone able to identify which wires go where? An original wiring
> diagram or picture of the factory installation would be helpful.
>
> John Churchill
> Sanibel, FL
>

Big wire gets hot when I throw the "Aux Batt" switch, so it is to pos
batt pole, not neg.