'85FC31 Security Light issue... update!

[pattypape]

There could be a relationship between the roof air and the DC wiring.
On our 88 FC there are remote DC switches to turn on the AC's or
electric heaters, located left side above the Driver seat.
These are DC powered relays to turn on AC (Alternating Current) power.
BB used this method in a few places on our Bird.

But this may be getting us off track of the real issue????

Bill 88 FC



--- In WanderlodgeForum@yahoogroups.com, "James" wrote:
>
> Bill:
>
> Thanks again for the help. I'll get out my Sherlock Holmes outfit
and
> see what I can come up with.
>
> Yes, I mentioned the two roof airs (Carrier AirV's, new as of 3
years
> ago) because they become inop when the issue is triggered. I know
> they are 120v AC, which is why I am baffled to explain their being
> affected by the bug, especially since the Microwave (also 120v AC)
works!
>
> This is why I was asking if there is a big master electrical breaker
> somewhere that I'm not aware of. I hate electrical issues and I
hate
> plumbing issues and this one is just a pain in the rear.
>
> However, to quote my doctor whenever I tell him my knee hurts, he
> says, "Don't do that." So, I know I have a great coach, with
unusable
> landing lights. If I don't hit the switches, I wont have the
problem.
> But I don't like having this problem. :-D
>
> I'll dig further.
>
> Thanks,
> JR
> '85FC31' "The Short Bus"
>
> --- In WanderlodgeForum@yahoogroups.com, "pattypape"
> wrote:
> >
> > Jr,
> >
> > This is going to require the use of your major detective skills.
> > Even your electrical drawings may not help.
> > look for frayed wires in the troubled circuits, check the lights
> > sockets/bulbs, that seem to cause this trouble.
> > look closely at the bay doors that open and close, possibly a
> > short or pinched wire at the docking lights.....??????....
> > Bosch relays are very reliable, They just plug into a socket
> > so try to substitute a known good relay.
> > Disconnect lights until the problem goes away,,,,,
> >
> > "when the issue is triggered: Top two A/C packs are inoperative;
> > > Water-pump is inop; Dash radio is inop; Microwave works; Engine,
> > > headlights and driving lights work; Digitell works."
> >
> > In your statement are you referring to the roof Air
Conditioners???
> > And Microwave............
> > The AC voltage and the DC voltage are isolated from each other.
> > Two different animals...............
> >
> > Bill 88 FC Michigan
>