Re: More A/C-electric Qs

Greatly appreciate your help.

Few Qs:

Where might I find shematics? Someone mentioned the Mitchell series at a
library. Mebbe the service dept would photocopy sumpn for me? Anywhere
else?

Is the compressor below the alternator? Are any wires going to the
compressor necessarily for the clutch?

How do I tell high pressure side from low pressure?
And this low pressure switch: It would be by the firewall? With two wires?

There is one set of fuses by the drivers' left leg. Is that the only set on
the drivers side?
I'll check under the glove box again, but I did look, and nothing was clear,
like the cover on the driver's side.

The MG thing is under the hood, clearly labeled on a fuse block. What does
MG stand for? Is that what they mean by heater/A/C circuit breaker, or is
this elsewhere?

I'm assuming that if something just goes out after a fender bender, it's
electrical. Reasonable?

Thanks.
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Mr. P.V.'d (formerly Droll Troll), Yonkers, NY

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"Comboverfish" <comboverfish@xxxxxxxxx> wrote in message
news:1183048011.621562.181520@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
On Jun 27, 3:26 pm, "Proctologically Violated©®"
<entropic3.14de...@xxxxxxxxxxxxxxxxxx> wrote:
Awl--

Tryna get my friend's A/C going on a 1991 Toyota "suburban" wagon. Like a
corolla wagon?

Think it's electrical, and would like to explore that first. The A/C
stopped working after getting mildly rear ended.

Would like to check fuses first, if that makes sense.
Looked at the fuse panel by the driver's left leg, and it said on the
cover
"heater-A/C breakers by assist kick plate".
What/where is an "assist kick plate"?

Depending on your vehicle (sounds like you don't know what you are
working on...) the A/C clutch fuse and MG relay may be behind the
passenger side kickplate under the glovebox area. It should be a 7.5
or 10amp fuse. There are plenty of other fuses in this system
however.

Horn does not work, possibly a loose wire--there is a dangling wire, can't
see where it goes.
Mention this because this loose wire is also right next to what looks like
the A/C condenser, and possibly may not be for the horn.
Also don't see a horn fuse. I see a horn relay in a fuse block under the
hood, but no fuse.

There are fuses in the engine compartment box AND in the box up above
the driver's knee bolster or left kickpanel area. Look both places.

The wire near the condenser should not be A/C related on a Corolla-
sortof-kindof. It is likely a broken wire to the horn. The important
A/C switches and wiring underhood for Corolla-sortofs are in the high
pressure line near the firewall where it goes into the evaporator. I
have seen broken wiring in this area on several different bodystyles
of the early 1990's era Corolla. Broken wire(s) here can cause
constant A/C fan operation or no A/C depending on which circuit is
open.

Am still looking for the low pressure switch, mentioned to me in another
thread, to jump out. How do I recognize this?

There's a two wire "dual pressure switch" and a high pressure fan
switch on the high line (depending on your vehicle), and it's where I
specified above on old Corollas.

The A/C compressor looks to be under the alternator, w/ one wire (that I
can
see) going to it. Sort of loose, think I snugged it in.
Don't see any other wires, looking from the top, hoping to find the wires
that activate the A/C clutch.

Both radiator fans click on/off, as car idles in hot weather.

If I could SEE where *** was, I'd have a better shot at sleuthing the
problem.

There is very little of the A/C electrical system on Corollas that is
hard to see. You may be looking to make it harder. Investigate a
wiring diagram before proceeding if you want to make things easier.

Toyota MDT in MO



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