INOP Susp Dump Switch - 87FC35

[Alan]

I think the system on my 87FC35 may be a little unique. Here it is:

1. It has an air leveling system. (It's great. I never use the HWH
Jacks).
2. The Susp Dump Switch on my DASH doesn't work.
3. The levers for my HWH Jacks are just outside the door in a
compartment. There is ALSO a susp dump switch inside this door. THIS
SWITCH WORKS.
4. I need to Dump the system before I use my air leveling system, and
it's always a hassle to go outside to dump it before I go back in and
push the air levelers on the dash.
5. I assume (perhaps incorrectly) that since there are two susp dump
switches, they work kind of like a 3-way light switch in your house
works. ...And therefore either my dash switch is out, or there is a
problem with the wire from my dash switch to where ever it goes.

Here's what I DON"T know:
1. When you flip the Susp Dump switch, what happens. Does it send 12
volts to some air switch? Does is complete a circuit for some air
switch (ground)?
2. Where are the air release valve(s) for the suspension.
3. Is there a controller for the air release valves. ie. Where does
the wire from my dash switch go?
4. Is there supposed to be 12 volts at my switch?

Even with wiring diagrams, I've pretty much given up on trying to
trace wires. Using tracers and the diagrams, I've never been able to
trace one.

I can do some basic electrical testing with a Fluke multimeter, if I
know what to look for.

Thanks for your help!
Alan
87FC35

[Ron Hazlett]

Alan,
I'm was hoping you would get an answer to your question. I have the
same problem. Both of my Susp Dump Switches are not working. The
switch at the outside door has voltage, I have not pulled dash to
check the inside switch. I am not sure if I am looking for an air
pilot-operated valve (not sure what that looks like) or a bad
solenoid. I tried toning out wires, but no luck. I hope someone
chimes in,as I feel uncomfortable using the bus when things are not
operating as they should.

Ron Hazlett
Toledo, Ohio
1987 FC


In WanderlodgeForum@yahoogroups.com, "Alan"
wrote:
>
> I think the system on my 87FC35 may be a little unique. Here it is:
>
> 1. It has an air leveling system. (It's great. I never use the HWH
> Jacks).
> 2. The Susp Dump Switch on my DASH doesn't work.
> 3. The levers for my HWH Jacks are just outside the door in a
> compartment. There is ALSO a susp dump switch inside this door.
THIS
> SWITCH WORKS.
> 4. I need to Dump the system before I use my air leveling system,
and
> it's always a hassle to go outside to dump it before I go back in
and
> push the air levelers on the dash.
> 5. I assume (perhaps incorrectly) that since there are two susp dump
> switches, they work kind of like a 3-way light switch in your house
> works. ...And therefore either my dash switch is out, or there is a
> problem with the wire from my dash switch to where ever it goes.
>
> Here's what I DON"T know:
> 1. When you flip the Susp Dump switch, what happens. Does it send 12
> volts to some air switch? Does is complete a circuit for some air
> switch (ground)?
> 2. Where are the air release valve(s) for the suspension.
> 3. Is there a controller for the air release valves. ie. Where does
> the wire from my dash switch go?
> 4. Is there supposed to be 12 volts at my switch?
>
> Even with wiring diagrams, I've pretty much given up on trying to
> trace wires. Using tracers and the diagrams, I've never been able
to
> trace one.
>
> I can do some basic electrical testing with a Fluke multimeter, if I
> know what to look for.
>
> Thanks for your help!
> Alan
> 87FC35
>

[Curt Sprenger]

Ron, Alan,

A thought here...are your coaches equipped with the Clippard
12V/pneumatic switches? Our '87 PT has 6 of them. One each for sure work
with the two dash suspension up/down switches. I've replace a few of
them over the past 2-1/2 years. On our coach the Clippard units are
located directly behind the drivers front vent. With the front vent open
and running down the road, they get road debris piled on the the top of
the breathers and they either stop working or give an intermittent
failure when airing the suspension up/down.

.Curt Sprenger

1987 PT38 8V92 "MacAttack Racing"
Anaheim Hills, Calif.



Ron Hazlett wrote:

> Alan,
> I'm was hoping you would get an answer to your question. I have the
> same problem. Both of my Susp Dump Switches are not working. The
> switch at the outside door has voltage, I have not pulled dash to
> check the inside switch. I am not sure if I am looking for an air
> pilot-operated valve (not sure what that looks like) or a bad
> solenoid. I tried toning out wires, but no luck. I hope someone
> chimes in,as I feel uncomfortable using the bus when things are not
> operating as they should.
>
> Ron Hazlett
> Toledo, Ohio
> 1987 FC
>
>
> In WanderlodgeForum@yahoogroups.com
> , "Alan"
> wrote:
> >
> > I think the system on my 87FC35 may be a little unique. Here it is:
> >
> > 1. It has an air leveling system. (It's great. I never use the HWH
> > Jacks).
> > 2. The Susp Dump Switch on my DASH doesn't work.
> > 3. The levers for my HWH Jacks are just outside the door in a
> > compartment. There is ALSO a susp dump switch inside this door.
> THIS
> > SWITCH WORKS.
> > 4. I need to Dump the system before I use my air leveling system,
> and
> > it's always a hassle to go outside to dump it before I go back in
> and
> > push the air levelers on the dash.
> > 5. I assume (perhaps incorrectly) that since there are two susp dump
> > switches, they work kind of like a 3-way light switch in your house
> > works. ...And therefore either my dash switch is out, or there is a
> > problem with the wire from my dash switch to where ever it goes.
> >
> > Here's what I DON"T know:
> > 1. When you flip the Susp Dump switch, what happens. Does it send 12
> > volts to some air switch? Does is complete a circuit for some air
> > switch (ground)?
> > 2. Where are the air release valve(s) for the suspension.
> > 3. Is there a controller for the air release valves. ie. Where does
> > the wire from my dash switch go?
> > 4. Is there supposed to be 12 volts at my switch?
> >
> > Even with wiring diagrams, I've pretty much given up on trying to
> > trace wires. Using tracers and the diagrams, I've never been able
> to
> > trace one.
> >
> > I can do some basic electrical testing with a Fluke multimeter, if I
> > know what to look for.
> >
> > Thanks for your help!
> > Alan
> > 87FC35
> >
>
>

[Alan]

Curt, Thanks for the reply. I don't know if my FC has any clippards
(other than the ones that operate the driving lights, and i'm not sure
that is even the same thing you mentioned, but i don't think so.)

Ron, I haven't had any other responses yet on how that susp dump
switch works on the FC. I'll let you know if anyone knows.

Thanks,
Alan




--- In WanderlodgeForum@yahoogroups.com, "Ron Hazlett"
wrote:
>
> Alan,
> I'm was hoping you would get an answer to your question. I have the
> same problem. Both of my Susp Dump Switches are not working. The
> switch at the outside door has voltage, I have not pulled dash to
> check the inside switch. I am not sure if I am looking for an air
> pilot-operated valve (not sure what that looks like) or a bad
> solenoid. I tried toning out wires, but no luck. I hope someone
> chimes in,as I feel uncomfortable using the bus when things are not
> operating as they should.
>
> Ron Hazlett
> Toledo, Ohio
> 1987 FC
>
>
> In WanderlodgeForum@yahoogroups.com, "Alan"
> wrote:
> >
> > I think the system on my 87FC35 may be a little unique. Here it is:
> >
> > 1. It has an air leveling system. (It's great. I never use the HWH
> > Jacks).
> > 2. The Susp Dump Switch on my DASH doesn't work.
> > 3. The levers for my HWH Jacks are just outside the door in a
> > compartment. There is ALSO a susp dump switch inside this door.
> THIS
> > SWITCH WORKS.
> > 4. I need to Dump the system before I use my air leveling system,
> and
> > it's always a hassle to go outside to dump it before I go back in
> and
> > push the air levelers on the dash.
> > 5. I assume (perhaps incorrectly) that since there are two susp dump
> > switches, they work kind of like a 3-way light switch in your house
> > works. ...And therefore either my dash switch is out, or there is a
> > problem with the wire from my dash switch to where ever it goes.
> >
> > Here's what I DON"T know:
> > 1. When you flip the Susp Dump switch, what happens. Does it send 12
> > volts to some air switch? Does is complete a circuit for some air
> > switch (ground)?
> > 2. Where are the air release valve(s) for the suspension.
> > 3. Is there a controller for the air release valves. ie. Where does
> > the wire from my dash switch go?
> > 4. Is there supposed to be 12 volts at my switch?
> >
> > Even with wiring diagrams, I've pretty much given up on trying to
> > trace wires. Using tracers and the diagrams, I've never been able
> to
> > trace one.
> >
> > I can do some basic electrical testing with a Fluke multimeter, if I
> > know what to look for.
> >
> > Thanks for your help!
> > Alan
> > 87FC35
> >
>