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1996 Pace Arrow A/C Question/Help

DewLess
Explorer
Explorer
96 PA that a/c has quit. Working perfectly before fueling up and then failure for rest of trip. Had a remainder of a/c pro can to apply refge fill. Gauge read to stop because compressor is not working. Attached is a picture of suspected parts which I suspect after checking wiring for rodent meals. local cannot get to next week late
I do know function of these 2 pressure switches
Can anyone help ?.
9 REPLIES 9

DewLess
Explorer
Explorer
Lwiddis wrote:
Twenty-three year old A/C? Replace all components IMO.

At 23 years old does not mean all parts are original, The Old Girl has been nice to me,

DewLess
Explorer
Explorer
RLS7201 wrote:
You have a Denso HVAC system. In the link click on downloads for wiring prints.

Also in that era of Ford chassis, Ford left a connection for the AC behind the dash, up high. Fleetwood put an inline 20 amp fuse on that wire for the AC.

If you need to get into the heater/AC compartment, just look for the 4 screws in the kick panel forward of the passengers feet.


Richard


THX Richard for the link, those schematics are what I was needing. Some honey doos have come up with mh goin on back burner. Not so bad I suppose with house A/C going.

RLS7201
Explorer II
Explorer II
Lwiddis wrote:
Twenty-three year old A/C? Replace all components IMO.


Nice to see a little humor on the forum.

Richard
95 Bounder 32H F53 460
2013 CRV Toad
2 Segways in Toad
First brake job
1941 Hudson

RLS7201
Explorer II
Explorer II
You have a Denso HVAC system. In the link click on downloads for wiring prints.

Also in that era of Ford chassis, Ford left a connection for the AC behind the dash, up high. Fleetwood put an inline 20 amp fuse on that wire for the AC.

If you need to get into the heater/AC compartment, just look for the 4 screws in the kick panel forward of the passengers feet.


Richard
95 Bounder 32H F53 460
2013 CRV Toad
2 Segways in Toad
First brake job
1941 Hudson

DewLess
Explorer
Explorer
Very good information so far, I must have a switch/sensor further up-line to cut power to pressure sensor . I have no voltage at sensor plugs nor does a/c button on dash control thus thinkin of mouse food. Access to heater box is next step to find a switch

Chrisatthebeach
Explorer
Explorer
The one on the left appears to be the low pressure switch.
Unplug and jump the two with a paperclip, that will make the compressor start and the refrigerant will fill.
Just because it is old does not mean it all needs replacement, I use a 1996 Explorer as my beater and it still has cold air at 300k miles.
Chris & Dianne
Jayco Designer 3110 SOLD 6-11-2016, looking for the next one.
F250 PSD 4x4 Crew Cab

haydoracin
Explorer
Explorer
Ava wrote:
One or the other look like a low pressure switches. If it detects low pressure, the compressor will not engage so as to not damage it. You can jump the wires together on a low pressure switch for a moment and if the compressor engages, the system needs recharging. Hope that is a start for you


On my 1995 Chevy Blazer when the mechanic jumpered across the pressure switch with a paper clip and the compressor started he replaced the switch. Working fine since then.
Hayden & Jan
1994 Southwind 33L P-Chassis 454
2006 Chevrolet HHR
OTY (Mini Dachsund)

Ava
Explorer
Explorer
One or the other look like a low pressure switches. If it detects low pressure, the compressor will not engage so as to not damage it. You can jump the wires together on a low pressure switch for a moment and if the compressor engages, the system needs recharging. Hope that is a start for you

Lwiddis
Explorer II
Explorer II
Twenty-three year old A/C? Replace all components IMO.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad