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  #1  
Old 03-11-2015
bluebird62014 bluebird62014 is offline
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Join Date: Jan 2008
Location: bunker hill
Posts: 112
Default 1999 LX Dash airconditioner

Starting to go over my inop item's list from last fall and one of them is the Dash air is not working. When I turn it on I have no power to the compressor on the engine so the compressor clutch does not engage. I believe it to be protected by a 30 amp. fuse. question is does anyone know where this fuse is located? Checking the load compartment's I don't see any fuse for the AC. On my 85 and 93 I believe the fuse was located in line close to the compressor, but, I don't see it on this one. Thanks......Remember, it's an LX
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Bob & Carol Howald
1999 LX 450M11
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  #2  
Old 03-12-2015
Charlie Vaughn Charlie Vaughn is offline
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Location: Mount Airy
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Default Chassis AC

The breaker for the chassis AC is in the drivers side compartment with all other chassis electrical fuses and breakers. If the fan blows the breaker is good. There are two other switches under the dash that control power to the compressor. One is the temperature control and the other is the low pressure freon cut off. Either of these will not allow power to the compressor. Sometimes butt connectors in that area fail creating the same fault. You will have to remove the breaker panel at the passenger foot to get in the area I describe.
Hope this helps.
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Charlie Vaughn
1999LXi
Mount Airy,North Carolina
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  #3  
Old 03-12-2015
bluebird62014 bluebird62014 is offline
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Charlie: I see a 30 amp spade fuse in the lower left outside electrical compartment, this fuse is ok. I'am not sure what your refering to (switch's) that are located in the lower right electrical panel by passenger's feet. What I see in this compartment appear to be all spade fuses, or resetable fuses.

Thanks, Bob
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Bob & Carol Howald
1999 LX 450M11
Bunker Hill, Il.
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  #4  
Old 03-12-2015
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susanmarycamilleri susanmarycamilleri is offline
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You can almost bet it is because the system has lost it's refrigerant. If you jump the pressure switch on the line, and the compressor starts, it is low in pressure (refrigerant.)
I fixed mine three years ago.
I paid a shop to "fix" mine 4 years ago, it lasted 3 weeks, so I did it myself.

-replaced all the "O" rings I could get at.
- bought gauges from harbour freight
-bought a vacuum pump from harbour freight
- ordered refrigerant online
-replaced expansion valve
-replaced dryer
-bought a new compressor online

Took a fair bit of time to replace the O rings, but I think that, and the seal on the compressor, were the problems.

Good luck.
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Peter Haggins
Courtenay, BC
Canada
96wb42
Mid Door
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  #5  
Old 03-12-2015
Charlie Vaughn Charlie Vaughn is offline
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Default Chassis AC

I use the term switch as any device that opens or closes a circuit. i.e. thermostat or pressure.
The condenser where the temp switch and thermostat is behind the electrical panel at the passenger foot. There are five screws to remove it or layout down to get to the switches.
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1999LXi
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  #6  
Old 03-12-2015
bluebird62014 bluebird62014 is offline
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Ok, thanks. I've attempted to get that front panel to lay down or push back into the space but have never been successful. Always seems that the hole is too small or the wires are too tight. Thanks, Bob
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Bob & Carol Howald
1999 LX 450M11
Bunker Hill, Il.
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  #7  
Old 03-13-2015
Mallie Lennon's Avatar
Mallie Lennon Mallie Lennon is offline
1995 WB 42’ Series 60
 
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Location: Eufaula
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Quote:
Originally Posted by susanmarycamilleri View Post
You can almost bet it is because the system has lost it's refrigerant. If you jump the pressure switch on the line, and the compressor starts, it is low in pressure (refrigerant.)
I fixed mine three years ago.
I paid a shop to "fix" mine 4 years ago, it lasted 3 weeks, so I did it myself.

-replaced all the "O" rings I could get at.
- bought gauges from harbour freight
-bought a vacuum pump from harbour freight
- ordered refrigerant online
-replaced expansion valve
-replaced dryer
-bought a new compressor online

Took a fair bit of time to replace the O rings, but I think that, and the seal on the compressor, were the problems.

Good luck.
You may have already checked it, but if not,,, Check the pressure switch before you start looking for a fuse, easy to find and easy to ck.
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Mallie & Karen Lennon
Eufaula, Oklahoma
95 42' Wanderlodge
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Mallie@EuLake.com
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