Make sure your low pressure cutoff switch is not open This switch protects
the compressor should there be a loss of refridgerant. You can by pass this
switch for testing but only for a few seconds to see it the compressor
starts.

"F. Robert Falbo" <rfalbo1@twcny.rr.com> wrote in message
news:pan.2004.07.05.14.21.33.540493@twcny.rr.com.. .
> On Sun, 04 Jul 2004 21:00:23 -0500, robbin.olson wrote:
>
> > I tried both switches with no change. Is there any way to run 12V
> > directly to the clutch from the battery? Would I need to be concerned
> > about polarity? THANKS!
>
> Yes, you'll need to check to see which one is connected to the body of the
> compressor and which one goes to the clutch coil. When you're sure you've
> got the one to the clutch, connect it to 12V while the engine is running,
> and the compressor should start. If it doesn't, you've either got a bad
> ground (not too likely) or bad compressor clutch. If it doesn't start,
> connect a jumper from the frame to the body of the compressor and try it
> again. No start = no clutch. If it started with just the 12V, you can
> backtrack through the system via the compressor relay, etc. (Jeep's
> wiring seems a bit convoluted, but Bill's wiring diagram should
> make it fairly easy if you are good at schematics.)
>
> --
>
> -bob-
> _______________________________________
> SuSE Linux Pro 9.1

 

Make sure your low pressure cutoff switch is not open This switch protects
the compressor should there be a loss of refridgerant. You can by pass this
switch for testing but only for a few seconds to see it the compressor
starts.

"F. Robert Falbo" <rfalbo1@twcny.rr.com> wrote in message
news:pan.2004.07.05.14.21.33.540493@twcny.rr.com.. .
> On Sun, 04 Jul 2004 21:00:23 -0500, robbin.olson wrote:
>
> > I tried both switches with no change. Is there any way to run 12V
> > directly to the clutch from the battery? Would I need to be concerned
> > about polarity? THANKS!
>
> Yes, you'll need to check to see which one is connected to the body of the
> compressor and which one goes to the clutch coil. When you're sure you've
> got the one to the clutch, connect it to 12V while the engine is running,
> and the compressor should start. If it doesn't, you've either got a bad
> ground (not too likely) or bad compressor clutch. If it doesn't start,
> connect a jumper from the frame to the body of the compressor and try it
> again. No start = no clutch. If it started with just the 12V, you can
> backtrack through the system via the compressor relay, etc. (Jeep's
> wiring seems a bit convoluted, but Bill's wiring diagram should
> make it fairly easy if you are good at schematics.)
>
> --
>
> -bob-
> _______________________________________
> SuSE Linux Pro 9.1

 

Make sure your low pressure cutoff switch is not open This switch protects
the compressor should there be a loss of refridgerant. You can by pass this
switch for testing but only for a few seconds to see it the compressor
starts.

"F. Robert Falbo" <rfalbo1@twcny.rr.com> wrote in message
news:pan.2004.07.05.14.21.33.540493@twcny.rr.com.. .
> On Sun, 04 Jul 2004 21:00:23 -0500, robbin.olson wrote:
>
> > I tried both switches with no change. Is there any way to run 12V
> > directly to the clutch from the battery? Would I need to be concerned
> > about polarity? THANKS!
>
> Yes, you'll need to check to see which one is connected to the body of the
> compressor and which one goes to the clutch coil. When you're sure you've
> got the one to the clutch, connect it to 12V while the engine is running,
> and the compressor should start. If it doesn't, you've either got a bad
> ground (not too likely) or bad compressor clutch. If it doesn't start,
> connect a jumper from the frame to the body of the compressor and try it
> again. No start = no clutch. If it started with just the 12V, you can
> backtrack through the system via the compressor relay, etc. (Jeep's
> wiring seems a bit convoluted, but Bill's wiring diagram should
> make it fairly easy if you are good at schematics.)
>
> --
>
> -bob-
> _______________________________________
> SuSE Linux Pro 9.1