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NG900 & OG9-3 Workshop NG900 (1994 to 1998) & OG9-3 (1999-2002) & '03 Convertible Technical Forum

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Old 1st June 2007
CodeSplice CodeSplice is offline
Junior Member
Join Date: Jul 2005                                                
Location: Alabama
My Saabs: 2001 Nordic Stage 3 9-3S
Posts: 9
Default A/C Thermoswitch Bypass?

My A/C has been inop for a while, and now that summer is here in Alabama it is less than pleasant. I've been through a series of troubleshooting steps and believe that I have narrowed the problem down to the thermoswitch on the compressor.

(On a related note, I recently received a P0119 trouble code for an intermitten fault with the Engine Coolant Temperature sensor - WIS said that another symptom could be a malfunctioning A/C so I went ahead and replaced the ECT sensor today with no luck)

It is my understanding that the thermoswitch was a separate unit on the NG900s, but that it is a part of the compressor on OG9-3's such as mine. Is there a way to bypass/hotwire the thermoswitch? Or will I be forced to shell out $$$ for a new compressor due to a single faulty electrical component?

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