What is this AC part? Thermal Switch? - Team Camaro Tech
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post #1 of 5 (permalink) Old Nov 4th, 10, 02:51 AM Thread Starter
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Mike
 
Join Date: Sep 2009
Location: Valparaiso, In
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What is this AC part? Thermal Switch?

Bought this ac box and cant figure out what this part is and what it is wired to. Looks like some type of thermal switch. I have a 67 and am reinstalling the ac this winter, did I buy the right ac box?

Mike
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ML67
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post #2 of 5 (permalink) Old Nov 4th, 10, 04:11 AM
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Mike
 
Join Date: Feb 2006
Location: Maryland
Posts: 179
Re: What is this AC part? Thermal Switch?

It is the ambient switch (GM 3917359) and it connects to the AC Wiring Harness. Looks like the correct box for a small block.

Mike
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post #3 of 5 (permalink) Old Nov 4th, 10, 12:57 PM Thread Starter
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Mike
 
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Location: Valparaiso, In
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Re: What is this AC part? Thermal Switch?

Thanks Mike, it seems that this amient switch was first used in 68 since mine is a 67 the wiring is not there. Does this switch get wired inline to the compressor so if the temp is to cold "lack of airflow" the compressor shuts off? Any 68+ a/c wiring diagrams out there?

Thanks

ML67
 
post #4 of 5 (permalink) Old Nov 5th, 10, 01:52 PM
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Fred
 
Join Date: Nov 2006
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Re: What is this AC part? Thermal Switch?

Mike, are you looking to have a working system or are those parts for show? AC is a challenge with new parts, much less with 43 year old stuff. This post is too short for you to read between the lines so I'll just say "dirt".

One owner 69 Camaro,(yep, bought it new
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post #5 of 5 (permalink) Old Nov 5th, 10, 05:50 PM
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Mike
 
Join Date: Feb 2006
Location: Maryland
Posts: 179
Re: What is this AC part? Thermal Switch?

Classic Auto Air in Tampa can rebuild all of the original AC parts, including POA Valve, Dryer, Expansion Valve, Compressor and Evaporator/Condensor. Rebuilt my entire system but its still boxed waiting to go on the car.

Mike
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