Ambient sensor/switch - Pontiac GTO Forum
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post #1 of 4 (permalink) Old 07-29-2013, 06:19 PM Thread Starter
 
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Ambient sensor/switch

I have a 1969 custom s and the ambient switch for AC went out. Does anybody know where you can get one or what other years would be compatible for my car?

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post #2 of 4 (permalink) Old 07-16-2014, 08:36 AM
 
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A/C Ambient (Temperature) Switch...

I have a 1969 GTO with an A/C Ambient (temperature) Switch located on the top right side of the cowl, near the right hood hinge. Asked a lot of parts houses and finally got some information from a local GM dealer that it was described as above. GM parts guy tells me it was discontinued in the 70's, but they did give me a GM part no. 3917359, according to his books, assuming that does any good. Called Ames Performance and they tell me I'm the first one to ever ask for one. Obviously, they don't have one either. Two wires hook into this so called switch. I'm a little puzzled how to tell if it's even bad to begin with. I did an ohm test and the circuit is closed in the switch. Laid it in ice cubes and even put a light amount of heat to it and the circuit is stays closed. Assume it might be bad? Supposedly no one has it available. Can someone enlighten me a little ????

Searched the Forum and this is the only comment (without reply's) I could find about one... seems I'm not the only one. confused:

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Originally Posted by theheed08 View Post
I have a 1969 custom s and the ambient switch for AC went out. Does anybody know where you can get one or what other years would be compatible for my car?

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post #3 of 4 (permalink) Old 07-16-2014, 12:57 PM
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If a guy knew what values it was suppose to have, wonder if you could find a fuel injection ambient temp sensor that matches those values and mod the wiring??
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post #4 of 4 (permalink) Old 09-11-2019, 02:01 PM
 
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ambient temp switch

Were you successful in finding a supplier - am in need of one as well for 69 but I found part# 9792638 in a manual - hasn't helped much on search though.
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Technical and Electrical Wiring

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