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Air conditioner/temp gauge...shutting on and off

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Old 08-31-2013, 07:55 PM
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Question Air conditioner/temp gauge...shutting on and off

While driving my f150 with air conditioning... both the temp gauge will stop working (needle drop) and the air conditioner will stop blowing cold air(and start blowing warm air) simultaneously, then both will start working again (needle will register temp and the air will be cool air).and then off again within period of minutes or less...sometimes longer to start working again. If I turn off the Air conditioner the temp gauge will continue to vascillate on and off.
Old 08-31-2013, 07:59 PM
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Sounds like you might have a short. Check your external coolant sensor to see if you have any frayed wiring...
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Old 09-01-2013, 10:59 AM
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Originally Posted by alsatropine
Sounds like you might have a short. Check your external coolant sensor to see if you have any frayed wiring...
Is the external coolant sensor located on the motor behind the thermostat?
Old 06-23-2014, 12:38 PM
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Did you ever figure out your issue. I am having the same problem. All my gauges stop working and the AC stops blowing cold air. also noticed when this happens i hear a click in my brake pedal. I have checked fuses and bought a new battery. Any suggestions on how all these are connected?
Old 08-04-2014, 09:25 PM
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Mine is doing the same any ideas?



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