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part identification |
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phordnut 
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Joined: 13-April-2004 Location: Waukesha, WI Status: Offline Points: 136 |
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 Topic: part identificationPosted: 14-December-2018 at 10:55AM |
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Is this a temperature sensor? Theres one inside the air cleaner assembly and then this one in front of the radiator. I never paid much attention to it before but when I was reinstalling the wiring harness for the lights I decided to find out for certain. It had a black coating on the disc (paint?) that was mostly worn off.
Allen 
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californiajohnny
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Joined: 05-October-2013 Location: winlock, wa Status: Offline Points: 14609 |
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Posted: 14-December-2018 at 11:46AM |
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it's some kind of ambient air temp sensor has to do with A/C cars, exactly what it does IDK?
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JOHN
74 GRAN TORINO S&H CLONE 74 VETTE CUSTOM 90 S10 BLAZER 4X4 LIFTED 77 CELICA CUSTOM 75 V8 MONZA SUPERCHARGED 79 COURIER VERT. SLAMMED 75 VEGA V6 5 SPD 70 CHEV C10 P/U 68 MUSTANG FB CONVERSION |
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aquartlow
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Joined: 19-December-2011 Location: Summerfield, Fl Status: Offline Points: 2271 |
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Posted: 14-December-2018 at 1:06PM |
John, You nailed it, it is an ambient temperature sensor for the A/C system. Basically when you place the HVAC control panel to turn on A/C, it passes the 12v signal to the A/C compressors clutch to engage it when ambient temps are above 50' F (IIRC), below that temp the sensor will not pass 12V on to the compressor clutch due to system freeze-up issues. When the sensor goes bad it usually ends up in the open position, so no 12V signal passes through it.
Edited by aquartlow - 14-December-2018 at 1:09PM |
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www.supermotors.net/22468
Yeah, It's a Hybrid...It burns gas and tires. No matter how good she looks, somebody, somewhere, is tired of her sh*t. Beauty is skin deep, ugliness goes clear to the bone. |
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phordnut
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Joined: 13-April-2004 Location: Waukesha, WI Status: Offline Points: 136 |
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Posted: 14-December-2018 at 1:36PM |
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Thanks. Never had a clue what it did. Now after 36 years I know.
Allen |
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californiajohnny wrote: