jeff mazur

thermometer mirror

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i have a nos buick mirror with a thermometer built into it. the part has a temp sensor on the end of a cable. my question is where does the temp sensor go when i install the mirror

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the mirror i have was from an old buick dealership it says its late 60s early 70s buick.  the temp sensor wont get from my door to the grill

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I believe you are talking about the fiber optic cable.  The cable connected to a bulb with a special socket inside the door.  It illuminated the thermometer when the park or headlamps were on.  There was no temperature sensor for the mirror.  My experience was with Oldsmobile.  Buick was probably the same.

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If you shine a bright light on the cable end while in an area not getting direct light you should see some illumination of the temp gage if indeed it is a fiber optic cable.  The glass like fibers in the cable will “carry” the light to its destination.

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