Here are the pics of the gauge. I ordered this one from JC Whitney and it looks goofy. There are better looking ones at Kmart.

http://a5.cpimg.com/image/DF/83/7122...-028001E0-.jpg

If you put the time into it, you can do a better job of wiring the outside sensor to your left front fender. I found that the fender was the best place to get the right reading for the outside air. I tried placing it within the door sills and it gave me the wrong readings all the time.

http://a3.cpimg.com/image/DD/83/7122...-028001E0-.jpg

 

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I got one from Radio Shack and mounted it above my ash tray. I put the sensor near my intake to monitor intake temps. I find that mounted that low the indoor temp is usually a few degrees off. But it shows temp trends well.

 

Thats a good place to put it. How is it protected from water though?