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  1. #1
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    TrailblazerSS problem

    The temp gauge on my 08 Trailblazer SS is reading cold even after running down the interstate and the check gauges light is on. I'm going to take a guess and say it's the sending unit for the temp gauge. Can someone tell me where that sending unit is located?
    Thanks!

  2. #2
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    Left front of engine in the cyl head. Should be right at the #1 spark plug area.

  3. #3
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    Quote Originally Posted by J Lamb View Post
    Left front of engine in the cyl head. Should be right at the #1 spark plug area.
    Thats exactly where it was! I bought a new one at Discount auto parts ($22.-) and put it in and nothing changed. I then unhooked the battery and it must have cleared the code or something cause when I reconnected the battery and started it back up, the gauge worked and the A/C that went off when the check gauges light came on started working again.

    I hope this thread is helpful to others as there are more than a few people on here that have these trucks.

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