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External Temperature Gauge/Thermometer

Discussion in '1st Gen. Tacomas (1995-2004)' started by RubyTheRedTaco, Mar 4, 2019.

  1. Mar 4, 2019 at 4:44 PM
    #1
    RubyTheRedTaco

    RubyTheRedTaco [OP] Well-Known Member

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    Hi guys,

    I'm a new member that just joined this evening. I must say, the recommendations, information, and overall community here was a huge reason why I purchased a 1st gen Taco back in November! But on to the point of this post...

    It's winter time in NH and not having an external temp gauge is a bit of an inconvenience with icy snowy roads. I'm wondering if anybody has any recommendations? Should I buy a digital one or maybe just get a small zipper-pull type thermometer and mount it next to the mirror? Ideally I'm not looking to spend a whole lot of money.

    Any advice would be helpful and if there's already been a forum posted about this, I apologize.

    Thanks!
     
  2. Mar 4, 2019 at 5:16 PM
    #2
    jeg0005

    jeg0005 Well-Known Member

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    I live down south, so forgive me for not understanding why you'd need to monitor the external temp closely. But why can't you just look on your phone?

    Edit: I guess I should add something constructive to this post. I've seen people do rear view mirror mods that had the external temp on it.
     
  3. Mar 4, 2019 at 5:35 PM
    #3
    0xDEADBEEF

    0xDEADBEEF This statement is false.

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  4. Mar 4, 2019 at 5:45 PM
    #4
    DW85

    DW85 Dude.....

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  5. Mar 4, 2019 at 5:59 PM
    #5
    RubyTheRedTaco

    RubyTheRedTaco [OP] Well-Known Member

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    It's not a necessity to know the external temp but it's helpful, especially during the winter, for monitoring the formation of bad road conditions like black ice. And yes you can look at your phone but the temperature varies locally and it would be nicer to have something that stays in/with the truck all the time. I'll look into the rear view mirror mods, thanks!


    That looks pretty awesome, temp and a compass, thanks!
     
  6. Mar 4, 2019 at 6:06 PM
    #6
    RubyTheRedTaco

    RubyTheRedTaco [OP] Well-Known Member

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    Unfortunately I have an iPhone but that unit seems pretty slick
     
  7. Mar 4, 2019 at 6:07 PM
    #7
    jeg0005

    jeg0005 Well-Known Member

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    I have a scanguage2 which measures the same thing, I believe.
     
  8. Mar 4, 2019 at 6:09 PM
    #8
    DW85

    DW85 Dude.....

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    Fortunately they make a version for iPhone as well.
     
  9. Mar 4, 2019 at 6:14 PM
    #9
    RubyTheRedTaco

    RubyTheRedTaco [OP] Well-Known Member

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    I figured they must also have an iPhone version, thanks.

    I'm thinking for the time being I might just get something cheap like this and wire it through the firewall and attach the probe somewhere up front away from the engine, maybe behind the grill or inside the front bumper?

    https://www.amazon.com/gp/product/B000PAQ32O/ref=ox_sc_act_title_1?smid=ATVPDKIKX0DER&psc=1
     
  10. Mar 4, 2019 at 6:22 PM
    #10
    DW85

    DW85 Dude.....

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    That would work I guess.
     
  11. Mar 4, 2019 at 6:52 PM
    #11
    Brokebrute

    Brokebrute Well-Known Member

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  12. Mar 5, 2019 at 1:10 PM
    #12
    RubyTheRedTaco

    RubyTheRedTaco [OP] Well-Known Member

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  13. Mar 5, 2019 at 1:56 PM
    #13
    jbrandt

    jbrandt ......LOADING

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    My knuckles on the side window always work well.

    Hopefully you wouldn't be relying on a temp gauge to tell if it's icy or not. Temp gauges are merely a convenience, and IMO you shouldn't be relying on them for knowing if the roads are icy. The one in my 4Runner warns me of icy conditions up to 39 degrees (safety factor). I've also been in plenty of sub 32 degree weather with non-icy roads, too.

    Your driving style shouldn't really change just because the gauge shows 3 degrees warmer.
     
  14. Mar 5, 2019 at 2:04 PM
    #14
    BartMaster1234

    BartMaster1234 American Auto Horns

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    The Gentex mirror is perfect for this exact purpose.
    3r43r434r.jpg
     
  15. Mar 5, 2019 at 4:05 PM
    #15
    Old n' slow

    Old n' slow Well-Known Member

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  16. Mar 5, 2019 at 4:09 PM
    #16
    Bigal90

    Bigal90 Well-Known Member

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    Yes, relying on intuition is much better than science.
     
  17. Mar 5, 2019 at 4:36 PM
    #17
    jbrandt

    jbrandt ......LOADING

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    As a scientist, I know a little something about data.

    Relying on incomplete data, even if that data is accurate, doesn't give the whole picture, either.

    If you want to accurately rely on science, you need to measure the current and recent surface temps of the road, specific heat capacity of the road surface, solar intensity, relative humidity, dew point, etc... A simple temp reading from your car isn't going to tell you if there is ice on the road.
     
  18. Mar 5, 2019 at 4:50 PM
    #18
    86250rrippin

    86250rrippin Well-Known Member

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    What a gem. Do you set a biological alarm clock for getting up for work in the AM or PM, because you dont trust alarms ? . My objective data tells me you like to argue to let us know you think your degree is important . For christs sake , the guy just wants to know if its above or below freezing or a close guess as to the temp. I dont think its necessary to bring in all your test equipment to do this . I am reading this thread because my temp guage is not functional and wanted to learn something . Why are you here ?
     
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  19. Mar 5, 2019 at 5:03 PM
    #19
    jbrandt

    jbrandt ......LOADING

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    Calm down buddy. Sit down.

    I was merely responding to a comment about using "science". If you *really* want to use science, use all of it, not just a single data point. Do you get offended if a mechanic chimes in about a mechanical issue? :rolleyes: Why so butt hurt about me saying I'm a scientist (which is a job description, not a level of education)?

    I started by saying we should be cautious about using a vehicle temp gauge as THE factor for determining if the road will be icy. If you do that, you WILL be wrong. I have seen numerous threads relating to the issue of "too much information" like someone freaking out over a 5 degree coolant temp change after they installed a scangauge. This is similar to that. a 2 or 3 degree swing from your car will not mean the difference between an icy road and a clear road.

    In fact, it is better to use intuition in this case, since the data you are being given is not representative of the conditions that cause icy roads. Your intuition is a combination of many things, whereas the temp gauge is a single data point.
     
  20. Mar 5, 2019 at 5:16 PM
    #20
    86250rrippin

    86250rrippin Well-Known Member

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    No offense at all . I am a mechanic as well ,industrial electrician. But if you ever rode motorcycles ,you would know the drastic weather changes that occur from one area to the next. Sometimes less than a mile apart. The temp sensor is not a bad thing , seems more accurate than a knuckle on the side glass. When was the last time you had your knuckle calibrated ? :)
     
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