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Temp Gauge - Opinions wanted

Discussion in '2nd Gen. Tacomas (2005-2015)' started by coppert, Aug 17, 2008.

  1. Aug 17, 2008 at 4:41 AM
    #1
    coppert

    coppert [OP] Mall Krawler

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    So I have read about needing to re-solder the board to get the temp guage working again(it's not worked since I got the truck). I take the console out and it looks like the display is burned out. There is a small grey mark in the upper left corner of the display. What do you all think, am I in need of a replacement?

     
  2. Aug 17, 2008 at 4:57 AM
    #2
    45longcolt

    45longcolt Well-Known Member

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    Look at the pix where the yellow circles are. Solder those ends of the gray/black flat resistors. Look for any more of those types too and for other cracked solder joints around a component lead. That discoloration is not necessarlly(sp) bad. Could be from where the glass was sealed. Good luck and let us know how it goes.:)

    Temp_guage2.jpg
     
  3. Aug 17, 2008 at 5:02 AM
    #3
    coppert

    coppert [OP] Mall Krawler

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    Thanks for the info will try after work today & let u know.
     
  4. Aug 17, 2008 at 6:31 AM
    #4
    Janster

    Janster Old & Forgetful

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    My husband is an electronics guy.... and he looked at the picture.

    It's unknown whether the display is burned up or not. Ultimately, there's something else wrong that caused that mark and/or the display to burn out.

    So - even if you get a new display, you still need to find the original problem.

    Are you capable of working on this stuff yourself (soldering, etc).

    Like 45Longcolt mentioned.... also check for burned spots, and irregularities on the board and components. Each part can be purchased and the display itself should have a manufacturer #/part #. Unless Toyota had it specially made for them...?
     
  5. Aug 17, 2008 at 7:13 PM
    #5
    coppert

    coppert [OP] Mall Krawler

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    GOOD NEWS! Found two of the resistor's solder joints were broken. Slapped some new solder on there and all is well. :D
     
  6. Aug 17, 2008 at 7:17 PM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    WTG 45longcolt! Good diagnosis! :)
     
  7. Aug 18, 2008 at 4:39 AM
    #7
    coppert

    coppert [OP] Mall Krawler

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    I get in my truck this morning to head to work (3:30am) and there is this bright light coming from the overhead console that I was not used to. :D I love it!
    Thanks again to 45longcolt & Janster for your help and suggestions. I was a little worried with the way the display looked, but it is working like a champ. Thanks again!!!
     
  8. Mar 17, 2009 at 1:12 PM
    #8
    Turbo1

    Turbo1 Proud 2015 Tacoma owner

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    Thanks guys, great do it youself fix. This is nothing more than classic cold solder joints. So common with electronics.
     
  9. Mar 17, 2009 at 3:26 PM
    #9
    45longcolt

    45longcolt Well-Known Member

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    I have seen where some guys demand a new one from Toyota under Warranty and I have tried to tell them the new one will do the same exact thing eventually, so might as well just fix the old one you already have.

    The discoloration on the glass edge is normal. I worked on VCR's while they were still around and every one of the displays looked just like that. It is where it was sealed at the display factory and does not show when the display is behind a colored window.
     
  10. Mar 17, 2009 at 4:44 PM
    #10
    DDD

    DDD Shine bright like a hymen

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    I also noticed the burn marks on my LCD and I was worried, but I think its normal because after re-soldering everything works great!
     
  11. Apr 5, 2009 at 6:33 AM
    #11
    paulwhit

    paulwhit New Member

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    I stumbled across this thread while trying to figure out what to do about my dead display. This fixed it! My display has the burn mark, my solder job is horrible and I popped the entire chip off the board in the process, but it is now working. Thanks for the help!!
     
  12. Jul 21, 2009 at 7:42 AM
    #12
    ronmc

    ronmc New Member

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    I found this website and soldered and fixed mine. Thanks for the info and fix. This website is great.
     
  13. Dec 17, 2009 at 2:03 PM
    #13
    usfbullshockey33

    usfbullshockey33 New Member

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    Mine was exactly as described on this thread and one of the factory solders is popped loose... I originally thought it was a fuse out and when it wasnt i took to the dealership... They wanted to replace the entire unit for $235... THANKS so much for the cheap fix!
     
  14. Dec 17, 2009 at 2:23 PM
    #14
    doakes

    doakes Well-Known Member

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    I did the same to mine, and it is working fine. I also discolored the corner of mine from the heat of the solder iron. No probs buddy......
     
  15. Dec 29, 2009 at 3:04 PM
    #15
    JCL702

    JCL702 New Member

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    thanks guys that was great.... I had the same problem. its fixed now.
     
  16. Jan 21, 2010 at 6:37 PM
    #16
    martin8479

    martin8479 Member

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    Thanks for the including the pic below. I had cracks in the solder in the upper two resistors. It looked like a fine line all the way across the solder joints. I needed a magnifying glass to see it. Resoldered and that fixed it. Looking foward to driving it tomorrow. I never realized how much I liked the temp gauge until it was gone. :)
     
  17. Jan 25, 2010 at 7:48 PM
    #17
    Danielr15

    Danielr15 New Member

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    Thanks!!! You just saved me from having to spend over $1000 for a new one. Mine wasnt burnt, it had a small hairline crack in the solder. Very cheap and easy fix!! Thanks again!!
     
  18. Jan 25, 2010 at 8:40 PM
    #18
    JKD

    JKD Well-Known Member

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    Now that I see the 'discoloration' people are seeing on their "lcd", I know for sure that this is normal.

    First, it isn't an LCD, it is a vacuum fluorescent display. Essentially like an old style picture tube.

    The "burn" marks people are concerned about are normal, and they're necessary. There is a material in the VFD that, when heated, absorbs residual gas (helping to create/maintain the vacuum).

    It's like the little "DO NOT EAT" packets you find in various product boxes/cans. It's there to absorb things you do not want in your product.
     
  19. Feb 20, 2010 at 3:47 PM
    #19
    stevegub

    stevegub New Member

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    Thanks so much for the help. I did it an it works just fine. Thanks again.
     
  20. Jul 5, 2010 at 3:19 PM
    #20
    papokie

    papokie New Member

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    Help, where can I find a 510 resistor to fit on the green panel of my Temp guage/Compass display? I went to Radioshack as someone suggested and the sales clerk looked at me like I was a dumba$$. He was no help.

    I have a 2006 TACO.

    Thanks,

    Papokie
     
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