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GT Gauges
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Thread: GT Gauges

  1. #1

    GT Gauges

    Hey guys i just bought a set of Mk1 GT gauges and i am wondering where i can get some senders from and how many volts they are..? Sorry don't know where this thread fits so i put it here
    Thanks Nick

  2. #2
    Join Date
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    Ballarat, Victoria, Australia
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    hello and

    the oil is mechanical so that is real easy just plastic tubing, olives and correct thread at each end

    the amps is also straight forward just run the main brown power cable from ignition switch through the loop

    the fuel will use the same as your original fuel gauge no need to change just lengthen

    its only the the temp gauge you will need a sender for

    its a matter or measuring the resistance, but this may be better done by a gauge or

    auto elec. depending on your own skills

  3. #3
    If the guages are genuine MK1 GT (65 & 66 - 4, 2" guages in a row, amps, temp,oil and fuel) then the oil gauge is actually electric and has a unique for GT oil pressure sender. For memory all the guages are fed by the voltage stabalizer attached to the back of the speedo at 5 volts not 12.
    If the gauges are 64 (4" triple gauge) then the same as above applies expect for the oil which is capliary type and needs piping, olives etc.....
    I think 63's are the same as 64's.
    Hope this helps.

  4. #4
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    ive been told the temp sender from vdo is part number 320003

    and your right europatek another

    i was thinking of a 64 GT dash cluster for some reason ...drrr

    the oil sender on later models is electric

    the sender for that will be more

    expensive and a little harder to find

  5. #5
    thanks guys, im pretty sure its from a 65 having the 4 2" gauges in a row. my bro is a auto electritian so thats not a prob, just sourcing everything i need. he reckons we can send them away and get some new senders... ill post a pic.
    thanks and btw this site and the members are very helpfull and has some nice builds on it, build mine one day ill just enjoy it while it runs
    Attached Images Attached Images

  6. #6
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    yes they are 65-66 model GT gauges and use a 5 volt voltage regulator

    its only the

    oil gauge and temp gauge that will require senders

    the fuel gauge will still use whats there

    the amp gauge is just a loop through wire

    the sender for the temp gauge is the

    VDO part number i gave above 320.003

    i should have a number for the oil pressure gauge sender early in the week for you
    Last edited by jewels; 15th May 2009 at 05:10 PM.

  7. #7
    thanks for your help jewels. will get the part soon, and also i have found a gt rev gauge off a teacher at tafe but dont know what else he has to go with it.. are things still avaliable??

  8. #8
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    yes the tachos can be 'updated' repaired and recalibrated

    in the business section there is a link to instrument guy who is very familiar with all these things

  9. #9
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    oil gauge electric sender required will be
    VDO 360.003

    for 5 volt (gauges) regulator
    specs are 700kpa 73- 10 ohms

    thanx speedotom
    Last edited by jewels; 15th May 2009 at 05:12 PM.

  10. #10
    Dont know if this truck came out here in Oz but in the UK they had a "D" series truck which had same sender but calibrated to 100psi instead of 80 as per GT. I walked into ford dealer about 10 yrs ago and they had them in stock! Worth a look

  11. #11
    thanks guys. Is there a part number avaliable for the rev gauge also.

  12. #12
    Join Date
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    the rev counter does NOT need a sender

    its just wired to the coil power, etc

    your brother will know that being an auto elec

    but it will need to be changed from positive earth the negative earth

    you will need to speak or send a PM to 'speedtom' about that

    he is a member here and also a instrument tech

  13. #13

    Unhappy fuel sender unit

    Hi
    I have 66gt and have none of the minor gauges are working and no speedo either., tach runs errratic as well.!

    I have purchased from the UK a replacement voltage stabilizer.(Not here yet) But I need a new fuel sender unit , trigger plate is broken and it leaks from the pipe hole... Any thoughts ..??


    Thanks Howard

  14. #14
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    hi howard and

    if you talk to or send a PM to 'speedtom' he will be able to help with your tacho problem and any other instrument problem you may have

    its funny how none of your gauges are working....does the amps gauge work
    coz it should ...

    so there is no reading from any of them ?

    is the car positive earth still?

  15. #15

    thanks jewels

    Sorry, amp gauge does work but only below zero when headlights are on, I have negative to earth and a new alternator.
    And to be accurate oil and temperature gauges go right off the face when igntion is on.

    Any thoughts on the speedo , I think its the drive from gearbox, can you get these?


    Thanks Howard

  16. #16
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    howard i think if you do a search
    you will find another thread on the speedo drives

    but no you would have to find one from a wreck

    sounds like a voltage reg to me
    ]
    if your handy with electronics you can use a common voltage regulator 7805 (5 volt)
    can get from dick smiths for a couple of bucks

    does the same job
    Last edited by jewels; 15th May 2009 at 05:38 PM.

  17. #17

    Oil Pressure Sender

    I purchased the VDO 360.003 but the thread of the sender is much to large to fit in the 1500gt block . Has anyone tried this part number sender? Any suggestions as to what part is required would be handy or do you have to modify the fitting of the 360.003 with an adaptor?

  18. #18
    I also have problems with my guages reading inacurate, tried 3 differant voltage stabelizors and still the same, my guages have always only read half, oil reads 30psi yet if i plug a capillary one in at the engine it reads 55, temp goes just past the "C" at normal temp, my engine overheated once and that showed being at the end of the white block just past the "C"!, yet remove wires from the sender and earth them out and they go to the end of the scale!i just learned 2 live with it over the years.

  19. #19
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    Quote Originally Posted by fuzz920 View Post
    I purchased the VDO 360.003 but the thread of the sender is much to large to fit in the 1500gt block . Has anyone tried this part number sender? Any suggestions as to what part is required would be handy or do you have to modify the fitting of the 360.003 with an adaptor?

    yes upon speaking with 'speedo tom' the gauge/instrument repairer he has told me that an adapter is needed
    and the original sender is no longer available
    this is the right resistance to get an accurate reading
    but the thread size is different

  20. #20
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    replacement gauge sender part numbers

    some further testing has been done on this subject

    early cars 63-64 use a 10 volt gauge/regulator system


    later 65-66 use 5 volt regulator

    these can not be mixed up or the gauge may be damaged

    for a 10 volt system (63 & 64 model) with electric temp sender

    you will need a

    vdo 320-011 sender

    287 - 23 ohms

    1/8 thread and yellow insulator

    replacement fuel tank sender

    vdo 220-003

    10-90 ohm


    for later model 65-66 5 volt reg/gauge systems

    temp sender
    VDO 320-003

    oil sender
    VDO 360-003

    fuel tank sender
    VDO 220-004

    picture below is the difference between to two
    Attached Images Attached Images

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