Anyone fix reproduction tach?

Discussion in 'Sparky's corner' started by tubecatgs, Jan 9, 2020.

  1. tubecatgs

    tubecatgs Finally a 4 speed......

    I bought a Parts Place dash tachometer about 5 years ago for my 72 Skylark. Ever since i got it, when starting the car it would always max when cranking the engine but would perform well once engine started. Over this last season it got temperamental.... it would sometimes work or not or get stuck at at certain rpms.... now it just doesn't do anything.

    I haven't traced the wires yet but if it's the tach, does anyone fix these or am i stuck buying another one?

    I think i saw years ago there was a green wire i was suppose to snip for the tach and believe i did that but if someone can refresh me on that as well it would be appreciated.

    Thanks
     
  2. flh73

    flh73 Well-Known Member

    Not sure but i think mine is an older after market unit. wasn't working, took it apart and fixed loose solder joints. Pulled old solder and applied new, all is working. If your patient and have some soldering skills it's not that hard. Good luck.

    Gary
     
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  3. Golden Oldie 65

    Golden Oldie 65 Well-Known Member

    Red line Gauge and Clock Repair
    John Dvorski
    469 Windy City Rd.
    Humboldt, TN 38343
    Ph: 731-571-0766

    John has repaired a number of original and aftermarket tachs and clocks for us over the years. Nice guy and usually a pretty quick turnaround.
     
    Last edited: Jan 10, 2020
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  4. tubecatgs

    tubecatgs Finally a 4 speed......

    Thanks guys...... just hate taking the dash apart so have been delaying getting to it.......
     
  5. flh73

    flh73 Well-Known Member

    Pulling dash is pretty easy. The hard part is pulling cluster forward enough to get tach removed. It really wasn't that bad though. Couple hours and its back together and working again, hopefully. Good luck.
     
  6. tubecatgs

    tubecatgs Finally a 4 speed......

    Yeah, i've done it a 30 times before on these cars.... i usually drop the column a bit which helps. Tbanks
     
  7. sriley531

    sriley531 Buckle up, this could get rough....

    I'll be interested to hear how the repair turns out. I have not one but 2 repro buick dash tachs that don't read accurately. Would love to get them repaired and sell them to recoup some funds. But the repair may make that cost prohibitive. As of now they're shelf fodder....
     
  8. BYoung

    BYoung Stage me

    I drop the column completely. Much easier access to the back of the cluster that way. I also place a towel over the column so that when I manipulate the cluster I don’t scratch the column.
     
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  9. buick64203

    buick64203 Just plum crazy Staff Member

    You can try sneaking it out thru the radio opening
     
  10. BYoung

    BYoung Stage me

    And if you drop the column, don’t forget to first unscrew the small hook for the shift indicator on floor shift cars.
     
  11. tubecatgs

    tubecatgs Finally a 4 speed......

    Made that mistake once haha.... this car is a 4 speed though. Thanks!
     
  12. 87GN_70GS

    87GN_70GS Well-Known Member

    I repair them, have done a few repro techs for customers
     

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