64 original tachometer

Discussion in '1960-1966' started by willg54, Jun 8, 2001.

  1. willg54

    willg54 Member

    Joined:
    Jan 1, 2000
    Messages:
    8
    Here's an easy one for you. I've got an original tach in my dashboard instrument panel. Which side of the coil does the wire coming from the tach go to, the pos. or neg. side. Thanks!
     
  2. JJSavNH

    JJSavNH Member

    Joined:
    Jan 1, 2000
    Messages:
    7
    Hey,
    Any tach I ever hooked up went on the positive side of the coil to get the spark.
    JJSavNH
     
  3. JQ_72

    JQ_72 Member

    Joined:
    Jan 1, 2000
    Messages:
    9
    I've got a '65 with factory tach. Here is how mine is hooked up:
    If you have the original wiring harness, it should have a pink,
    brown, and a gray wire. Looking at the back side of the tach, the
    brown wire goes to the right terminal and pink to the left term.
    The gray operates the light (plugs into fuse block). On the other
    end, the pink wire plugs into an acc. receptacle on the fuse
    block. The brown wire attaches to the NEGATIVE term. on the coil.
    I have a factory assembly manual and double checked this info.

    Joshua Q.
     
  4. JCina66

    JCina66 Member

    Joined:
    Jan 16, 2002
    Messages:
    4
    Location:
    Powder Springs U.S.A.
    Hey JQ_72,
    I've just become a member and as I was reading some of the questions
    posted, I noticed your reply re:64 original tachometer. I have a similar problem. I have a 66 with an original tachometer but it only has one wire attached (looks to be the gray) directly located in the middle of the tach when looking at the back. There are 2 studs that I assume are the terminals where the other wires would land. Looks like a pink dot next to the left terminal stud so is that where the pink wire would be terminated? Also, on my distributor is 2 terminals marked "tach" and "batt", would one of these wires or both from the tach go back out to the distribtor and terminate?
    Oh yea, where can I order a factory assembly manual for my 66 C10?
    Thanks for your advise
    JCina66
     
  5. dvalentine

    dvalentine Charter Member

    Joined:
    Jan 1, 2000
    Messages:
    1,774
    Location:
    Sacramento
    [updated:LAST EDITED ON Jan-17-02 AT 07:58 PM (CST)]Hi JCina66,

    "I have a 66 with an original tachometer but it only has one wire attached (looks to be gray) directly located in the middle of the tach "

    Be sure it's NOT tan. ( my wife tells me all GUYS are color blind)

    " Also, on my distributor is 2 terminals marked "tach" and "batt", would one of these wires or both from the tach go back out to the distribtor and terminate? "

    It sounds like you have an HEI (coil located in distributer).
    The TAN wire terminates to the TACH terminal. The Grey wire gets patched into the dash lights (also grey wire)

    "Oh yea, where can I order a factory assembly manual for my
    66 C10?"

    I do believe our hosts Chevy Duty sell the service manual..

    Regards, Dennis


    >Thanks for your advise
    >JCina66
     
  6. Hilandr451

    Hilandr451 Member

    Joined:
    Dec 24, 2001
    Messages:
    32
    Location:
    Vacaville USA
    >>Oh yea, where can I order a factory assembly manual for my
    >66 C10?
    >Thanks for your advise
    >JCina66
    ---I found my factory assembly manual on e-bay for $18.00
    if you're careful and you watch closely, you can find some good deals there. But beware of "e-bay fever"!
    --Hilander
     

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