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voltage reducer placement for gauge cluster

Discussion in 'The Hokey Ass Message Board' started by 4rod, May 15, 2013.

  1. 4rod
    Joined: Feb 4, 2008
    Posts: 806

    4rod
    Member

    Hey guys, Getting the dash wired up...just one question, should I place the reducer before the fuse panel or after...Can I just run the Hot wire from the fuse block through the reducer then on to gauges?
     
  2. 4rod
    Joined: Feb 4, 2008
    Posts: 806

    4rod
    Member

  3. 5CHERO8
    Joined: Feb 22, 2013
    Posts: 71

    5CHERO8
    Member

    Put the reducer close to the gauges, that is between the fuse and the gauges.
     
  4. 4rod
    Joined: Feb 4, 2008
    Posts: 806

    4rod
    Member

    I've also, heard/read that you can run the reducer from the ignition switch to the gauges
     
  5. 4rod
    Joined: Feb 4, 2008
    Posts: 806

    4rod
    Member

    this is what I came up with Napa 12.00 dollar unit...
    [​IMG]
     
  6. F&J
    Joined: Apr 5, 2007
    Posts: 13,291

    F&J
    Member

    I'm not familiar with that Napa part, but it almost looks like a resistance type reducer like a ballast resistor or heater blower uses.

    If it is a resistance type, those need to be spec'd by the load of whatever you are reducing the voltage at.

    In other words, if the resistor is too big for very low draw like gauges, then it will not drop the voltage very much at all.
     
  7. badshifter
    Joined: Apr 28, 2006
    Posts: 3,638

    badshifter
    Member

    That won't work at all for gauges. Those are for wiper motors, blower fans etc. they rely on a load to reduce the voltage. For gauges you need an OEM ford gauge voltage reducer found on dozens of 50-60-70s fords, or an aftermarket electronic voltage reducer. The one you have pictured will send the full voltage of the system to your gauges.
     
  8. 4rod
    Joined: Feb 4, 2008
    Posts: 806

    4rod
    Member

    wow, thanks guys I had no Idea...very much appreciated
     
  9. wraymen
    Joined: Jan 13, 2011
    Posts: 7,372

    wraymen
    Member

    Ford's is called electronic instrument voltage reducer, C&G early Ford parts has them but they are pricey. $37 I think I got one at NAPA a while back.
     
  10. RussK
    Joined: Sep 19, 2010
    Posts: 121

    RussK
    Member
    from Atlanta Ga

    This is what you need STANDARD MOTOR PRODUCTS Part # VRC604 wire it in right before the gauges, ford ran them for years
    At rockauto they are around $40.00 or so
    if you need help let me know
     
  11. 4rod
    Joined: Feb 4, 2008
    Posts: 806

    4rod
    Member

    great thanks again guys, i'll look for it tomorrow and return the other one
     

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