tachometer problem

ok i have an older tachometer. unfortanly i don't know who makes it. i need to know how it hook it up. i hase 4 wires that are all in the same covering(red,
white, blue and yellow) and then there is a wire by its self(white with a black stripe running down it) does anybody know how to hook this up or knows of anyplace i can get a diagram for it
thank to the people who help
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I think Doc cleared this up pretty good for ya, but here it goes. I am going to assume that this tach is lighted and may have a shift light on it.
White - 12v Dash Lighting (locate this in the fusebox under your dash and tap into it.) Red - 12v ignition switch + ( this can be found in many places, but usually under the steering column) Black - Good ground ( Try to get the best (cleanest) ground you can get) blue - Negative side of the coil. Yellow - Constant 12v power source. ( There are many power sources to use, choose one and tap into it)
Go to your hardware store, or Walmart, and get yourself some T-taps and male spade connectors, it will make the install process very simple, and you can disconnect it at anytime without tearing wires apart.
-- ---------------------------------------------------------------- Ed Murray Certified Locksmith My Enthusiast's Website: http://www.crooked-ridez.com

covering(red, white, blue and yellow) and then there is a wire by its self(white with a black stripe running down it) does anybody know how to hook this up or knows of anyplace i can get a diagram for it

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