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'89 ignition coil?

Discussion in 'The Garage' started by shaun89, Oct 24, 2005.

  1. shaun89

    shaun89 1/2 ton status

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    i got an auto meter tach for my 89 blazer and they said to hook up a wire to the negative side of the ignition coil....i was thinking of a simple coil, but then i saw it and theres 2 plugs and 2 wires going into each...does anyone know which side is the negative side? :confused:

    ps...i dont have a volt-meter.
     
  2. neverendingproject

    neverendingproject 1/2 ton status

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    There should be a white pigtail that is like 4 or 5 inches long. Its the smallest wire that doesnt go to the distributor.
     
  3. dave_90_blazer

    dave_90_blazer 1/2 ton status

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    yeah, just follow the wires from the plugs, the white wire that goes into the harness is the one to tap, not the white one to the dist.
     
  4. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    There should be a wire hanging off the coil wires that isn't attached to anything, YET, that is the tach sense wire. At least my 89 has the wire already there.
     
  5. shaun89

    shaun89 1/2 ton status

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    awesome, thanks a lot guys, the tach is working stupendus
     
  6. neverendingproject

    neverendingproject 1/2 ton status

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    Thats what were here for, or pay for, or take advantage of wealth of knowledge
     

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