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Tach sending locations?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by coloradoblazers, Mar 19, 2001.

  1. coloradoblazers

    coloradoblazers 1/2 ton status Premium Member

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    After buying my K5, one of the steps was to add a tach. It is an '87 305, 4spd manual, with a remote ignition coil(not the one inside the distributor cap). Where can I mount the reciving wire to the tach to get an accurate reading?

    K-5, because size DOES matter!
     
  2. DMK

    DMK 1/2 ton status

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    There should be a wire tapped to the wire harness that goes to the coil. I think it is brown? It will have a connector on the end. The tach lead will plug into this. Look by the coil you can't miss it. This is the hook up for a factory tach.
     
  3. Thunder

    Thunder 3/4 ton status

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    Yup, it is the light colored wire that comes off the coil that is not connected to anything(unless you have a factory tach) That is where I pluged my tach into.Works fine.
     

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