Nissan Repair: Tachometer installation, nissan sentra, auto gauge

Question
I have a 1996 nissan sentra 1.6l 4 door xe model without tachometer.  I bought an aftermarket tach (auto gauge) and need to know were to hook the tach wire (green) to.  I have connected the other wires (1 yellow wire to battery, 1 red wire to dimmer switch, and 1 black wire to  ground).  And I do not have a coil either.  Can you help? I am not very knowlegable about car things.  Thanks
I was told to look for a blue with orange stripe wire behind my stereo ceter console but did not find one.

Answer
Chris,
The wire should be there, you may have to dig into it farther to find it.

As far as your coil, you should have one, otheriwse your car won't run, it's possible it's an electric coil.

YOU need to find that blue and orange strip wire there is no other place to place that tack wire (green).