How to install a factory tacho in non tacho GC/ GD.
Posted: Mon Dec 14, 2009 4:12 pm
First find a factory tacho.
Stock clock dash cluster. (before shot)
![Image](http://i47.tinypic.com/acapo3.jpg)
Stock clock dash cluster removed.
![Image](http://i45.tinypic.com/2zr2agh.jpg)
What you need for conversion. Note, tacho needs gauge lense with no hole for clock reset/ adjust.
![Image](http://i46.tinypic.com/116i1k1.jpg)
The wiring for factory clock.
![Image](http://i47.tinypic.com/t70hah.jpg)
Tacho gear v's Clock gear
![Image](http://i47.tinypic.com/21ay92a.jpg)
How to wire the new tacho up.
![Image](http://i48.tinypic.com/xkx550.jpg)
Tacho installed in cluster.
![Image](http://i46.tinypic.com/2ytrx4w.jpg)
Instrument cluster installed in housing, all other wires hooked back up
![Image](http://i48.tinypic.com/20aannr.jpg)
Gauges/ lenses swapped and ready to install back into dash.
![Image](http://i47.tinypic.com/2u7twdl.jpg)
You need to get this green wire that is folded back and taped over.
![Image](http://i46.tinypic.com/2djxxso.jpg)
Hook the green wire up to the neg on the coil.
![Image](http://i47.tinypic.com/5z1pxk.jpg)
Testing to see if it works, and it does
![Image](http://i50.tinypic.com/34pn8t4.jpg)
That's it. Just remember, if you buy a tacho, get the lense cover to go with it...
Dave
Stock clock dash cluster. (before shot)
![Image](http://i47.tinypic.com/acapo3.jpg)
Stock clock dash cluster removed.
![Image](http://i45.tinypic.com/2zr2agh.jpg)
What you need for conversion. Note, tacho needs gauge lense with no hole for clock reset/ adjust.
![Image](http://i46.tinypic.com/116i1k1.jpg)
The wiring for factory clock.
![Image](http://i47.tinypic.com/t70hah.jpg)
Tacho gear v's Clock gear
![Image](http://i47.tinypic.com/15ccd3.jpg)
![Image](http://i47.tinypic.com/21ay92a.jpg)
How to wire the new tacho up.
![Image](http://i48.tinypic.com/xkx550.jpg)
Tacho installed in cluster.
![Image](http://i46.tinypic.com/2ytrx4w.jpg)
Instrument cluster installed in housing, all other wires hooked back up
![Image](http://i48.tinypic.com/20aannr.jpg)
Gauges/ lenses swapped and ready to install back into dash.
![Image](http://i47.tinypic.com/2u7twdl.jpg)
You need to get this green wire that is folded back and taped over.
![Image](http://i46.tinypic.com/2djxxso.jpg)
Hook the green wire up to the neg on the coil.
![Image](http://i47.tinypic.com/5z1pxk.jpg)
Testing to see if it works, and it does
![thump :thumpsup:](./images/smilies/thumbsup.gif)
![Image](http://i46.tinypic.com/t9jq7a.jpg)
![Image](http://i50.tinypic.com/34pn8t4.jpg)
That's it. Just remember, if you buy a tacho, get the lense cover to go with it...
Dave