Tach Dash Conversion

I installed a dash in my 89 B2200 that has a tach in it. Everything worked except for the clock. I noticed that the plug has three empty slots and assume those are the wires that should power the clock. Any ideas where/how I should hook them up?

I assume for the clock that all you need to power it is a ground wire, power wire and one that goes to the dimmer(so it will dim the lights when you turn on your headlights. Just like a stereo has. As for which one goes in which spot, not sure. Someone might have a wiring diagram to help out.

Any1 else have this issue? I'm also scratchin my head over this. Also my Fuel gauge wont' register, any help?

i saw a tech article somewhere, where it shows u how to connect the clock wires when doing the swap, and i think someone posted the link on here

yea i've searched the 8 pages here not sure if its somewhere else....


any1 else?

This is probably what you are looking for.

Awesome! thanks man, preciate it, on my way to get her installed! <img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /> <img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" />

the clock in mine doesnt work either,but i just use the clock on my cd player,lol

well guys. im gona add the 2 pins on mine for the clock. and one got 2 extra pins the could get me?

what kind,push or bobby? lol