EZ Wiring questions

The tach wire is essentially "open ended" That is you wire it to the tach inside the car. You will have to wire it according to what ignition you have. In other words Mopar ECU, points or GM HEI will be coil NEG. MSD will be "something else" again

Fan.......not sure

The diagram I have does not have wire numbers, but does have "names" and colors. "Ig sw start" shows as purple -- a GM color--does indeed go to the start terminal of the starter relay

I would say the no10 is indeed main power feed into the interior.

You have a link? to the destructions? Seems to me I was unable to find them on their website some time ago

This is my complaint with several of these over-priced wiring outfits.......really poor documentation, especially as regards to Mopars.

The alt white exciter I believe is essentially the same as "switched ignition" Refer to the destructions regarding the specific alternator / regulator you are using