I could use some help with the wiring on my MSD 6AL -

I have a Blaster coil, MSD dizzy and the MSD8910 tach adaptor -

I've attached a picture of how it hooked up.

Not showing is the MSD 8910 tach adaptor - it only has two wires going to it. A red and a white - the red is spliced into light gauge red wire coming out of the MSD which is hooked to ingintion trigger 12V - the white wire I have connected to the single wire I have running up to my tach but it doesn't work.

I used to have an optical pick-up with a stock 009 dizzy and everything worked fine..since I went to the MSD dizzy I can't get the tach to work.. Any idea's?

Engine runs fine, just can't get a reading off the tach...

Any help would be appreciated.

Ive always used the 8920 tach adapter without problems but others on the board have used the 8910 and were able to get it to work with some dinking around, I just replied to a post a few days ago and they had the same problems with the 8910 but a few showed how you can wire it to make it work.

Here's the other thread

http://www.914world.com/bbs2/index.php?act=...=ST&f=2&t=31707