Okay first off, what is the green wire in the 4 pin plug that goes to the coil and wtf is its purpose in life. Here is why I ask. I have an accord I been looking at for my neighbor due to no spark. I disconnected the coil wire and arched it to see if it sparked and nothing. Obviously the black and yellow wires are 12v and ground and I checked them and they are good. But I have no clue what the green does and its purpose. So any ideas on the would be swell.

 

The green wire is the primary output control wire. With the key on engine not running, you should see 12v between it and body ground . This test checks battery voltage from the coil.

Have you tested the coils resistance?

Coil Connector
-
|A-B|
|C-D|

Primary coil resistance between pin A & C should be 0.6 - 0.8 ohms
Secondary coil resistance between pin A & Secondary winding terminal (coil wire connection) should be 14 - 22 K-ohms

Were you have tested the 12v ignition source and it's Good. If the coil checks out, and your still not getting spark. I would say your looking at replacing the ignition control module (ICM aka Ignitor).

 

96 service manual F22B2 MOTER says A to B 0.64 to 0.78 ohms A to C continuity and nothing else. page 23-104

 

Yes it does:
Primary Winding Resistance (Between the A and B terminals):
0.64 - 0.78 Ohm
Secondary Winding Resistance (Between the A and secondary winding terminals):
14.4-21.6 Ohm
Check for continuity between the A and C terminals.
I would post a screenshot from the manual here but I'm not sure if it's allowed by the forum rules because of copyrights etc.