distributor body clockwise to retard the ignition timing. Anti-clockwise to advance the timing, std timing is 12 degrees BTDC at idle, or11 degrees with vacuum blocked or vice versa

the CO screw is a bit worrying tho, tried it with someones finger over the hole jus to check?

You have checked all 4 leads are getting a good spark?

on the fuse box, theirs a heated seat position on the lid, check the position on the fuse box and check the fuse that is in it, its for the fuel ECU's power afaik.