Originally Posted by Chuki_KA24e

When I did a De swap into my 90' last winter we had the same problem. Crank all day long till the battery is dead but no start. Turns out there is a "starter enrichment something or other" that you need to jump the wires on so it will fire up. Let me go check what color it is, since I'm ghetto and still have my Ecu sitting on my floor lol...

Edit*
Ok it's the orange wire, no stripe, just orange. Make sure it's connected between your Ecu harness and dash harness up behind your glove box. The ecu and harness that came with my De had the dash harness part cut off so, I had to hook things back up. That happens a lot apparently.