There are 2 white colored wires and they can easily be mixed up. Cut the 2 stock fuel injector plugs off of your dpfi engine harness.

Ld 7336 Honda Crx Wiring Harness Download Diagram
Dpfi to mpfi wiring diagram. Oil pressure sending unit 1 wire connector yellow with red stripe distributor pinouts obd1 2 included jdm zc dizzy ecu pinouts these are the wire colors on the stock harness most of them are the same for the non si models. And these are the functions of the wires on the stock harness dpfi to mpfi from rywire picture from 12volt. Showing you what needs to be modified down there. The dpfi to mpfi obd1 should have wires for the injectors and distributor with the wires already listed. Then de pin the dpfi distributor plug and put the mpfi plug on your dpfi harness. Wire the 4 new mpfi fuel injector clips to match the colors as follows.
The continuation of the mpfi conversion. Wide open throttle garage 2488 views. There will be two yellow wires with black stripes one red wire and one yellow wire. In this video i show you how to extend the tps and iacv wiring and also create a subharness for the fuel injectors and the injector resistor box. In this video i complete the distributor wiring at the distributor with the added 7 pin clip from. Here is part 2 of the dpfi to mpfi conversion.
Dpfi to mpfi swap wiring harness build spork sports sedan part 2 duration. Mpfi wiring diagram for crx hfsi pm8pm6 obd0 90 crx wire diagram mpfi wiring diagram for crx hfsi pm8pm6 obd0 note the pin outs s in this diagram differ from the diagrams you will get from swap forums. Here is the final steps in completing the the dpfi to mpfi conversion on any 88 91 civic or crx. So make sure the white wire that is a loner not in a group of 4 is a loner when you re pin the mpfi plug i need some pics heh. Make sure the colors are the match up to what you wrote down. 1 injector brown wire connects to the orange wire off the subharness.
In this video we take you inside the passenger foot well where the ecu plugs are located.