"On each injector you have a yellow/black wire. This is the power wire from the ECU. This voltage is constant and needs to be regulated, thus using a inline resistor. We have used 10watt 10ohm inline resistors from radio shack, they cost about 5 bucks for 4 of them. (packs of 2) Cut each wire (one at a time) strip the wire back and twist the wire around the resistor wire. I highly recommend using solder on this connection, as shown. Then tape up each resistor really good with some electrical tape." Quote from DSM injector article

I tried copying the picture but there nothing here so I can ad a attachment but here's my question. I have a 91' Civic HB with a JDM DOHC ZC. It was a Dx model so I had to re-wire everything for multi-point injection. I found and used a JDM ZC injector harness , resistor box , and complete engine harness. Because my car is a 91' and so is my motor it has peak and hold injector like the DSM 450cc's , Right ?
So the picture used in the article about wiring in a resistor box is only for 92' + cars that are saturated type , Right ? Now the DSM are peak and hold injectors so when I put them in my ZC all I'll have to do if modify the plug on the injector thats all , right ? Since I already have a injector resistor I don't have to really do any more wiring. I'm just double checking everything.

 

You already have a resistor box, so you are fine with regard to injector impedance, or at least how the ECU sees it.

The DSM injectors should plug right in to your current injector plugs.