I have a 97 civic ex. When you put dsm 440 injectors with a resistor box, please correct me if I am wrong. The 4 black wires from the box go to the 4 black/yellow wires for the injectors and the red wire goes to power, that what I was told once, but I read in a post that you cut the black/yellow injector wires and hook the 4 black wires to the black/yellow coming from the injectors and the red gets butt connected to the other ends of the black/yellow wires, please help.

 

First of all I think you mean DSM 450cc injectors... and check this website out for the install of the resistor box.

http://www.honda-tech.com/zerothread?id=441107

 

4 black wires too black/yellow from 450's the red wire from resitor box connected too all black/yellow from injector harness

 

http://www.hondata.com/techinjectorwiring.html

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