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the large white wire that is for ICM which side of the harness should I find it on? Im in the middle of a crisis please help the crx the motor came out of had the white wire coming from the driver side but the crx its going into doesnt have a white wire on that side all the other wires match up except that one, it came out of and hf converted to obd1 and Im trying to duplicate that going into an si. redoing someone elses conversion sucks

 

I am confused by reading what you wrote.

if only one wire is not matching then connect it together, because its obvious its that wire if all the other wires are matched.

 

Im gonna have to take pictures to clarify things I know what Im trying to say but Its not coming out right

 

sounds like you are trying to use the HF engine harness in the Si car - not going to work, unless you do this:

look at the 8-pin connector on the driver's side:

the Si wire colors are:
blue/yellow
yellow/black
red
brown
light blue
yellow
black/yellow
dark blue

the HF wire colors are:
blue/yellow
yellow/black
red
brown
light blue
yellow
yellow
white

the wires (except for one) are in different locations in the HF and Si connectors

the igniter wire (code 15) is the white wire in the HF harness connector at the driver's side - the igniter wire (white) in the Si harness is in the passenger side connector

the HF engine harness will also have a connector for the EGR valve with 3-wires, yellow, yellow/white and green/white - the 89-91 Si engine harness also has a connector for the fast idle control valve with 2-wires, dark blue and black/yellow

to make the HF engine harness work with the 89-91 Si chassis harness, first, repin the wires in the 8-pin driver's side HF harness connector so that they match color for color with the Si chassis connector - you will have 2 wires that don't match, one of the yellows (from EGR) and a white (igniter) on the HF connector and black/yellow and dark blue (both from fast idle control valve) on the Si connector - forget these as they won't be used - notice that the HF connector has 2 yellow wires - the yellow wire for injector #4 is the only one that is in the same location on both connectors and is the yellow that is used - next, go to the round 6-pin connector on the passenger side - on the HF harness, find the yellow/white wire from the EGR valve - it should be in the same location as the white igniter wire in the Si chassis harness - at the other end of the yellow/white wire at the EGR valve connector, cut this wire - at the distributor connector, find the white igniter wire - it is the thicker white wire (see diagram below) - cut the white wire - connect the yellow/white (from the 6-pin passenger side connector) that went to the EGR to the white igniter at the distributor connector - make sure that all other wires in both the 6-pin and 14-pin connectors on the passenger side match color for color at both sides of the connectors - on the OBD1 distributor, the yellow/green wire is the igniter wire and matches the thicker white igniter wire in the HF harness - NOTE: some aftermarket OBD1 distributors have the orange and white wires reversed

 

dude thats exactly what I needed your a total lifesaver

 

i dont mean to jack the post but i wanted to know if i should use the hf harness when doing a d16z6 swap, not re-using it but using together with the z6 harness....

 

I have a 91 Crx si with a z6 swap and HF harness . I did all this told me to do ^ and still no spark! . Any help??