well i got a clean 89 crx dx shell...
i have a 90 crx hf with a b18 in it... shell is shitty p.o.s
i got to the point of having the b18 into the new car already...
end up dx wiring dont work (that i just found out)
couldnt find any dx engine harness
so i just used my hacked up hf harness from the 90 crx
i got everything in... but theirs like 3 plugs i dont know where it goes.... and when everythings connected... nothing happens... only thing that turns on is the heater blower... wtf?

someone spoon feed me a link to a solution please?

 

You need to use the dx engine harness and add the wire you need thats it. the hf harness will not work on a dx. You need to add new wire for the fuel injectors and 2 wires for the dizzy and move some plugs around at the ecu hears a link.https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/diy-dpfi-mpfi-swap-made-easy-2889205/

 

im sorry i think i didnt type it out right

i already put the whole dash harness in already from the hf

 

Well in that case eaither fix up you hacked up hf engine harness or get a new one everything should be plug and play for the most part. Pics off these sensor plugs you don't kno where they go to???

 

If you rebuild your harness, remember this:

It's NOT the same as an si harness.

The wiring between the hf and si harnesses are different. I can build you a new hf harness if you need it. Pm me if you do.

 

do this!

 

i dont think i need to rebuild a harness right now...

im just trying to find an answer to this question tho. Can i put my crx hf harness that worked fine from my 90 crx hf to a 89 dx shell?

 

oh yea.. my camera doesnt work anymore so i cant take pics till tommorrow...

all the plugs are by the fuse box located inside the car... the fuse box is all connected.. but still no power?

btw is their a pdf online of wiring diagrams?