max0911

iTrader: (1)

Hi guys,

I bought a brand new usdm engine wiring harness to install on my 1993 jdm FD3S.
I thought the only mods I would need to do was add lenght to some wires, but it appears that a couple connectors are simply not the same!!!

Precisely, the connectors inside the car, other than those for the ECU, are different.
My 93 jdm harness had a white and blue connector and the usdm one has a white and black connector instead with different size and number of "pins"...

I'm completly lost....

If you've already dealed with going from a jdm engine harness to a usdm one, let me know how you did it please.

riot7

Did you ever get an answer to this. I have bought a JDM FD3S and need to know whats different with the USDM

H_M

iTrader: (7)

JDM has emissions stuff removed and no cat in the dp. The rest of the stuff is pretty much the same.

7krayziboi

iTrader: (15)

Pin-out of connectors is different also

IRPerformance

iTrader: (41)

Connector pinout, length of wires, etc is different. Get the correct harness for your car. Its not worth the time to make it work. I recommend having a custom harness build by LMS-EFI over the factory harness.

nycgps

iTrader: (4)

90% of pin out is the same,.except for few emission related stuff, left and right hand drive

rollcoal

iTrader: (5)

i have a jdm harness for sale if you need