EK4 vs EK9 wiring ?

kent75

Senior Member
Senior Member
Hi guys, I have a question regarding EK4 n EK9 wiring. Hope u guys can help me out with this especially Civic Owners.

The situation is this....

My brother driving an EK, and converted his car with EK4 engine and wiring, without his notice, the set of wiring is totally messed up and tapped around alot.

I would like to ask, if he wanna change his entire EK4 wiring+ECU to EK9 wiring+ECU, izzit compatible? Or izzit Plug n Play only? Is there any other major modification on EK9 wiring need to be done in order to fit with the EK4 engine and electrical parts like aircond?

Hope u guys can help me out with this, coz very headache with the cacat wiring which caused the car performance like shit.

Thanks alot.
 
ur wiring damage on which part? engine wiring or dashboard wiring?
if ecu wiring the find a ek9/ek4 obd2a wiring engine only. can use back ur original ecu.

wiring got few part :
1.engine wiring (injector, distributor, map sensor etc)
2.accesories wiring (headlamp, signal, spotlite)
3.dasboard wiring (main harness, fusebox)
4.aircond wiring (blower, cooling coil, center core)
5.airbag wiring (if got)
6.abs wiring (if got)
 
anyone know any expert in vtec wiring which can help me to convert the whole set of ek4 wiring to ek9 wiring ?
 
ic...then instead of the size n years. wat other differences between both ecu ? sockets ? additional functions ? or any other things else ? so ek4 ecu is considered as obd2a ?
 
icic
have a question to ask, if my car integra with 96' dc2 type R wiring n ecu, can i use ek4 engine in it ? r sockets for the engine part wiring same ?
 
anyone know any expert in vtec wiring which can help me to convert the whole set of ek4 wiring to ek9 wiring ?
i got 2 sifus in mind. u can try lochi at mingfatt auto in behind usj. or ah jiew at supertune at batu caves. both of them are good sifus to my experiences.

good luck
 
icic
have a question to ask, if my car integra with 96' dc2 type R wiring n ecu, can i use ek4 engine in it ? r sockets for the engine part wiring same ?

if the dc2r is obd2a then it is compatible with obd2a ek4 ecu.
 
Last edited:
anyone know any expert in vtec wiring which can help me to convert the whole set of ek4 wiring to ek9 wiring ?
i got 2 sifus in mind. u can try lochi at mingfatt auto in behind usj. or ah jiew at supertune at batu caves. both of them are good sifus to my experiences.

good luck

good feedback...
 
anyone know any expert in vtec wiring which can help me to convert the whole set of ek4 wiring to ek9 wiring ?
i got 2 sifus in mind. u can try lochi at mingfatt auto in behind usj. or ah jiew at supertune at batu caves. both of them are good sifus to my experiences.

good luck

May I know how to get to lochi from Summit?
 

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