Wiring Loom Adapter - OBD2B>OBD2A


rd55 dun

Well-Known Member
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Aug 16, 2010
Messages
1,422
As above, im looking for a wiring harness adapter for my facelift ek9.

Looking for an OBD2B>OBD2A if anyone has one.

Thanks
 
There's some on ebay mate, cheap common ones but they do the job. Just an option anyway :nice:
 
Yeah I got a cheap £13 one for my engine swap, works fine dude!
 
Also why are you looking to go from OBD2B to 2A? What ECU you looking at running?
 
Im looking at at B18c6 swap into my 9.

Set up is currently in a facelift 9 atm (same as mine), and has a JDM ECU P73-003, and owner will require to keep his harness.

Think its the OBD2B>OBD2A connection i need, if maybe anyone could confirm.
 
Yeah you're right mate the P73-003 is an OBD2A. I hear OBD2 Ecus are harder to chip, or less people do it anyway (?) correct me if I'm wrong, and therefore everyone goes for OBD1 ecus. Only found 1 harness on ebay and that's £150.
 
Yeah you're right mate the P73-003 is an OBD2A. I hear OBD2 Ecus are harder to chip, or less people do it anyway (?) correct me if I'm wrong, and therefore everyone goes for OBD1 ecus. Only found 1 harness on ebay and that's £150.

Thanks mate.

The reason im planning on using the P73-003 ECU is that it came from the car and engine, and it was all running great. Dont want to start messing about with it. Would rather a plug and play at the moment.
 
Thanks mate.

The reason im planning on using the P73-003 ECU is that it came from the car and engine, and it was all running great. Dont want to start messing about with it. Would rather a plug and play at the moment.
Ah right okay I can see your point mate :nice: is it a completely stock b18c6? hopefully you can find a harness then mate! I haven't seen many about but will keep an eye out
 
Ah right okay I can see your point mate :nice: is it a completely stock b18c6? hopefully you can find a harness then mate! I haven't seen many about but will keep an eye out

Engine is totally stock yes.

I have a DC2 Intake and 98 Spec Manifold on my car, so hoping that with the B18c6 and JDM ecu everything will work ok, and have good power.
 
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