View Full Version : Question for those of you who are running the P75 ecu
EricW
05-24-2006, 09:37 PM
I have all my wiring sorted out on the conversion harness but pins A21 and A22 on the OBD1 plug. What pin on the OBD0 plugs do i need to run these to wires to?
Also does pin D2(brake switch) need to be connected to anything?
carotman
05-25-2006, 02:27 AM
I'll have to check my conversion harness for pin A21 and A22. However, I'm sure you can leave the brake switch out.
thegreatdane
05-25-2006, 05:26 AM
A21 to the igniter/ignition control module
A20 is to the purge solenoid
EricW
05-25-2006, 09:33 AM
A21 to the igniter/ignition control module
A20 is to the purge solenoid
I know what they are, I need to know where to run them on the OBD0-OBD1 conversion harness.
thegreatdane
05-25-2006, 01:12 PM
???? You havent got any ICM on your pre-OBD wiring and you dont have the purge solenoid either (unless you have 88-89 injection). So therefore there's nowhere in the stock ecu plug to put those wires.
In case you have 88-89 injection the purge cut off solenoid should be on pin B2.
EricW
05-25-2006, 07:23 PM
Ok, thanks. I'm just trying to minimize the problems/codes i will have when i finally get everything done.
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