jacekattack

I got a conversion harness off kijiji for a civic obd2a to obd1 and i think its messed up can anyone help me and see if these pins are correct? i want to hook it up to a p28

I found this on the net https://honda-tech.com/forums/tech-misc-15/diy-obd2a-obd1-wiring-diagram-1144345/ thx tspek9 for the info

left side is obd1 right side is obd2a

A1 to A4
A2 to A1
A3 to A3
A4 to A8
A5 to A2
A6 to A6
A7 to A16
A8 no use
A9 to A12 my harness connects to a14 and a12
A10 no use
A11 no use my harness connects to a7
A12 to A27
A13 to A18
A14 no use
A15 to A17
A16 to A19
A17 to A26
A18 no use
A19 no use my harness connects to a15
A20 to A15
A21 to A20
A22 no use
A23 to A10
A24 to A23
A25 to A11
A26 to A9
-------------
B1 to A24
B2 to A22
B3 no use
B4 blank
B5 to C5
B6 blank
B7 to C29 my harness dose not have
B8 to C16
B9 to C6
B10 to C18
B11 to C4
B12 to C14
B13 to C3
B14 to C13
B15 to C2
B16 to C12
-----------------
D1 to C10
D2 to D5
D3 to D6
D4 to C7
D5 no use
D6 to C15
D7 to C8
D8 no use
D9 to C17
D10 to D16
D11 to D1
D12 no use my harness connects to d9
D13 to D2
D14 to D7
D15 to D8
D16 no use
D17 to D3
D18 no use
D19 to D4
D20 to D10
D21 to D12
D22 to D11

My problem is this, I hook up my p28 to this harness and my car dosent start just cranks, hook up my p2p and it runs. So i first thought was the p28 is garbage i got it from a junk yard but i put it in a buddys eg and runs mint so im kinda lost , harness looks like some ebay crap so i need help

mouab18c1

iTrader: (5)

Try the harness in another obd2a car