i need help on obd1 converion

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Mar 11, 2010 | 11:55 PM

vtecpros

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Joined: Feb 2010

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i need help on obd1 converion

hey i have a 90 ef 4 door with a sohc vtec with obd1 distributor and p28 ecu but i dont know where the extra wires from the obd1 jumper harness exactly connect too

Mar 12, 2010 | 12:00 AM

Deetz

Crazy Honda Guy

Joined: Sep 2003

Posts: 8,025

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From: Calgary, AB, Canada

Re: i need help on obd1 converion

- 2nd ground off the vtec solenoid
- vtec solenoid activation wire
- wires for 4 wire heated o2 sensor

Mar 12, 2010 | 12:38 AM

vtecpros

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Joined: Feb 2010

Posts: 9

Likes: 0

Re: i need help on obd1 converion

ok i got the vtec wired up but i i dont know were to plug the 4 wires from the o2 sensor

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