how do i wire up a 4 wire o2 to a p28 ecu

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Apr 23, 2003 | 06:15 PM

roc

Thread Starter

Honda-Tech Member

Joined: Mar 2003

Posts: 272

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From: newyork, ny, u.s.a

how do i wire up a 4 wire o2 to a p28 ecu

just finished my b16a2 swap into my 95 cx.i wired up vtec and everything else to go with it.my only problem is wiring up the 4 wire o2 to the ecu.or can i tap into harness from engine bay.i'm running an obd1 p28 at the moment. can someone tell me if this is correct if i'm wiring o2 straight to p28 ecu . help
4 wire 02
white wire=D4
black=A6
green=D22
black=A25

Apr 23, 2003 | 07:02 PM

dfoxengr

Joined: May 2002

Posts: 3

Likes: 1

From: banned NC

Re: how do i wire up a 4 wire o2 to a p28 ecu (roc)

edit..read below

Apr 23, 2003 | 07:03 PM

dfoxengr

Joined: May 2002

Posts: 3

Likes: 1

From: banned NC

Re: how do i wire up a 4 wire o2 to a p28 ecu (hybridvteceg)

edit, HA nevermind
in the cx..simple, dont even need to run to ECU unless you want...

white to white sender on stock CX harness...
1 black to switched ignition power, IE. when u turn the key on its on
the green and other black to ground.. thats all