TehMan

i put a b-series in my car and i can't seem to find a plug on my harness for an o2 sensor...everything from my harness is plugged up but one thing and thats the vtec solenoid plug...anyone have a picture of where its suppose to be on the harness?

hoya_10fintec

It should either be under the intake mani(or around that area) or around where your engine code(stamp)is..

check your old engine and see where the o2 sensor's located


EDIT: Also make sure the o2 plug isn't caught between the block and tranny if you ever seperated them.

TehMan

will look after work...thanks a lot

TehMan

can anyone tell me where the o2 wires pin into the plug that goes in to the ecu or where the o2 wires pin into the engine harness plug and what plug they go in to...i don't know what to search for lol

Hanmin

has it been cut off? check the middle of the harness. I'm like 99% sure it has to be there, when you find it just buy the right o2 plug and wire it up. It should be either in the back, under the im dangling somewhere or in the front around the tranny area.

try eg pinouts or whatever people have told me otherwise, but when i took my harness apart the o2 went to the 4 injectors for my single non vtec harness.

TehMan

i dunno if it has been cut off or not lol thats why i'm trying to find out where it pins in at


Modified by TehMan at 7:58 AM 9/17/2008

Kendall

The D15B harness puts the O2 sensor on the front of the motor, in the upper section of the exhaust manifold that bolts to the head as opposed to the more common location at the collector. What you should note is that the D15B uses a single wire O2 sensor instead of the standard 4 wire.

TehMan

anyway anyone can link a picture of the d15b or d15b7 o2 sensor plug...

Kendall

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TehMan &raquo;</TD></TR><TR><TD CLASS="quote">anyway anyone can link a picture of the d15b or d15b7 o2 sensor plug...</TD></TR></TABLE>

Understand that there is a difference. The D15B7 uses the standard 4 wire plug, while the D15B and the D15B8 use one wire plugs. Actually I think the plug is the same regardless, but with fewer pins in some.

TehMan

i just don't even know what harness i have on my car right now...i can't tell if the plug i have is a vtec solenoid plug or a one wire o2 sensor plug lol

Kendall

The O2 plug will be almost square. The Vtec solenoid plug is round.

TehMan

the d15b7 harness has a one wire o2?

Kendall

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TehMan &raquo;</TD></TR><TR><TD CLASS="quote">the d15b7 harness has a one wire o2?</TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kendall &raquo;</TD></TR><TR><TD CLASS="quote">The D15B7 uses the standard 4 wire plug</TD></TR></TABLE>

No, it uses a 4 wire sensor. Only the D15B and the D15B8 use the one wire sensor.

TehMan

oops...sorry...this is just really confusing me lol...if the harness i have is a d15b and it's 1 wire o2...what do i do since i have a ls motor with a what, 4 wire o2

TehMan

i have a p28 in my car right now...

A6 - O2 sensor heater control - Black wire at O2 sensor
D14 - O2 sensor signal wire - White wire at O2 sensor
A25 or B1 - O2 sensor power - Black wire on O2 sensor
D21 or D22 - O2 sensor ground - Green wire on O2 sensor

that seem right?