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Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

wiring vtec

Old 06-05-2006, 03:32 PM
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Default wiring vtec

how do i wire vtec to a 94 cx harness?? im droppin in a jdm d15, i dont need that harness do i?
Old 06-05-2006, 08:23 PM
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Default Re: wiring vtec (xJDMCx)

Basically, run a wire from the VTEC solenoid to A4



Old 06-05-2006, 09:07 PM
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Default

JDM harness usually doesn't work (LHD vs RHD) - and plus you just need to wire up VTEC Solenoid and VTEC Pressure Switches, I believe.
Old 06-05-2006, 09:14 PM
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Default Re: (axtran)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by axtran &raquo;</TD></TR><TR><TD CLASS="quote">JDM harness usually doesn't work (LHD vs RHD) - and plus you just need to wire up VTEC Solenoid and VTEC Pressure Switches, I believe.</TD></TR></TABLE>

No pressure switch on JDM engines
Old 08-25-2006, 05:02 AM
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Default Re: wiring vtec (xJDMCx)

Old 08-25-2006, 06:00 AM
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Default Re: wiring vtec (.13lank.)

Ok I am confused from other answers I got.

92 cx. I have a 93 ex/si harness.

vtec is wired for sure. So the O2 4 wire is also prewired to shock tower and harness is plug and play. No rerunning wires from ecu.

That is what I gathered from pictures.

Sorry to thread jack, just curious since topic is here.
Old 08-25-2006, 06:00 AM
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Default Re: wiring vtec (BlueIntegraBoy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BlueIntegraBoy &raquo;</TD></TR><TR><TD CLASS="quote">Basically, run a wire from the VTEC solenoid to A4
</TD></TR></TABLE>

best post ev@r!
Old 08-25-2006, 10:20 AM
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Default Re: wiring vtec (sauceja)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sauceja &raquo;</TD></TR><TR><TD CLASS="quote">Ok I am confused from other answers I got.

92 cx. I have a 93 ex/si harness.

vtec is wired for sure. So the O2 4 wire is also prewired to shock tower and harness is plug and play. No rerunning wires from ecu.

That is what I gathered from pictures.

Sorry to thread jack, just curious since topic is here.</TD></TR></TABLE>

Yes, since yours is a 92, you won't need to run a VTEC wire from the shock tower to the ECU.
Old 08-25-2006, 10:22 AM
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Default Re: wiring vtec (BlueIntegraBoy)

I understand that. My main issue right now is O2 sensor, is that plug and play as well with harness and shock tower.
Everything here appears that way.
Old 09-19-2006, 05:57 PM
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Default Re: wiring vtec (xJDMCx)

bump
Old 10-28-2006, 04:52 PM
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Default Re: wiring vtec (92integraVTECgsr)

bump so i dont have to search for it, lol.
Old 10-28-2006, 06:41 PM
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Default Re: wiring vtec (92integraVTECgsr)

yes its plug and play if you use an EX/SI engine harness. But correct me if I am wrong but if you use the D15B's ECU you can just use the CX's one wire O2 because the D15B on uses a one wire.
Old 10-28-2006, 07:48 PM
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Default Re: (BlueIntegraBoy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BlueIntegraBoy &raquo;</TD></TR><TR><TD CLASS="quote">No pressure switch on JDM engines</TD></TR></TABLE>

yeah dependent on your ECU i think
Old 10-28-2006, 07:52 PM
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Default Re: (axtran)

im running p72 with jdm gsr and no pressure swwitch
Old 10-30-2006, 10:06 PM
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Default Re: wiring vtec (HondaPartsHero)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HondaPartsHero &raquo;</TD></TR><TR><TD CLASS="quote">yes its plug and play if you use an EX/SI engine harness. But correct me if I am wrong but if you use the D15B's ECU you can just use the CX's one wire O2 because the D15B on uses a one wire.</TD></TR></TABLE>

EX/Si harness isnt exactly plug and play on a 93-95 chassis. It will still require you to wire in VTEC/OIL pressure. On the 92 ONLY, it is plug and play however in terms of that. In terms of the 4 wire O2 deal, the ex/si harness is plug and play with a 4 wire o2.
Old 10-31-2006, 02:50 AM
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Default Re: wiring vtec (Ls1 FD3s)

hmmm you all make it seem so difficult just run your wires directly from the siliniod to the ecu. such as i did problem solved no splicing wires on the harness, i have a 95 cx vtec works fine.
Old 10-31-2006, 04:06 AM
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Default Re: (BlueIntegraBoy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BlueIntegraBoy &raquo;</TD></TR><TR><TD CLASS="quote">

No pressure switch on JDM engines</TD></TR></TABLE>

96+ dont.. everything pre does
Old 08-13-2009, 04:31 PM
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Default Re: wiring vtec

Bump so I can find this
Old 05-01-2011, 08:06 AM
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Default Re: wiring vtec

Originally Posted by lizard man
i have a 1991 honda accord i am installing a h22a obd1 with a p13 ecu what wire do i need to install to get my h22a obd1 vtek up and runing in my 1991 accord pleas help me all you gear heads i mean that in a good way hahaha
Maybe you need to post this in the Accord forum?
Old 05-01-2011, 08:11 AM
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Default Re: wiring vtec

Originally Posted by lizard man
i have a 1991 accord ex wagon and i am installing the h22a obdi vtek with the p13 ecu and i need to know what i will need to do as far as the wireing up my vtek in the accord
What you need to do is post in the ACCORD forum. This is the Civic forum not a free-for-all.
Old 05-01-2011, 08:57 AM
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Default Re: wiring vtec

Rood? Taken? This is the Honda Civic/Del Sol (1992 - 2000) forum. Your problem is with an Accord. And you posted over there so what's the issue?
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