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vtec pressure switch Q"

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Old 04-13-2005, 08:53 AM
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Default vtec pressure switch Q"

hi my question is wich cable of the vtec pressure switch is the one that goes to ground and wich to the ecu ?
btw I have a jdm p72 ecu ,b18c1 in a eg

Modified by racing_beat at 10:17 AM 4/13/2005


Modified by racing_beat at 10:17 AM 4/13/2005
Old 04-13-2005, 09:05 AM
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Default Re: vtec pressure switch Q" (racing_beat)

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BB..............BBB.....UUU..........UUU....MMMMM. .......MMMMM.....PPPP......PPPP
BB.............BB........UUU..........UUU....MM... MMM..MMM...MM.....PPPP......PPP
BBBBBBBBBB.........UUU..........UUU....MM....MMMMM M....MM.....PPPPPPPPP
BB.............BB........UUU..........UUU....MM... ...MMMM......MM......PPP
BB.............BBB......UUUU......UUUU....MM...... ...............MM......PPP
BBBBBBBBBBBB......UUUUUUUUUU.....MM............... ......MM......PPP
BBBBBBBBBBB.........UUUUUUUUU....MMMM............. ...MMMM...PPPPP
Old 04-13-2005, 11:26 AM
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Default Re: vtec pressure switch Q" (racing_beat)

When I was wiring up my vtec sil and pressure switch, im pretty sure the black one was ground.
Old 04-13-2005, 11:33 AM
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Default Re: vtec pressure switch Q" (EgGriff)

Ground - blk
VTEC wire - Green/yel (i believe)
Old 04-13-2005, 12:48 PM
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Default Re: vtec pressure switch Q" (Luserkid)

isn't black and brown ALWAYS ground ............ or is that just me?
Old 04-14-2005, 06:13 AM
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Default Re: vtec pressure switch Q" (WildPig)

now one more question
when i bough the engine harmness I got it without the vtec pressure switch connector , and I was woundering if i can use one frome the stock d15b8 engine I mean I cut one for example the iab or any other connector that fits the vtec pressure switch and then put the wires together and ? is there any way I could do that
Old 04-14-2005, 06:49 AM
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Default Re: vtec pressure switch Q" (racing_beat)

If you find a plug that fits, that should probably work.
Old 04-14-2005, 07:07 AM
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Default Re: vtec pressure switch Q" (DJ_SaNdOz)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DJ_SaNdOz &raquo;</TD></TR><TR><TD CLASS="quote">If you find a plug that fits, that should probably work.</TD></TR></TABLE>

It will, that's what I did. Yes black is ground. On the p72, does it ground to the chassis or A26?
Old 04-14-2005, 08:36 AM
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Default Re: vtec pressure switch Q" (IHateJDM)

does anyone know if the knock sensor has ground so I can connect it to the chassis or something like that
Old 04-14-2005, 08:40 AM
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Default Re: vtec pressure switch Q" (racing_beat)

I just asked that question this morning. The answer is, that it is a one wire signal to the ecu, and the sensor grounds itself.
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