Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

need help with vtec pressure switch wiring on h22

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Old Jul 4, 2011 | 07:21 AM
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Default need help with vtec pressure switch wiring on h22

trying to wrap up wiring on my first h22 swap in cb7 accord. the h22 did not come with harness, using my accord harness adding the wires needed but the h22 did not have connector on the vtec pressure switch so i got another from a junkyard but its not same colors. it has black and green leads. anyone know witch pin goes to ecu and witch is ground? i only have wiring schematic for cb7. thanks for any help.

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Old Jul 4, 2011 | 08:14 AM
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Default Re: need help with vtec pressure switch wiring on h22

Top pin on the switch is the power source - (coloured wire) - VTEC ECU pin D6.
Bottom pin on the switch is ground source - (BLK) - to ECU pin A26. (or spliced into the BRN/BLK wire that should already be in A26)
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Old Jul 4, 2011 | 10:34 AM
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Default Re: need help with vtec pressure switch wiring on h22

It actually does not matter. It will work either way. Just run one wire to A26 and the other to ground.
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Old Jul 4, 2011 | 10:40 AM
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Default Re: need help with vtec pressure switch wiring on h22

Originally Posted by Slopoke
It actually does not matter. It will work either way. Just run one wire to A26 and the other to ground.
A26, B2 or Chassis ground, are the options for the sensor ground. The power source is D6.
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Old Jul 4, 2011 | 10:43 AM
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Default Re: need help with vtec pressure switch wiring on h22

Originally Posted by GhostAccord
OK so the pins on the switch don't matter but A26, B2 or Chassis ground, is the sensor ground, and the power source is D6.
haha. Yeah, its been a while since I've wired vtec. D6 is correct. Pins on the switch dont matter though.

Dont mind me. Im just bored at work on the 4th of July with nothing else to do.
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Old Jul 4, 2011 | 11:25 AM
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Default Re: need help with vtec pressure switch wiring on h22

cool thanks guys
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