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VTEC wiring in a non-vtec car

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Old Oct 29, 2001 | 07:47 AM
  #1  
Tomakit's Avatar
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From: MD
Default VTEC wiring in a non-vtec car

Note: I already posted this in the hybrid forum, no luck, i've also done a search...

I have a 95 LS-SE, which i just swapped a 98 b18c1 into. Now, the car is currently running on a 95 obd1 ecu (p72), however, the motor
isn't wired to the ecu to run vtec.

I've checked the hybrid site, and have poked around a lot besides that, but i still have some questions.

1) My car's wiring harness doesn't have the vtec wires run to it. Do i just run the wire from the engine to the engine side wiring harness
which plugs into the correct ecu pin? Or do i have to physically run the wire to the engine side wiring harness connector? Or to the ECU
side pin?

for example: I know that Vtec solenoid (yel/grn) has to run to pin A4...can i tap the engine side wire which corresponds to A4, or do I
have to run it to that ecu pin?

Does anyone have any pictures of this done, like which wire ran from where in the engine bay? (Not the pinout diagrams, I have those,
and have a helms)

Also, are there any complications that i might run into while wiring this up?

Tom
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Old Oct 29, 2001 | 01:19 PM
  #2  
3.3.3's Avatar
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From: ktown, CA
Default Re: VTEC wiring in a non-vtec car (Tomakit)

you can either tap into the solenoid and run the wires directly into the ECU plug, or run the wires to a vtec controller. either will work.
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Old Oct 29, 2001 | 02:42 PM
  #3  
Katman's Avatar
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Joined: May 2000
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From: PASADENA, CA, USA
Default Re: VTEC wiring in a non-vtec car (Tomakit)

Note: I already posted this in the hybrid forum, no luck, i've also done a search...

I have a 95 LS-SE, which i just swapped a 98 b18c1 into. Now, the car is currently running on a 95 obd1 ecu (p72), however, the motor
isn't wired to the ecu to run vtec.

I've checked the hybrid site, and have poked around a lot besides that, but i still have some questions.

1) My car's wiring harness doesn't have the vtec wires run to it. Do i just run the wire from the engine to the engine side wiring harness
which plugs into the correct ecu pin? Or do i have to physically run the wire to the engine side wiring harness connector? Or to the ECU
side pin?

for example: I know that Vtec solenoid (yel/grn) has to run to pin A4...can i tap the engine side wire which corresponds to A4, or do I
have to run it to that ecu pin?

Does anyone have any pictures of this done, like which wire ran from where in the engine bay? (Not the pinout diagrams, I have those,
and have a helms)

Also, are there any complications that i might run into while wiring this up?

Tom
...here this pic applies to OBD1 equipped civic & integra's:

Since your car does not have ANY vtec wires, yes you will have to run a wire from the ECU Pin to the VTEC component.




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Old Oct 30, 2001 | 04:58 PM
  #4  
rioninja's Avatar
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Joined: Mar 2001
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From: Philadelphia, PA
Default Re: VTEC wiring in a non-vtec car (Katman)

You-da-man, Katman
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Old Oct 30, 2001 | 05:31 PM
  #5  
Katman's Avatar
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Joined: May 2000
Posts: 6,094
Likes: 6
From: PASADENA, CA, USA
Default Re: VTEC wiring in a non-vtec car (RioNinja)

...heh thanks..
.....some people can't seem to see that!
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Old Nov 5, 2001 | 08:29 AM
  #6  
Tomakit's Avatar
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From: MD
Default Re: VTEC wiring in a non-vtec car (Katman)

katman,
got what you said done not too long ago. thanks for the pic.

Tom
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Old Nov 5, 2001 | 01:29 PM
  #7  
Katman's Avatar
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Joined: May 2000
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From: PASADENA, CA, USA
Default Re: VTEC wiring in a non-vtec car (Tomakit)

word...
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