C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

89 02 3 wire question

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Old May 25, 2004 | 11:49 AM
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From: corona ca
Default 89 02 3 wire question

i am getting ready to put a heated 02 in my header does the black lead go to the exhisting 02 lead and the new 2 white wires go to a switched 12v THANKS
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Old May 25, 2004 | 02:20 PM
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St. Jude Donor '03
Default Re: 89 02 3 wire question (jetscreamer)

i am getting ready to put a heated 02 in my header does the black lead go to the exhisting 02 lead and the new 2 white wires go to a switched 12v THANKS
Yup you got the right idea. The 2 white wire dont matter which one you use. One is a ground and one is for a switched 12 volt source. The dark one is for the O2 signal. :cheers:
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Old May 25, 2004 | 04:56 PM
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From: corona ca
Default Re: 89 02 3 wire question (VictorRussell'92)

so your saying either white wire to switched 12V and it does not matter which one correct
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Old May 25, 2004 | 04:59 PM
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Default Re: 89 02 3 wire question (jetscreamer)

and should the other white wire be grounded?
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Old May 25, 2004 | 05:15 PM
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Default Re: 89 02 3 wire question (jetscreamer)

and should the other white wire be grounded?
Correct. :yesnod:
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Old May 25, 2004 | 06:09 PM
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Default Re: 89 02 3 wire question (VictorRussell'92)

:) thanks again ! having a tough time with idle just posted a tread can you help much thanks
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