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  • Suggestion on an ignition on power source.
  • Suggestion on an ignition on power source.
  • Suggestion on an ignition on power source.
  • Suggestion on an ignition on power source.

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  1. #1
    Moderator KANE's Avatar
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    Default Suggestion on an ignition on power source.

    I am going to wire in a three-wire heated O2 sensor.

    But it's early... and I don't have my schematic in front of me.

    I'd rather not go to the fuse box since this is under the car.

    Thoughts?


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    1982 Dark Blue Corvette
    Crossfire Injection | .496"/.495" Cam | AFR Eliminator Heads | EBL | 3.73
    0-60mph in four and a half seconds



    1995 Trans Am
    1 of 1 Trans Am | 100% documented | RPOs 48U, MN6, and GU6
    1982 Chevrolet Corvette , 350 2k RPM Stall Converter + Updgraded Transmission + Governor Set For 5,450rpm Shifts 3.73 Code 42 Dark Mettalic Blue with a twist

  2. #2
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    Default

    I took mine from the distributor feed. Just remember to put a fuse on it.
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  3. #3
    Moderator KANE's Avatar
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    Default Suggestion on an ignition on power source.

    Thanks! I had not thought about using that feed before – that's an idea.

    With Hooker's full length headers, dual exhaust from Corvette Central, and magna flow mufflers it's become too cool for the original equipment oxygen sensor.

    That was causing some errors in the fuel map and the integrator was throwing fuel like crazy at the fuel table while the narrow band oxygen sensor was reporting less than commanded AFR's.

    Basically, the cold oxygen sensor was creating an overly rich situation.


    Sent from my iPhone using Tapatalk
    1982 Dark Blue Corvette
    Crossfire Injection | .496"/.495" Cam | AFR Eliminator Heads | EBL | 3.73
    0-60mph in four and a half seconds



    1995 Trans Am
    1 of 1 Trans Am | 100% documented | RPOs 48U, MN6, and GU6
    1982 Chevrolet Corvette , 350 2k RPM Stall Converter + Updgraded Transmission + Governor Set For 5,450rpm Shifts 3.73 Code 42 Dark Mettalic Blue with a twist

  4. #4
    Moderator KANE's Avatar
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    Default

    I broke out my schematic.

    The emissions systems are all pink & hot only in the run position. I think I will tap into one of those.
    1982 Dark Blue Corvette
    Crossfire Injection | .496"/.495" Cam | AFR Eliminator Heads | EBL | 3.73
    0-60mph in four and a half seconds



    1995 Trans Am
    1 of 1 Trans Am | 100% documented | RPOs 48U, MN6, and GU6
    1982 Chevrolet Corvette , 350 2k RPM Stall Converter + Updgraded Transmission + Governor Set For 5,450rpm Shifts 3.73 Code 42 Dark Mettalic Blue with a twist

  5. #5
    Member LLC5's Avatar
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    Default

    Quote Originally Posted by Antz81 View Post
    I took mine from the distributor feed. Just remember to put a fuse on it.

    Isn't that a circuit with a nichrome resistor wire in it? I might have my years mixed up.

    Another ignition power source could be the wiper motor.
    Master Technician

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  6. #6
    Moderator KANE's Avatar
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    Default

    Thanks LLC5!

    Here it is at an idle...

    1982 Corvette idle - YouTube


    Sent from my iPhone using Tapatalk
    1982 Dark Blue Corvette
    Crossfire Injection | .496"/.495" Cam | AFR Eliminator Heads | EBL | 3.73
    0-60mph in four and a half seconds



    1995 Trans Am
    1 of 1 Trans Am | 100% documented | RPOs 48U, MN6, and GU6
    Likes bill81vette liked this post
    1982 Chevrolet Corvette , 350 2k RPM Stall Converter + Updgraded Transmission + Governor Set For 5,450rpm Shifts 3.73 Code 42 Dark Mettalic Blue with a twist

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