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where to pick up O2 sensor wire at......

Old Mar 8, 2002 | 05:40 PM
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88blkiroc's Avatar
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From: Orland Park, IL, USA
Car: 88 IROC-Z
Engine: L98
Transmission: TH350
Axle/Gears: 3.45
where to pick up O2 sensor wire at......

im installing a nordskog digital air/fuel ratio gauge and i need to splice into my O2 sensors signal wire somewhere. id rather pick it up inside the car whereever it comes through the firewall at if thats possible instead of making the splice outside and exposing it to the elements. so any idea where the O2 wires comes into the car at, maybe by the ECm or something??? thanks.
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Old Mar 8, 2002 | 11:31 PM
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From: Costal Alabama
Car: 1989 Iroc-Z
Engine: 350, ZZ4 equivalent
Transmission: Pro-Built Road Race 700R4
Axle/Gears: 3.23 Dana 44
Pin D7 on your ECM, it's purple

ftp://ftp.diy-efi.org/pub/gmecm/manu...165v8tpi-2.jpg
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