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07-16-2004, 08:55 AM
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#1 |
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Guest
Posts: n/a
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wire diagram o2 sensor
was tryin to find a wire diagram for the o2 sensor for my 99 grand am gt... i am installing a a/f guage an was wondering wich wire it is i hook it up to
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07-16-2004, 09:20 AM
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#2 |
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GAGT - Member
 Join Date: Apr 2004
Location: Michigan
Posts: 37
Vehicle: 2005 G6 GT
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Cavity A= Oxygen sensor Low (usually TAN wire)
Cavity B= Oxygen sensor High (usually Purple wire) Cavity C= Ground for heater element Cavity D= Ignition power for heater In newer vehicles the ground wire gets replaced by a control signal from Powertrain Control Module so the heater can be controllered instead of just turned on with ignition. |
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07-16-2004, 09:55 AM
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Mr. Know It All
 
AKA: Craig
Join Date: Aug 2002
Location: Commerce Twp., MI
Age: 39
Posts: 1,349
Vehicle: 1999 Grand Am SE Coupe
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Purple wire is the signal wire.
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Project 13-Second NA GASE - 1999 Grand Am SE - RSM Heads,UIM,LIM,62mm TB,AFE Filter,RSM WAI,TOGs,DynoMax Hi-Flo Cat,SLP,DynoMax,ASE Chip,Mobil 1,Accel DIS,Taylor Wires,Denso Iridium,Hyper Ground,FFP Pulley,B&M SuperCooler,RedLine D4 ATF,Poly Drivetrain Mounts - Estimated 250HP ... Dyno Charts Soon! |
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07-16-2004, 10:43 AM
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#4 |
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Better Than Ever
 
AKA: Doctor
Join Date: Aug 2002
Location: Orlando, FL
Age: 32
Posts: 2,116
Vehicle: 2000 Grand Am GT1
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^ yup
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07-17-2004, 11:36 AM
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#5 |
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Guest
Posts: n/a
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ok i attached it to that... an my a/f guage is bouncin all over the place... only stays steady when i have the pedal floored... bad a/f guage?
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07-17-2004, 07:52 PM
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#6 |
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Guest
Posts: n/a
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anyone have any idea why its doin that?
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07-17-2004, 08:43 PM
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#7 |
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Better Than Ever
AKA: Doctor
Join Date: Aug 2002
Location: Orlando, FL
Age: 32
Posts: 2,116
Vehicle: 2000 Grand Am GT1
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That is completely normal. It's more of a multi-colored LED light show than anything else.
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07-18-2004, 07:16 AM
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#8 |
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Guest
Posts: n/a
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how is that normal when its bouncin all over the place?
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07-18-2004, 11:59 AM
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#9 |
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Better Than Ever
AKA: Doctor
Join Date: Aug 2002
Location: Orlando, FL
Age: 32
Posts: 2,116
Vehicle: 2000 Grand Am GT1
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Because the O2 sensor readings are all over the place. The gauge is just relaying that mess of data.
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Linear Mode
