Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

3 wire heated o2 sensor

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Old Dec 17, 2003 | 05:25 PM
  #1  
87camaro kid's Avatar
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From: Brick, NJ
Car: 1987 Z28
Engine: 350
Transmission: Auto
3 wire heated o2 sensor

ok correct me if im wrong(this is how im guessing i can connect my sensor up cause i have no idea how to look at wiring digrames) ok so our origonal o2 sensor is just one wire and that one wire is connected to the ECM correct? so i can just connect the one wire on the new sensor for the ecm to that existing wire and the other 2 wires to the positive battery and the other wire to a ground on the chasis somewere. does that sound right sry if that was completly stupid but im trying
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Old Dec 17, 2003 | 08:01 PM
  #2  
85TransAm406's Avatar
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From: Montgomery, AL
Car: 1985 Trans Am
hook the extra + wire to a switched power and the other to a ground. Otherwise the O2 would be heated all the time, runnin down the battery. I did the heated 02 conversion in my camaro after the headers, worked great.
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Old Dec 17, 2003 | 08:28 PM
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87camaro kid's Avatar
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From: Brick, NJ
Car: 1987 Z28
Engine: 350
Transmission: Auto
were would i hook the positive up to then?
thanx for ur help
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Old Dec 17, 2003 | 11:51 PM
  #4  
Z28 Boy's Avatar
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From: Charlotte, NC
Car: 1991 Camaro RS
Engine: GMPP 350 HO w/TBI
Transmission: 700R-4
Axle/Gears: 10-bolt w/3.73s
Originally posted by 87camaro kid
were would i hook the positive up to then?
thanx for ur help
hook it to on o the "ign" terminals in your fuse panel.

or, just connect it to the power source of something that you know is only on when the car is running.

-brian
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Old Dec 18, 2003 | 09:41 AM
  #5  
87camaro kid's Avatar
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Car: 1987 Z28
Engine: 350
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thanx
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