Tpi O2 sensor using headers
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From: Waxahachie Texas
Car: 88 IROC Z/28-under re-construction
Engine: 5.7 Tuned Port
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Axle/Gears: 9 bolt Borg-Warner
Tpi O2 sensor using headers
I have a BOSCH 4 wire universal O2 sensor and i need help with the wiring,
Black goes to the purple signal
Grey is the ground
White #1 goes to a 12v switched
White #2 Is where i need help, i read somewhere it goes to constant 12v source? would that drain the battery?
please help
Black goes to the purple signal
Grey is the ground
White #1 goes to a 12v switched
White #2 Is where i need help, i read somewhere it goes to constant 12v source? would that drain the battery?
please help
Thread Starter
Senior Member
iTrader: (1)
Joined: Dec 2009
Posts: 627
Likes: 1
From: Waxahachie Texas
Car: 88 IROC Z/28-under re-construction
Engine: 5.7 Tuned Port
Transmission: It's in there....
Axle/Gears: 9 bolt Borg-Warner
Re: Tpi O2 sensor using headers
checking back,,,,,,nothing guess i'll goggle research
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Joined: Apr 2014
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Re: Tpi O2 sensor using headers
its easy, the whites are the heater circuit. you ground one and +12v ign. sw the other
and like you said, grey goes to ground and black is signal.
i like to use a relay for power on heated o2 conversions
and like you said, grey goes to ground and black is signal.
i like to use a relay for power on heated o2 conversions
Junior Member
Joined: Mar 2014
Posts: 49
Likes: 0
Re: Tpi O2 sensor using headers
I have a BOSCH 4 wire universal O2 sensor and i need help with the wiring,
Black goes to the purple signal
Grey is the ground
White #1 goes to a 12v switched
White #2 Is where i need help, i read somewhere it goes to constant 12v source? would that drain the battery?
please help
Black goes to the purple signal
Grey is the ground
White #1 goes to a 12v switched
White #2 Is where i need help, i read somewhere it goes to constant 12v source? would that drain the battery?
please help
Junior Member
Joined: Mar 2014
Posts: 49
Likes: 0
Thread Starter
Senior Member
iTrader: (1)
Joined: Dec 2009
Posts: 627
Likes: 1
From: Waxahachie Texas
Car: 88 IROC Z/28-under re-construction
Engine: 5.7 Tuned Port
Transmission: It's in there....
Axle/Gears: 9 bolt Borg-Warner
Re: Tpi O2 sensor using headers
Thank you guys, and i will place a 10 amp inline fuse just in case
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