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How to wire a wideband o2 sensor in place of the factory…

Customer Question
How to wire a wideband...
How to wire a wideband o2 sensor in place of the factory narrow band o2 sensor.
Submitted: 11 months ago.Category: GMC
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Answered in 12 minutes by:
8/4/2017
GMC Mechanic: Ted G., ASE Certified Technician replied 11 months ago
Ted G.
Ted G., ASE Certified Technician
Category: GMC
Satisfied Customers: 6,221
Experience: 20 years auto repair experience, ASE Master Tech, Mechanical Failure consultant, Expert Witness
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Not really possible. The computer will not be able to decipher the information from the wideband, it's not programmed for it.

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Customer reply replied 11 months ago
Actually very possible. A UEGO wideband can send out the signal
& data to the ecu that it needs & also send info to a logging device. There are made to replace factory o2 sensors. Just looking for some wiring help.
Customer reply replied 11 months ago
I need the wiring diagram for the upstream (closest to engine) factory o2 sensors on a 2014 GMC Sierra 1500 5.3L
GMC Mechanic: sprinkles08, ASE Certified Technician replied 11 months ago
sprinkles08
sprinkles08, ASE Certified Technician
Category: GMC
Satisfied Customers: 24,066
Experience: ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
Verified

Hello and welcome to JustAnswer!

The violet/blue wire is the power feed for the heaters.

On the 1/1 sensor the gray/white is the heater driver.

White/black is sensor ground.

Violet/gray is signal.

On the 2/1 sensor green/yellow is the heater driver.

Violet/white is signal.

Yellow/white is sensor ground.

I hope that helps! My goal is your satisfaction today. If you feel I've been professional and helpful, your 5-star rating at this time is most appreciated. However, if you still need my help you can reply back here and I'll respond as soon as possible! Thank you!

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