Jump to content
  • Sign up for FREE! Become a GM-Trucks.com Member Today!

    In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 

Wire harness under passenger headlight behind bumper.


Recommended Posts

Does anyone know what the extra wiring harness is for, that is located under the passenger side headlight on a 2019 Silverado LT. The only thing I can think of is that its possibly for parking sensors? It's not connected to anything.

IMG-4199.jpg

Link to comment
Share on other sites

I'm not so sure.  Perhaps? It didn't come with fog lights (which makes no sense) but if it was, that would be perfect as I'm doing a fog light install. Although, I don't have a fog light button to test. 

Link to comment
Share on other sites

Is it the ambient air temp sensor? It looks like it should be mounted to the oval hole above it but it fell out.

 

If you can't see male or female connectors and there is a "plug" in it, then it's likely an air temp sensor.

Link to comment
Share on other sites

3 minutes ago, fastk9dad said:

Is it the ambient air temp sensor? It looks like it should be mounted to the oval hole above it but it fell out.

 

If you can't see male or female connectors and there is a "plug" in it, then it's likely an air temp sensor.

hmm.. didn't think of that.. looking back at my photo, it appears to be a female plug...will have to research this lead.. thank you

Link to comment
Share on other sites

3 minutes ago, nguyet34 said:

hmm.. didn't think of that.. looking back at my photo, it appears to be a female plug...will have to research this lead.. thank you

 

You're welcome. Looking at the video and your photo they almost appear to be the same length but we are looking at the underside of yours and the front side of the one in the video as its attached to the frame.

Link to comment
Share on other sites

1 minute ago, fastk9dad said:

 

You're welcome. Looking at the video and your photo they almost appear to be the same length but we are looking at the underside of yours and the front side of the one in the video as its attached to the frame.

they should both be on the front facing side.. mine is just a tad zoomed in. 

Link to comment
Share on other sites

8 hours ago, gemarsh said:

I was lead to believe the air temp sensor was in the passenger mirror. 

 

 

I looked it up on Alldata and you are correct. It does not appear to be for fog lights as that harness connection point is supposed to be behind the right headlight.

Edited by fastk9dad
Link to comment
Share on other sites

I'm going with it's the harness plug for the parking sensors. Look where the sub harness connection is located within the bumper (circled in yellow) it looks like it should line up with the harness plug on the frame.

 

 

Screenshot 2022-03-18 084457.jpg

Link to comment
Share on other sites

13 minutes ago, fastk9dad said:

I'm going with it's the harness plug for the parking sensors. Look where the sub harness connection is located within the bumper (circled in yellow) it looks like it should line up with the harness plug on the frame.

 

 

Screenshot 2022-03-18 084457.jpg

Agreed. I’m going to chalk it up to the parking assist sensors as well. Was searching all night and may have found something,  although, in the back of my mind, not sure why the video above had it connected but there were no sensor holes on the bumper. Thanks everyone! Should we close this out and call it a day?

  • Like 1
Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

 Share



×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.