Flickering lights

[Doubeleive]

I can't tel from your picture where the hell that is lol

 

[solli5pack]

where exactly? right hand side edge dash behind the cover? or is this somewhere under/behind the glove box

Yes behind the cover. It's the junction box that sends the ground over to the LH side junction box under the dash and then up throughout the interior of the truck.

 

[solli5pack]

 

[bacon612]

Yes behind the cover. It's the junction box that sends the ground over to the LH side junction box under the dash and then up throughout the interior of the truck.

I still dont understand where this is. Is it under the dash cover you cracked 'like a potato chip' when trying to remove? If yes, on the left (passenger) side?

 

[mikez71]

Left side is driver side.. at least here in the USA..

 

[solli5pack]

I still dont understand where this is. Is it under the dash cover you cracked 'like a potato chip' when trying to remove? If yes, on the left (passenger) side?

Open the passenger door and on the side of the dash there is a pull panel just like the one over the fuse box on the drivers side. Behind that panel is a junction box for all sorts of things. I found corrosion on the bottom connector which is battery and ground.

 

[bacon612]

Thanks. That is much clearer. I pulled the potato chip dash cover that meets the windshield yesterday to test the ground stuff on the passenger side. Alldata says it's G200 and controls HVAC and dome lighting (which flickers for me)

I have tested resistance from the negative battery cable at the post on the battery to ground on the front of the cylinder head on the passenger side and the firewall where the ground strap is and am getting .2 ohm readings which I understand are within spec. Same at g200

I did notice that if I open a door, the truck 'wakes' and when I read resistance at those same points, it spike to 10 ohms. I'm not sure what this means exactly but after a few mins of closing doors, the truck 'sleeps' and the resistance goes back to .2 again.

I'm glad you found your solution. I'm going to go check the same connection you found corrosion at now. Thanks again for cleaning up that location for me. The search goes on...

 

[jallanblue]

Can some tell me how to get it to release. Of pinched it pulled it squeezed it messed with a little blue thing I still can't get it to release

 

[solli5pack]

So still some flickering issues...discussion in another fourm...

2014 Suburban Electrical gremlins

Hello everyone. Just realized that this sub exists. I've been troubleshooting an electrical issue on my suburban where my radio cuts out, I have headlight and interior lights flickering as well as some unstable and high voltage. Truck has 125k miles. Things I have done so far... New battery...

www.tahoeyukonforum.com

 

[Doubeleive]

I tried it with the RVC unplugged and no change. Fuse box has no signs of corrosion. The ground for the lights is the one on the left front bumper support correct?

coming back to this, did you actually pull the fuse box top off and inspect or just inspect the upper fuse area?
with all that other corrosion showing I would really suspect there to be at least some on the fuse box pins as well