What is this?
 

The black thing right above my stereo....

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Re: What is this?
 

The button that releases the oil slick or smoke screen?

Re: What is this?
 

Looks like a light. Maybe a SES light (if you have a later model engine) is there anything running to the back of it?

Re: What is this?
 

if there is an alarm in there it looks like a glass breakage sensor.

Re: What is this?
 

No i don't think there is anything behinf in.

And theres no alarm on the truck :0

Re: What is this?
 

That is where you plug in your flux capicator.

If it is a factory flux capicator connector you should see 4z14cp - z14 "Flux Capicator" on your SPID.

Re: What is this?
 

it might be your muffler bearing sensor :lol: get behind the dash and trace the wires it'll give you a good idea.

Re: What is this?
 

i'd lay on my back and look up under the dasboard where it is mounted .. if no wires attached to it then it's nothing,if wires attached follow wires and see where they go to findout what it is hooked up to

Re: What is this?
 

So there shouldn't be anything sticking through the dash at that point, the only thing that should be behind that is possibly your middle speaker.r.

Re: What is this?
 

Classic

You should look to see if you can buy a repop Mr. Fusion, I bet GMCPauls sells them.

Re: What is this?
 

Kinda what I was thinking too....

Re: What is this?
 

I looked under and found wires, but they arnt going to anything.

Re: What is this?
 

Its a hole plug. The guy at the factory had too much to drink the nite before and drilled the hole in the wrong place.

JRBECK64

Re: What is this?
 

To achieve the 1.21 jigawhats!

Re: What is this?
 

When you turn it counter-clockwise, does the halo fade away?

Re: What is this?
 

That is a very rare factory option;-)!