Anyone know what this green plug is?

Rosedog · August 8, 2016

Just left of the fuse box?

https://www.dropbox.com/s/jweii1gdou1oy1v/20160730_195155.jpg?dl=0

http://photos-1.dropbox.com/t/2/AADyJp6ASW4rhNQNeRMn85Hg76zj1d1EmI9yDrkgT7bYpw/12/162394937/jpeg/32x32/3/1470700800/0/2/20160730_195155.jpg/EL7x8XsYvB0gBygH/ir-B_ox1DFufAbZbZ5oJtDrGjHxMlTN4COkpH8V2Bm4%2CcTaqiEMCRR8UHytZvKUtE5vyy3P7f_ASqwnzRu4g71s?size_mode=3&size=2048x1536&dl=0

Silvern Sentry · August 8, 2016

Looks like an I/O port. Maybe something a dealer/service would plug into for reprogramming/updates.

My fusebox panel looks nothing like that though so not positive.

2016 Sierra Owner · August 8, 2016

Trailer brake control plug I think.

newdude · August 8, 2016

X206 Body Harness to Brake Clutch Jumper Harness.

OmniCamaro · August 8, 2016

X206 Body Harness to Brake Clutch Jumper Harness.

WTH is a "brake clutch"? Lol

newdude · August 8, 2016

WTH is a "brake clutch"? Lol

I think it has to do with Silverado/Sierra built for countries that still offer a manual transmission in these trucks. Brake pedal and clutch position sensors run through that harness on trucks with a stick.

Fireguy63 · August 8, 2016

Not sure never seen the fuse panel there what's the year and make my brake control hook up is behind the pass glove box

Rosedog · August 9, 2016

2016 LTZ crew cab 4wd 5.3l

Boardmember · August 9, 2016

Uh oh. You tell your wife you found it? She knows you stopped by Hooters on the way home from work yesterday BTW...

CptMcSaug · August 9, 2016

Flux capacitor option, only available in the High 88 Package.

Rosedog · August 12, 2016

So I put a call into my trusted Service manager at the GM dealership and asked him ~ he asked the techs...and none of them know. He went to the schematics and it tells him "harness". I appreciated that he called me to let me know.

Now this thing is bugging me to find out what it is. I was looking at the owners manual online and found a picture of it (fuses I believe) and it shows something being plugged into it and it seems the wire coming out of the plug splits into two different directions: One towards backs towards the interior of the dash (firewall) and the other towards the face of the dash.

'15Sierra · August 13, 2016

It doesn't look like you have the factory trailer brake controller. Maybe it is a harness for that?

Sir Dan · August 13, 2016

No idea what the plug is for but....I see you have an Escort detector with a smart cord. Good bit of kit there. My 9500i has saved my ass many times! Picks em up from many miles away sometimes.