Can anyone tell me what this wire is for

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

tazjamin

Full Access Member
Joined
Feb 23, 2014
Posts
128
Reaction score
0
Location
Casa Grande, Az
So i just bought my 2007 yukno xl denali i was changing my spark plugs and saw a red wire taped i have no idea what it is for but i was wondering if anyone would know
 

Attachments

  • IMG_1018.jpg
    IMG_1018.jpg
    85.1 KB · Views: 59
  • IMG_1019.jpg
    IMG_1019.jpg
    89.1 KB · Views: 55

BRUTUS_T_HOG

Full Access Member
Joined
Dec 7, 2012
Posts
218
Reaction score
2
That's for if you ever decided to add a trailer brake controller. You would attach that wire to the B+ terminal in the fuse panel. Most trucks have those somewhere under the dash and under the hood. GM is nice enough to give you an eyelet ready to roll
 

NathanJax

Vacation Nathan
Staff member
Administrator
Supporting Member
Joined
May 9, 2009
Posts
49,135
Reaction score
943,577,170
Location
Jax, Fl
That's for if you ever decided to add a trailer brake controller. You would attach that wire to the B+ terminal in the fuse panel. Most trucks have those somewhere under the dash and under the hood. GM is nice enough to give you an eyelet ready to roll

x2
 
Top