86 GMC Sierra Classic 2500 questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network



Register or Log In To remove these advertisements.

		The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board
86 GMC Sierra Classic 2500 questions

11-02-2014, 09:59 AM

#11

dfrank

Registered User

Join Date: Aug 2014

Location: Pittsburgh, PA

Posts: 627

Re: What was this for?

Quote:

Originally Posted by gmcnoob

Good morning. Can anyone tell me what this little black box is/was for on the left side of four-wheel-drive?

Maybe a trailer brake controller?

Bookmarks

Tags

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -4. The time now is 10:57 AM.