Question about Cars & Trucks
You should have a brown,yellow, green and white for lights and a red and black for the brake electrical which is controlled from the front of the towing vehicle..only the front trailer axle has brakes in it..not all 4 wheels..if yopu connect a spare battery to the trailer brakes they should lock the wheels(or a strong battery charger..)the vehicle should have a auxilary brake control box under the dash within reach of the driver.. this has most of the controls in it..it should alsdo have an operation light on it that lights up when either the control lever is moved or the brake pedal is stepped on..hope this helps..repost findings..
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
SOURCE: wiring diagram
Helpful Wiring Information when hard wiring your brake control:
Run two wires to the battery:
White - Ground
Black - Power
Blue - Run to Electric Brakes at the Rear Plug
Red - Run to cold side of brake switch off of the brake pedal (using a test light to find the cold side)
Note: Always wire the red wire to the heaviest gauge wire when testing cold side of brake switch.
You can view more info here. http://store.drawtite.com/brakecontrols.html
Posted on Nov 17, 2008
SOURCE: Trailer wiring 7 way
dO NOT SPLICE WIRES.. You bought a 45000 dollar truck, spring for a wiring T --25 bucks.. ( plugs between main harness and Tail lights.. ) --Available at most good auto parts.. Painless wiring also has a kit.
If you did already cut or splice into your wires, take that **** loose.. Shrink wrap the dammage.. Silicone over srink wrap.. Wire will corrode.. if you did manage to get spliced wires to work,-- in a few years or sooner you will have issues with the connections..Can you say short circuit.. Moisture and loose connections are a thing of the past with sealed tap in wiring.. Plug and play..
If any of this is over your head, get a friend who knows, or a tech to help.. Don't jerry rig a 45,000 dollar new Truck.. Come ON..!!!!!
Posted on Sep 18, 2008
I'm assuming you're just going to splice into the tail light wiring so that's what these wire colors are:
at the tail lamp 3 way connector:
black and yellow = park lamp
dark green and brown = left turn signal
there should be another connector with violet and black wire for reverse lights.
the stop lights are turned on through the turn signal circuits.
Posted on Apr 12, 2009
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