Question about 2004 Dodge Ram 2500

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Installing electronic trailer brake for 2005 dodge ram 150. How to? I have a Reese Brakeman Compact to install. It has four wires (blue, black, red and white) coming out of it, but how do i figure our what to attach to these wires?

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  • gldevries Jul 17, 2009

    from what i read at the reese web site, this item would be attached at the back of the truck. i need to know how to attach the electric brake control inside the cab (under the driver dashboard)

  • gldevries Jul 17, 2009

    from what i read at the reese web site, this item would be attached at the back of the truck. i need to know how to attach the electric brake control inside the cab (under the driver dashboard)

  • Vincent_G
    Vincent_G May 11, 2010

    The following information are from Reese web site. They sell a T connector for easy connection to your trailer.




    Image02




    Part Number: 118381 (Now Available)





    Description: T-One Connector Assembly

    Warranty: Limited 1 Year















    Weight: 0.45 lbs.

    Size: 4" L x 1.44" W x 9" H

    Package Type: Clamshell w/Insert





    Installation Instructions

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Get the Dodge harness adaptor. Typically about $15 at most auto supply places that carries towing stuff, possibly at an RV center too.
The adaptor will connect to a white plug under your dash, if you have the towing package installed from the factory.
Mine (a '97) was taped to the mega connector just to the right of the e-brake pedal... The package came with instructions on where to find it but no pictures so I had to dig a bit up under there!
If you do not have the towing package, you will be best served doing as the instructions that came with the controller say OR downloading instructions from the Reese website.

Posted on Aug 04, 2009

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Related Questions:

Tip

Trailer Wiring Standards (Color Codes/Plug Marks)


Hello all,

For those of you that have or occasionally borrow trailers and look at the wiring plugs with disdain (I mean face it they don't make sense, ground is white, +12vdc is black, etc), this is for you.

This will show you how to wire trailers with seven, six and four pin connectors

Plug Types/Application
7 Way - RV Trailers, Horse and Utility Trailers
6 Way - Horse, Stock and Utility
4 Way - Utility Trailers

Columns are: Color, Function, Mark on the plug.

Seven wire Trailer plugs (Large trailers with a battery and electric brakes):

Horse, stock or utility trailers:

White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7

Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7


Six wire trailer plugs:

Horse, stock or utility trailers:
White = Ground - GD
Yellow = Left turn/Brake -LT
Green = Right turn Brake -RT
Brown = Tail and clearance lights - TM
Red or Black (not both) = Battery, aux power - A
Blue = Electric Brakes - S

Recreational Vehicle: (color, use, plug mark)
White = Ground - GD
Yellow = Not used -
Brown = Right turn Brake - RT
Green = Tail and clearance lights -TM
Black = Battery, aux power - A
Red = Left turn/Brake - LT
Blue = Electric Brakes - S


Four wire plugs:
White = Ground
Yellow = Left turn/Brake
Green = Right turn Brake
Brown = Tail and clearance lights


Ground should be 10ga.
Others 14 ga

Best regards
Mike

on Sep 09, 2009 | 2004 Dodge Ram 2500

Tip

Trailer Wiring Standards (Color Codes/Plug Marks)


Hello all,

For those of you that have or occasionally borrow trailers and look at the wiring plugs with disdain (I mean face it they don't make sense, grd is white, +12vdc is black, etc), this is for you.

Plug Types/Application
7 Way - RV Trailers, Horse and Utility Trailers
6 Way - Horse, Stock and Utility
4 Way - Utility Trailers

Columns are Color, Function, Mark on the plug.

Seven wire Trailer plugs
:

Horse, stock or utility trailers:
White = Ground - 1
Blue = Electric Brakes - 2
Brown = Tail and clearance lights - 3
Black = Battery, aux power - 4
Yellow = Left turn/Brake - 5
Green = Right turn Brake - 6
Orange or Purple (not both) = Auxilliary or Reverse - 7

Recreational Vehicle:
White = Ground - 1
Blue = Electric Brakes - 2
Green = Tail and clearance lights - 3
Black = Battery, aux power - 4
Red = Left turn/Brake - 5
Brown = Right turn Brake - 6
Yellow = Auxilliary or Reverse - 7


Six wire trailer plugs:

Horse, stock or utility trailers:
White = Ground - GD
Yellow = Left turn/Brake -LT
Green = Right turn Brake -RT
Brown = Tail and clearance lights - TM
Red or Black (not both) = Battery, aux power - A
Blue = Electric Brakes - S

Recreational Vehicle: (color, use, plug mark)
White = Ground - GD
Yellow = Not used -
Brown = Right turn Brake - RT
Green = Tail and clearance lights -TM
Black = Battery, aux power - A
Red = Left turn/Brake - LT
Blue = Electric Brakes - S


Four wire plugs:
White = Ground
Yellow = Left turn/Brake
Green = Right turn Brake
Brown = Tail and clearance lights


Ground should be 10ga.
Others 14 ga

Best regards
Mike

on Sep 09, 2009 | 1981 Ford F 150

1 Answer

Have a 1994 Dodge Ram 1500 4x4 1500 with wiring problems. The original problem was a brake light out on the drivers side. I changed the tail light plugs. With head lights off I had brake lights with head...


Your truck may have had the factory trailer tow package, but that did not come with a wiring connector in that year. There should be a wire harness under the rear of the truck near the center of the bumper with 7 wires of the following colors/characteristics -

Red/Orange - +12V Battery (Thick Wire) From fuse #8 (40A)
Black/Orange - Tail Markers (Thick Wire)
Light Blue - Trailer Brakes (Thick Wire)
Violet/Black - Backup Lights (Thin Wire)
Dark Green/Red - Left Stop/Turn - (Thin Wire)
Brown/Red - Right Stop/Turn - (Thin Wire)
Black - Ground - (Thick Wire)



Under the dash, the brake controller wiring should be -

Red/Orange - +12V Battery (Thick Wire) From fuse #8 (40A)
Black/Orange - Ground - (Thick Wire)
Light Blue - Trailer Brakes (Thick Wire)
White/Tan - Brake Light sense - (Thin Wire)

Hope this helps.

Mar 19, 2013 | 1994 Dodge Ram

1 Answer

I have a reese brakeman compact trailer brake, also a new tundra with a different harness. What I dont have is the wiring schematics for the brake. There are 4 wires, 1 black 1 blue {both are fatter than...


the best thing to do is get a 12 volt lite tester the one with the pointie end. cut your harness turn on left turn signel. with tester lite grounded tuch the ends of the cut wire from truck strip a small piece of wire covering and attach to your trailor harness when left signal works on the trailor do the right blinker the same way as for running lites turn on your park lites and see witch two wires are lit connect to trailor making shure lites are dim last wire are for brake lites now you well know where to connect to new harness good luck cj

May 20, 2010 | Toyota Tundra Cars & Trucks

1 Answer

I have a ford factory wiring plug with 5 wires, I


If you are talking about the trailer brake pigtail under the dash, the brown wire is for the illumination on the brake controller, if applicable.

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My reese hand held controller did not use this, so I just blind end tapped it into the harness.
If your brake controller does not have background illumination, then you don't need the brown wire.
Sounds like the controller is similar.

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1 Answer

Running lights come on at start up and stay on ... I have a trailer brake Reese after market (dealer of the trailer installed it) detached it and no difference...


Most newer vehicles are equipped with daytime running lights as a safety feature , this may be a normal condition. ( come on when started and remain on until vehicle is shut off ) call dealer and ask them if this year and model came equipped with this feature they should know. peace S.R.

Apr 24, 2009 | 2006 Dodge Ram

1 Answer

Wiring problems


Hi Charlie

Six wire plugs:

Horse, stock or utility trailers:
White = Ground - GD
Yellow = Left turn/Brake -LT
Green = Right turn Brake -RT
Brown = Tail and clearance lights - TM
Red or Black (not both) = Battery, aux power - A
Blue = Electric Brakes - S

Ground should be 10ga.
Others 14 ga

Best regards
Mike

Mar 30, 2009 | 2005 Dodge Ram 2500 Truck

1 Answer

Trailer wiring


Hi Smokey,

I've got them for Six and Four wire plugs

Six wire plugs:

Horse, stock or utility trailers:
White = Ground - GD
Yellow = Left turn/Brake -LT
Green = Right turn Brake -RT
Brown = Tail and clearance lights - TM
Red or Black (not both) = Battery, aux power - A
Blue = Electric Brakes - S

Recreational Vehicle: (color, use, plug mark)
White = Ground - GD
Yellow = Not used -
Brown = Right turn Brake - RT
Green = Tail and clearance lights -TM
Black = Battery, aux power - A
Red = Left turn/Brake - LT
Blue = Electric Brakes - S


Four wire plugs:
White = Ground
Yellow = Left turn/Brake
Green = Right turn Brake
Brown = Tail and clearance lights


Ground should be 10ga.
Others 14 ga

Best regards
Mike

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2 Answers

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