Johnson Trailer Sales
Colfax WI
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Gooseneck & Pintle
  Flatbed / Flatdeck

 • Low Profile
 • Low Profile 102" Option
 • 7 Ton
 • 10.5 Ton
 • 12 Ton

Equipment
 • 3.5 Ton Skidsteer
 • 5 Ton Equip
 • 6 Ton Equip
 • 7 Ton Equip
 • 7.5 Ton Equip
 • 102" Wide Option Pkg

Deckover
  Flatbed / Flatdeck

 • 3.5 Ton Deckover/ATV
 • 5 Ton Deckover
 • 6 Ton Deckover
 • 7 Ton Deckover

Tilt Beds
 • 3.5 Ton Car Hauler
 • 5 Ton Car & Equipment
 • 5 Ton Low Angle
 • 102" Wide Option Pkg
 • 7 Ton Equipment

Car Hauler
 • Wood Floor
 • Steel Floor
 • 5 Ton Car Hauler
 • 102" Wide Option Pkg

Tandem Axle Utility
 • Tandem Utility
 • Tandem Hi-Sides

Aluminum Single Axle
 • 2K Utility Aluminum
 • 3K Utility Aluminum

Single Axle Utility
 • Mini-Single
 • Single w/Side Rails
 • Single Side Ramp Pkg
 • Single ATV Pkg
 • Single Flatbed
 • Single Hi-Sides

Hydraulic Dump
 • 3.5 Ton Dump
 • 6 & 7 Ton Dump
 • Heavy GN Dump

Accessories
 • Ramp Extenders
 • Stake Pocket D-Rings
 • Tongue Boxes
 • Bolt-On Spare Mount
 • Rapid Jack

Enclosed Trailers
 • Interstate 1 Trailers

Stock & Horse
 • Calico Stock & Horse

Truck Flatbeds
 • SS Flatbeds
 • SK Skirted Flatbeds

Car Dollies
 • Quality Tow H.D.

More
 • Parts & Accessories
 • Wiring Diagrams

 • Ian's Pumpkin Stand

Trailer Wiring Diagrams
4 Way Plug Car End 4 Way Plug Trailer End
Standard Electrical Connector Wiring Diagram
NOTE: Standard wiring pictured below, viewed from the rear of connector (where wires attach). Not all trailers/vehicles are wired to this standard. The use of an electrical circuit tester is recommended to ensure proper match of vehicle's wiring to the trailer's wiring. On the 6 way plugs the 12V wire and electric brake wire may be reversed to accommodate trailer (particularly horse trailers).
6 Way Plug Car End 6 Way Plug Trailer End
7 Way Blade Plug Car End 7 Way Blade Plug Trailer End
7 Way Round Plug Car End 7 Way Round Plug Trailer End
WARNING: It is necessary to use an electrical tester to ensure proper match of vehicle's wiring to trailer's wiring. Failure to do so may cause damage.
* Due to the wide variety of applications on the 7 way round plug, it is necessary to take extra care in matching the vehicle's wiring to the trailer's wiring.
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