Wire Color By Manufacturer

Written by hitchweb Team on December 21st, 2011 — 0 Comments

Over the years manufacturers have changed the wire colors on vehicles. The below diagrams show what vehicle manufacturer has as each wire function:

 

 

Standard Wire Function

 Wire Color

 
Dual Purpose Bulb System
 

  

Right Turn & Brake Lights
 

Green
 
Left Turn & Brake Lights
 		 Yellow
 
Tail Lights
 		 Brown
 
Ground
 		 White
 

 
Single Purpose System
 

  
Brake Lights
 		 Use Converter
 
Backup Lights
 		 Red
 
Electric Trailer Brakes
 		 Connect To Blue Wire From Brake Controller 

 

 

Wire Function

 Ford

 
Dual Purpose Bulb System
 

         
Right Turn & Brake Lights
 		 Orange with Blue Stripe
 
Left Turn & Brake Lights
 		 Light Green with Orange Stripe
 
Tail Lights
 		 Brown
 
Ground
 		 Black or Grey
 

 
Single Purpose System

  
Brake Lights
 		 Red with Green Stripe
 
Backup Lights
 		 Black with Pink
 
Electric Trailer Brakes
 
Connect To Blue Wire From Brake Controller
 

 

 

Wire Function

GMC

 
Dual Purpose Bulb System

  
Right Turn & Brake Lights
 		 Green
 
Left Turn & Brake Lights
 		 Yellow
 
Tail Lights
 		 Brown
 
Ground
 		 Black
 

 
Single Purpose System

  
Brake Lights
 		 Pink or Light Blue
 
Backup Lights
 		 Light Green
 
Electric Trailer Brakes
 
Connect To Blue Wire From Brake Controller
 

 

 

Wire Function

  Honda

 
Dual Purpose Bulb System

         
Right Turn & Brake Lights
 		 Green with Yellow Stripe
 
Left Turn & Brake Lights
 		 Green with Blue Stripe
 
Tail Lights
 		 Red with Black Stripe
 
Ground
 		 Black
 

 
Single Purpose System

  
Brake Lights
 		 Green with White Stripe
 
Backup Lights
 		 -
 
Electric Trailer Brakes
 
Connect To Blue Wire From Brake Controller
 

 

 

Wire Function

 Jeep


Dual Purpose Bulb System

  
Right Turn & Brake Lights
 		 Brown
 
Left Turn & Brake Lights
 		 Grey with Black Stripe
 
Tail Lights
 		 Blue
 
Ground
 		 Black & Black
 

 
Single Purpose System

  
Brake Lights
 		 Blue with Black Stripe
 
Backup Lights
 		 Brown
 
Electric Trailer Brakes
 
Connect To Blue Wire From Brake Controller 

 

 

Wire Function

 Mazda

 
Dual Purpose Bulb System

          
Right Turn & Brake Lights
 		 Green with Yellow Stripe
 
Left Turn & Brake Lights
 		 Black Stripe
 
Tail Lights
 		 Green or Black Stripe
 
Ground
 		 Black
 

 
Single Purpose System

  
Brake Lights
 		 Green or Green with Red Stripe
 
Backup Lights
 		 -
 
Electric Trailer Brakes
 
Connect To Blue Wire From Brake Controller
 

 

 

Wire Function

 Toyota

 
Dual Purpose Bulb System

          
Right Turn & Brake Lights
 		 Green with Yellow Stripe
 
Left Turn & Brake Lights
 		 Green with Black Stripe
 
Tail Lights
 		 Red with Green Stripe
 
Ground
 		 Black or White
 

 
Single Purpose System

  
Brake Lights
 

Green with Red or White Stripe
Backup Lights
 		 -
 
Electric Trailer Brakes
 
Connect To Blue Wire From Brake Controller 

 

It is recommended that a circuit tester be used on the tow vehicle's wiring harness to verify that the correct wire has been located for the proper function. Please contact our Team via live chat, email, or call 800-300-4067 if you have any questions.

Posted in Towing 101
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