Could Black Wire of Trailer Wiring be the Ground Wire
Question:
I have tail lights brake lights but no blinkers I know that the wiring is correct green to green yellow to yellow brown to Brown white is ground but on my utility trailer there is no white ground wire but there is one thick black wire is that the ground and is that why my blinkers are not working
asked by: Bob G
0
Expert Reply:
Most likely that black wire is the ground since it's the only circuit not accounted for and is thicker than the other wires. It's not uncommon for trailer wiring to not be the standard colors. I attached a trailer wiring diagram for you to check out as well.
expert reply by:
Jameson C
0
click to enlarge
Product Page this Question was Asked From
T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Converter
- Custom Fit
- 4 Flat
- Tekonsha
more information >
Featured Help Information
Instructions
Continue Researching
- Shop: Replacement Dome Assembly for Ventline Ventadome Trailer Roof Vent - White - Wedge Shape - Plastic
- Shop: Ventline Ventadome Trailer Roof Vent - Manual - 14-1/4" x 14-1/4" - White - Birch Trim
- Video: Ventline Trailer Roof Vent Installation
- Video: Ventline Ventadome Trailer Roof Vent Installation
- Video: Ventline Ventadome Replacement Vent Installation
- Shop: Bauer Products Manger Door Lock for Horse Trailers - Matte Black - Zinc - Right Hand
- Shop: Bauer Products Manger Door Lock for Horse Trailers - Matte Black - Zinc - Left Hand
- Shop: Vent Cover for Ventline Old Style Rounded Dome Trailer Roof Vents - White
- Video: Hopkins Wiring - Trailer Connectors - H20043 Review
- Video: Hopkins 7-Way Molded Trailer Wire Connector Review
- Q&A: Which Wire is the Ground Wire on Sundowner Horse Trailer 6-Way
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Q&A: Wire Colors and Functions of Hopkins 7-Way Molded Trailer Wire Connector
- Article: Trailer Wiring Diagrams
- Shop: Trailer Wiring Junction Box
- Q&A: Will Hopkins 7-Way Molded Trailer Wire Connector Work With Trailer Connector On 2013 Toyota Tundra
- Q&A: Can 12V Auxiliary Wire on Trailer 7-Way Be Used To Power Trailer Brakes
- Q&A: Troubleshooting 7-Way Trailer Wiring with Colors That Don't Match Functions
- Search Results: hopkins breakaway
- Search Results: trailer hitch wiring
- Shop: Hopkins 7-Way RV Style Connector with Molded Cable - Trailer End - 8' Long - RV Standard
- Q&A: How Do I Wire Utility Trailer that has 2 Yellow and 2 Green Wires
- Q&A: Red, Black, and White Wire Functions on Old Trailer Light
- Video: Hopkins Trailer Break-Away Kit Installation
- Shop: Trailer Wiring
- Search Results: trailer junction box
- Search Results: hitch
- Video: Choosing the Right Trailer Wiring
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Shop: Trailer Hitch
Explore Expert Info
![Our Expert]()
on Custom Fit Vehicle Wiring
on Custom Fit Vehicle Wiring
