How to Determine Wiring Functions on a 1997 Ford F-150
Question:
Code for wire harnes1997 ford f 150
asked by: Tom
Expert Reply:
In order to determine the wiring functions on your 1997 Ford F-150, you are going to have to use a circuit tester like # PTW2993 if needed. Have someone run through the various functions in the truck while you test with the circuit tester.
The problem is that vehicle manufacturers can use any color wire they want for any purpose, and it changes from year to year and sometimes even within the same year (I have seen it). Because of this there is no standard and testing is the only way to determine function for sure.
On the Hopkins 7-Way, # HM40985, the wire functions are as follows:
Green: right turn signal
Yellow: left turn signal
White: ground
Brown: taillights and side marker lights
Blue: electric brake
Red: auxiliary power
Purple: backup/reverse lights
I have also included a link to our FAQ article on wiring harnesses that includes diagrams of various types of trailer connections. You will want to look at the functions, not the colors, because of the reason explained above.
Products Referenced in This Question
Product Page this Question was Asked From
Universal Wiring Harness for Hopkins Multi-Tow Vehicle-End Trailer Connectors - 4' Long
- Accessories and Parts
- Trailer Wiring
- Vehicle Wiring Harness
- Universal
- 7 Blade
- Hopkins
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Q&A: Recommended Bearing Kit For 2,000 Lb Boat Trailer Axle
- Q&A: Proper Replacement for Reliable ACT-7.5K Brake Actuator
- Q&A: How Does the Hopkins 7-Way part # HM40975 Wire to a Vehicle
- Article: How to Choose the Right Trailer Hitch Class
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: How to Measure for Trailer Hitch Drop
- Article: 2023 Holiday Must Haves
- Q&A: Is There a Difference Between Hopkins 7 and 4-Way Kits 40974 and 40975
- Article: Ball Mount Basics: Weight Capacity, Class, and Size
- Q&A: Is Removal of Wheels Required When Installing SumoSprings on a 2001 Winnebago
- Q&A: Installation of a 7-way Trailer Connector on a 2016 Toyota Tacoma Without the Factory Tow Package
- Q&A: What Hitch Will Fit My 2021 Toyota Rav4 Prime?
- Article: Trailer Wiring Diagrams
- Article: My Trailer Hitch Doesn't Fit