Brophy 12" OEM Truck-Side Female Trailer Wiring Connector Plug Pigtail
Replacement 7-way trailer connector pigtail for many late-model truck applications using this style rear trailer plug connection. Designed for repair situations where the existing truck-side wiring plug is corroded, damaged, or causing trailer light or brake connection issues.
Key Measurements & Specs
| Specification | Detail |
|---|---|
| Part Number / SKU | OE12 |
| Product Type | Truck-side 7-way trailer connector plug pigtail |
| Connector Style | 7-way blade trailer connector wiring plug / receptacle pigtail |
| Wire Lead Length | 12" behind the plug |
| Installation Type | Cut, test, and wire by function |
| Quantity Included | 1 replacement connector pigtail |
Fitment / Application
| Category | Details |
|---|---|
| Vehicle System | Truck-side trailer wiring system |
| Common Applications | Many late-model GMC, Chevy, Ford, Nissan, and similar truck applications using this connector style |
| Primary Fit | Verify before ordering by matching the connector style and wiring application on your truck |
| Important Note | Wire colors may not match your truck. Test and wire by function, not by color. |
Top Features
| Feature | Buyer Benefit |
|---|---|
| 7-Way Trailer Plug Repair | Helps restore truck-side trailer lighting and brake wiring connections when the original plug is damaged. |
| 12" Wire Leads | Provides wire length behind the plug for splicing into the vehicle harness. |
| Function-Based Wiring | Supports proper testing and wiring by circuit function during installation. |
| Aftermarket Replacement | Useful when replacing a damaged connector without buying a larger rear harness assembly. |
Overview
This replacement 7-way truck trailer connector pigtail is designed for repair work on truck-side trailer wiring systems. It replaces the plug connection behind the 7-way trailer socket when the existing wiring connector is corroded, damaged, or no longer making proper contact. This is an aftermarket replacement part for compatible OEM-style applications where the connector style and wiring functions match.
R&P Service Insight
Trailer wiring failures are often caused by corrosion, damaged terminals, poor ground connections, or moisture inside the rear connector area. This pigtail is intended for customers who are comfortable testing trailer wiring circuits and making proper electrical splices.
- Function First: Always test each circuit and wire by function, not by wire color.
- Connector Match: Confirm your truck uses this same rear plug style before ordering.
- Installation Skill: Basic vehicle wiring knowledge is required. Instructions are not included.
R&P Knowledge Hub
Compatibility: This plug is commonly used for many late-model GMC, Chevy, Ford, Nissan, and other truck applications, but fitment must be verified by connector style before ordering.
Vehicle / System Fit: Truck-side 7-way blade trailer wiring system.
Installation Notes: The wire colors on this pigtail may not match the colors on your truck. Use a tester and connect each wire by function.
Performance Insight: A clean, properly wired connector helps restore trailer lighting, brake power, auxiliary power, and ground circuits when the original truck-side plug has failed.
Brand & Fitment Note
Selling Brand: R&P Carriages aftermarket replacement trailer wiring component
Application Reference: Chevy, GMC, Ford, Nissan, and other truck names are used as fitment/application references only.
What This Means: This listing is for an aftermarket replacement 7-way trailer connector pigtail, not a guaranteed OEM-branded item unless specifically stated and verified.
Before Ordering: Verify the connector shape, mounting style, wire functions, and truck-side trailer wiring system before installation.
R&P Repair Insight
This part may help when trailer lights, electric brakes, or auxiliary trailer circuits are not working because of a damaged or corroded truck-side connector. Before replacing the plug, confirm the issue is at the connector and not in the trailer, fuse panel, brake controller, ground circuit, or vehicle wiring upstream.
- Check the Original Plug: Look for green corrosion, broken terminals, loose pins, or damaged wiring.
- Test the Truck: Verify power, ground, turn, brake, tail light, and auxiliary circuits before splicing.
- Protect the Repair: Use proper automotive wiring practices and seal splices from moisture after installation.
Wiring Code
| Molded Connector Wire | Function | Usual Trailer Wire |
|---|---|---|
| White Wire | Ground | White Wire |
| Red Wire | Left Turn and Brake | Yellow Wire |
| Brown Wire | Right Turn and Brake | Green Wire |
| Green Wire | Tail Lights | Brown Wire |
| Blue Wire | Brake Power | Blue Wire |
| Black Wire | 12 Volt Hot Lead | Black Wire |
| Yellow Wire | Auxiliary | Not specified |
Features
Truck-Side 7-Way Repair
Designed to replace a damaged or corroded connector behind the truck’s 7-way trailer plug.
12" Wire Leads
Includes 12" wire leads behind the plug for splicing into the vehicle wiring harness.
Aftermarket Replacement
Useful for repairing the connector without replacing a larger rear truck wiring harness when the plug is the problem.
Common Truck Applications
Commonly used on many late-model GMC, Chevy, Ford, Nissan, and similar truck trailer wiring systems where the connector matches.
Included Components
| Quantity | Item |
|---|---|
| 1 | 7-way truck trailer connector plug pigtail with 12" wire leads |
| Not Included | Installation instructions, tester, splice connectors, mounting hardware, or additional vehicle harness components |
