Trailer Tow Wiring Harness Plug for Ford F250 F350 (1999-2001)

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Details

Intro Section

  • Trailer tow wiring harness plug restores the rear trailer connector circuit.
  • Fits for Ford F-250 Super Duty and F-350 Super Duty with factory tow package.
  • 4 and 7 pin socket design supports trailer lighting and auxiliary circuits.
  • Check full fitment, part numbers, package contents, and installation notes below.
Brand Model Year
Ford F-250 Super Duty 1999 2001
Ford F-350 Super Duty 1999 2001

✅ Exact Fitment Guarantee | If you are unsure about compatibility, contact us at service@egrperformance.com with your VIN.

Shipping Details

Ontario CA / Springdale OH / Newark NJ

Package List

Complete Package Contents

  • Quantity 1:4 and 7 pin trailer wiring plug harness.
Delivery Time

2-5 working days inland in the United States

Product details

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Product Overview

  • Product type:Rear trailer tow wiring harness plug.
  • Socket type:4 and 7 pin trailer connector.
  • Fitment type:Direct replacement for factory reference part.
  • Function:Connects trailer lights, brakes, and auxiliary power circuits.
  • Placement:Rear vehicle trailer connector location.

Ideal For

  • Trailer light failure:Solve weak or missing trailer light connection.
  • Damaged rear socket:Solve cracked or corroded tow plug issues.
  • Brake signal issue:Solve poor trailer brake light connection.
  • Tow package service:Solve worn 4 and 7 pin connector replacement.

Technical Specifications

  • Brand:EGR Performance.
  • Product type:Wiring harness kit.
  • Part type:Hitch plug.
  • Socket type:4 and 7 pin.
  • Connector type:Male.
  • Placement on vehicle:Rear.
  • Color:Black.
  • Number in pack:1.
  • Item width:7.08 in.
  • Item height:5.12 in.
  • Replacement for OEM part number:YC3Z-13A576-CA.
  • Interchange reference:YC3Z 13A576 CA, YC3Z13A576CA.
  • Warranty:1 Year Limited Warranty against manufacturing defects.

Why Choose EGR Performance

  • Fitment Support:Solve compatibility concerns by VIN email check.
  • Clear Reference Data:Solve part matching using YC3Z-13A576-CA.
  • Truck Focused Listing:Solve tow connector search for Ford Super Duty.
  • Warranty Coverage:Solve defect concerns with 1 Year Limited Warranty.

Installation Information

Installation Difficulty Level

Easy

Estimated Installation Time

0.5-1 hour

Required Tools

  • Basic hand tools.
  • Battery terminal wrench.
  • Safety gloves.
  • Shop light.

Step-by-Step Installation Overview

  • Park the truck safely and disconnect the battery.
  • Locate the rear factory trailer tow connector.
  • Unplug the old connector from the rear harness.
  • Install the replacement harness plug into position.
  • Test trailer tail, brake, turn, and backup lights.

No printed instructions included. Professional installation is highly recommended. For technical support, contact service@egrperformance.com.

Troubleshooting and Problem Solving

Common Issues After Installation

  • No trailer lights:Connector not fully seated or trailer fuse issue.
  • One signal not working:Trailer side wiring or bulb may be faulty.
  • Loose plug fit:Rear mount or connector latch is not fully locked.
  • Intermittent lights:Dirt, corrosion, or trailer ground issue present.

Error Code Solutions

  • No confirmed DTC:This plug is not an engine control sensor.
  • Trailer lamp warning:Check fuse, ground, bulb, and socket seating.
  • Brake circuit warning:Inspect trailer brake wiring before towing.

How to Reset Check Engine Light After Installation

  • Confirm the harness plug is fully seated.
  • Scan the truck with an OBD2 scan tool.
  • Repair any unrelated stored vehicle faults.
  • Clear codes only after the fault is fixed.

What to Do If Your Vehicle Loses Power After Installation

  • Stop driving and disconnect the trailer.
  • Inspect battery terminals and rear harness routing.
  • Check truck fuses related to towing circuits.
  • Contact a qualified technician before towing again.

Core Advantages

  • Dual Socket Design:Supports4 and 7 pintrailer connections.
  • Direct Replacement:Uses1rear plug harness, no modification listed.
  • Protected Wiring:Sealed black conduit keeps wires contained at the rear.
  • Dust Cover:Spring loaded 7 way cover helps keep the socket clean.

Complete Package Contents

  • Quantity 1:4 and 7 pin trailer wiring plug harness.

Long-Term Maintenance Tips

  • Socket Check:Inspect every 6 months and remove visible dirt.
  • Dust Cover:Check before each tow to keep the 7 way socket covered.
  • Wire Conduit:Inspect every 6 months to prevent exposed wiring.
  • Trailer Test:Test lights before each tow to prevent road issues.
  • Mount Check:Inspect rear plug mount yearly to prevent looseness.

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Vehicle Fitment

  • Fits for Ford F-250 Super Duty 1999 2001.
  • Fits for Ford F-350 Super Duty 1999 2001.
  • Requires light or heavy duty trailer tow package.
  • Requires factory equipped 4 and 7 pin connector.
  • Not confirmed for trucks without factory trailer tow package.
  • Send VIN to service@egrperformance.com before ordering if unsure.
  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

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Will this fit my 1999 Ford F-250 Super Duty?

Yes, it fits for Ford F-250 Super Duty 1999 with the required tow package.

Will this fit my 2001 Ford F-350 Super Duty?

Yes, it fits for Ford F-350 Super Duty 2001 with the 4 and 7 pin connector.

Does this fit trucks without a trailer tow package?

No confirmed fitment is listed for trucks without the factory tow package.

What OEM part number does this replace?

It is a replacement for OEM part number YC3Z-13A576-CA.

Is this a 4 pin or 7 pin trailer connector?

This trailer tow wiring harness plug uses a 4 and 7 pin socket type.

Where does this part install on the truck?

It installs at the rear trailer connector location of the vehicle.

Is the connector type male or female?

The listed connector type is male.

Does the package include more than one harness?

No, the package includes 1 trailer wiring plug harness.

Are printed installation instructions included?

No printed instructions are included with this product.

Is professional installation required?

Professional installation is highly recommended for correct circuit testing.

Does this require modification?

The source listing describes this as direct replacement with no modification.

Can this connect trailer brake lights?

Yes, the listed function includes trailer tail, brake, turn, and backup lights.

Can this support electric trailer brake wiring?

The source listing states it connects electric trailer brake circuits.

Does it include a dust cover?

The listed design includes a spring loaded dust cover for the 7 way blade.

What should I do if I am unsure about fitment?

Email your VIN to service@egrperformance.com for compatibility support.

What warranty is included?

EGR Performance provides 1 Year Limited Warranty against manufacturing defects.