Dorman 973-303 HVAC Blower Motor Resistor Connector

Brand Dorman 973-303
Overall Length (In) 9.5 in
Package Contents 4-Wire Harness
Terminal Gender Female
Terminal Material Metal
Terminal Type Blade
Wire Gauge Measurement 12
Wire Quantity 4
Fits Ford and Mercury · 20 vehicles

OE direct replacement. Replaces a damaged original connector for a straightforward repair.

Corrosion-resistant terminals. Help maintain reliable electrical performance over time.

4-wire harness. Blade-style female terminals with metal construction.

Cross-references Standard Ignition S-719, 1P1247 and 615 for the same application. See all 6.

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Dorman 973-303 HVAC Blower Motor Resistor Connector

Dorman 973-303 is an HVAC blower motor resistor connector built to replace an original connector damaged by heat or corrosion. It uses corrosion-resistant metal terminals and a 4-wire harness layout to restore a secure electrical connection for the blower motor resistor circuit.

  • Direct replacement HVAC blower motor resistor connector
  • 4-wire harness with female blade terminals
  • 12-gauge wire construction
  • Overall length: 9.5 in.
  • Metal terminals for improved connection durability

Application Details

Compatible with Ford Focus, Mercury Cougar, Ford Contour, and Mercury Mystique applications that use this connector style. This Dorman 973-303 connector is a practical repair solution when the original plug shows signs of melting, corrosion, or terminal damage. This part cross-references Standard Ignition S-719 for the same application.

  • Fits 2000-2007 Ford Focus
  • Fits 1999-2002 Mercury Cougar
  • Fits 1997-2000 Ford Contour
  • Fits 1997-2000 Mercury Mystique

What It Helps Fix

  • Blower motor resistor connector overheating
  • Corroded or oxidized electrical terminals
  • Intermittent HVAC blower operation
  • Damaged or loose connector fit at the resistor
  • Electrical resistance caused by worn wiring connections

Installation Notes

Inspect the resistor and surrounding wiring before installation. Replace any heat-damaged terminals or brittle wire sections so the new connector seats properly and maintains a stable electrical path. Verify wire routing and terminal alignment against the vehicle’s original connector before final assembly.

Quality Assurance

Dorman manufactures replacement electrical components for repair applications and this connector is built with corrosion-resistant terminals to support reliable performance in the HVAC blower motor circuit.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007FordFocusN/A—
2006FordFocusN/A—
2005FordFocusN/A—
2004FordFocusN/A—
2003FordFocusN/A—
2002FordFocusN/A—
2002MercuryCougarN/A—
2001FordFocusN/A—
2001MercuryCougarN/A—
2000FordContourN/A—
2000FordFocusN/A—
2000MercuryCougarN/A—
2000MercuryMystiqueN/A—
1999FordContourN/A—
1999MercuryCougarN/A—
1999MercuryMystiqueN/A—
1998FordContourN/A—
1998MercuryMystiqueN/A—
1997FordContourN/A—
1997MercuryMystiqueN/A—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — S-7191P1247615EC158F5RZ14A411CAPT350