4-Pin 7186-8849 Unsealed Connector – Honda Tail Light / Brake Light / Turn Signal Harness

Direct-fit replacement for OEM part number 7186-8849, a 4-pin unsealed connector used for tail light assembly, brake light, and turn signal harness connections on Honda vehicles. The 7186-8849 is a Honda-specific part number for the rear lighting harness junction connector used across multiple Honda platforms.

Key Specifications

• OEM Part Number: 7186-8849
• Pin Count: 4
• Seal Type: Unsealed (for dry, protected environments)
• Wire Gauge: 18 AWG (0.5 mm²)
• Wire Length: 5.5 inches (140 mm)
• Housing Material: PA66 glass-filled nylon
• Terminal Material: Copper alloy, tin-plated
• Current Rating: Up to 13A per pin
• Voltage Rating: 12V DC

Tail Light Pin Assignment (4-Pin Honda)

Compatible Honda Vehicles

• Honda Civic (EK/EM/EP): Rear tail light assembly harness connector
• Honda Accord (CF/CG/CL): Tail light and brake light wiring
• Honda CR-V (RD): Rear lighting harness junction connector
• Honda Jazz / Fit (GD): Tail light assembly connector
• Cross-reference: Verify OEM part number 7186-8849 before ordering

Tail Light Connector Failure – Diagnosis

• Tail light not working: Check fuse first, then measure Pin 1 voltage with parking lights on – should read 12V
• Brake light inoperative: Measure Pin 2 with brake pedal depressed – should read 12V
• Turn signal not flashing: Check Pin 3 for pulsing 12V with turn signal activated
• Honda instrument cluster warning: Tail light circuit fault triggers warning light on Honda Civic and Accord

Frequently Asked Questions

Q: Can a bad tail light connector cause a brake light warning on Honda?
A: Yes. Honda Civic and Accord monitor brake light circuit continuity. A corroded or open-circuit 7186-8849 connector triggers the brake light warning on the instrument cluster even if the bulb is functional.

Q: What crimping tool is needed?
A: Use a ratchet crimper rated for 18 AWG (0.5 mm²) – Engineer PA-09 or equivalent precision ratchet crimper.

Package Contents

1 × 4-Pin Connector (7186-8849) with 18 AWG wire and terminal insert