2-Pin 15454358 6.3mm Female Connector – GM High-Current & Motorcycle Harness

Direct-fit replacement for GM OEM part number 15454358, a 2-pin 6.3mm pitch female connector from the Metri-Pack 630 series. Rated at up to 20A per pin, this connector is used for relay outputs, fan motor feeds, and high-draw accessory circuits on GM vehicles and motorcycle harnesses.

Key Specifications

• OEM Part Number: 15454358
• Pin Count: 2
• Gender: Female (with wire)
• Terminal Pitch: 6.3mm (Metri-Pack 630 series)
• 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 20A per pin
• Voltage Rating: 12V / 24V DC

Applications

• GM cooling fan relay output connector
• Fuel pump relay harness connection
• Horn relay output wiring
• Motorcycle main power feed circuits
• High-draw accessory harness (heated grips, auxiliary lighting)

Current Capacity Reference

• 1.5mm Micro-Pack 100: 7.5A/pin – sensors
• 2.8mm Metri-Pack 280: 13A/pin – injectors
• 6.3mm Metri-Pack 630 (this): 20A/pin – relays, fans, power feeds
• 7.8mm Yazaki: 30A/pin – main power, starters

Frequently Asked Questions

Q: What is the mating male connector for 15454358?
A: The mating male plug in the GM Metri-Pack 630 series is 15454357 (2-pin male). Verify the male housing part number on your vehicle harness before ordering.

Q: What wire gauge should I use for a 20A circuit?
A: Use a minimum of 14 AWG (2.0 mm²) for 20A continuous load. The pre-installed 18 AWG wire is suitable for circuits up to 10A.

Q: What crimping tool is needed?
A: Use the Kent-Moore J-38125-6 or Delphi 12085271 ratchet crimper for 6.3mm Metri-Pack 630 terminals.

Package Contents

1 × 2-Pin Female Connector (15454358) with 18 AWG wire and terminal insert