2003 Honda S2000 Electrical Connector Parts

Engine:
2.0L L4

This page lists 59 electrical connector parts for the 2003 Honda S2000, across 36 part types, covering the 2.0L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.

On the 2003 Honda S2000, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. 12 parts of the 59 listed are Brake Light Switch Connector (4 parts), Ignition Coil Connector (4 parts) and Radio Connector (4 parts). The other 33 part types cover the remaining 47 parts.

A/C Compressor Clutch Coil Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS 70066
🇺🇸 US 🇨🇦 CA
1 Terminal Female
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This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

A/C Compressor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2965
🇺🇸 US 🇨🇦 CA
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This table covers the harness connectors at the A/C Compressor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

A/C Refrigerant Pressure Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S3230
🇺🇸 US 🇨🇦 CA
View on
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This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

ABS Wheel Speed Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2926
🇺🇸 US 🇨🇦 CA
Front
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This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Accessory Power Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1600
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
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UNITED MOTOR PRODUCTS CON30
🇺🇸 US 🇨🇦 CA
View on
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This table covers the harness connectors at the Accessory Power Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Intake / Charge Temperature Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2543
🇺🇸 US 🇨🇦 CA
Connector Shape: Round
Fitment notes — STANDARD MOTOR PRODUCTS S2543
Connector Shape: Round
Intake Air
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This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S3205
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Blower Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Control Module / Resistor Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS 70059
🇺🇸 US 🇨🇦 CA
5 Terminal Male
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HOLSTEIN 2HAR0005
🇺🇸 US 🇨🇦 CA
View on
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STANDARD MOTOR PRODUCTS S2447
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Brass
View on
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This table covers the connectors at the blower resistor or control module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Relay Connector

Brand Part Number Markets Notes Buy
FOUR SEASONS 70059
🇺🇸 US 🇨🇦 CA
5 Terminal MaleRelay Harness Connector
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This table covers the harness connectors at the Blower Motor Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Brake Light Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS HP4145
🇺🇸 US 🇨🇦 CA
HandypackConnector Shape: Rectangle
Fitment notes — STANDARD MOTOR PRODUCTS HP4145
HandypackConnector Shape: RectangleBlack
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STANDARD MOTOR PRODUCTS S1519
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1519
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 9Black
View on
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UNITED MOTOR PRODUCTS CON24
🇺🇸 US 🇨🇦 CA
Terminal Gender: FemaleTerminal Quantity: 4
Fitment notes — UNITED MOTOR PRODUCTS CON24
Terminal Gender: FemaleTerminal Quantity: 4Terminal Type: Blade
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WELLS 1P1789
🇺🇸 US 🇨🇦 CA
Terminal Quantity: 4Wire Quantity: 8
Fitment notes — WELLS 1P1789
Terminal Quantity: 4Wire Quantity: 8
with 4 Terminals
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This table covers the harness connectors at the Brake Light Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Camshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2908
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangularHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S2908
Connector Shape: RectangularHarness LengthCM: 43
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This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Crankshaft Position Sensor Connector

Brand Part Number Markets Notes Buy
HOLSTEIN 2HAR0061
🇺🇸 US 🇨🇦 CA
View on
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STANDARD MOTOR PRODUCTS S2854
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Door Lock Actuator Connector

Brand Part Number Markets Notes Buy
HOLSTEIN 2HAR0061
🇺🇸 US 🇨🇦 CA
with 3 Blade Terminals
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STANDARD MOTOR PRODUCTS S2854
🇺🇸 US 🇨🇦 CA
with 3 Blade Terminals
View on
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STANDARD MOTOR PRODUCTS S973
🇺🇸 US 🇨🇦 CA
Connector Shape: Square
Fitment notes — STANDARD MOTOR PRODUCTS S973
Connector Shape: Square
with 2 Terminal(s)
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This table covers the harness connectors at the Door Lock Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Injector Connector

Brand Part Number Markets Notes Buy
GB REMANUFACTURING 5193
🇺🇸 US 🇨🇦 CA
View on
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STANDARD MOTOR PRODUCTS S2291
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS 1P4067
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Pump / Circuit Opening Relay Connector

Brand Part Number Markets Notes Buy
GMB 5001002
🇺🇸 US 🇨🇦 CA
Fuel Pump Wiring Harness
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This table covers the harness connectors at the Fuel Pump / Circuit Opening Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Tank Pressure Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2547
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Fuel Tank Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1600
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
View on
Amazon
UNITED MOTOR PRODUCTS CON30
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Headlamp Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Wiring Harness / Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS LWH110
🇺🇸 US 🇨🇦 CA
Blue StreakHigh Temperature
Fitment notes — STANDARD MOTOR PRODUCTS LWH110
Blue StreakHigh Temperature
with H1 or H3 Bulb
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This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Horn Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1600
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
View on
Amazon
UNITED MOTOR PRODUCTS CON30
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Horn Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

HVAC Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1600
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
View on
Amazon
UNITED MOTOR PRODUCTS CON30
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the HVAC Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Idle Air Control (IAC) Valve Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2823
🇺🇸 US 🇨🇦 CA
View on
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This table covers the harness connectors at the Idle Air Control (IAC) Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ignition Coil Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2526
🇺🇸 US 🇨🇦 CA
View on
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ULTRA-POWER S2526
🇺🇸 US 🇨🇦 CA
View on
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UNITED MOTOR PRODUCTS CON207
🇺🇸 US 🇨🇦 CA
View on
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WALKER PRODUCTS 2701079
🇺🇸 US 🇨🇦 CA
View on
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This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Knock / Detonation Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S3085
🇺🇸 US 🇨🇦 CA
Terminal Gender: Female
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This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Manifold Pressure (MAP) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2547
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oil Pressure Sender / Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2543
🇺🇸 US 🇨🇦 CA
Connector Shape: Round
Fitment notes — STANDARD MOTOR PRODUCTS S2543
Connector Shape: Round
Fits:
VVT
or:
For Timing
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This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

On-Board Diagnostic (OBD) Port Connector

Brand Part Number Markets Notes Buy
WELLS 1P1474
🇺🇸 US 🇨🇦 CA
Universal Type
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This table covers the harness connectors at the On-Board Diagnostic (OBD) Port. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oxygen (O2) Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2857
🇺🇸 US 🇨🇦 CA
Upstream SensorColor Code Gray and White
Fitment notes — STANDARD MOTOR PRODUCTS S2857
Upstream SensorColor Code Gray and Whitewith 4 Female Terminals
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STANDARD MOTOR PRODUCTS S3096
🇺🇸 US 🇨🇦 CA
Gauge: 16 Gauge
Fitment notes — STANDARD MOTOR PRODUCTS S3096
Gauge: 16 Gauge
Downstream SensorColor Code Black and Whitewith 4 Male Terminals
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This table covers the harness connectors at the Oxygen (O2) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radiator Fan Relay Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S1600
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangleContact Terminal Material: Metal
Fitment notes — STANDARD MOTOR PRODUCTS S1600
Connector Shape: RectangleContact Terminal Material: MetalWiring Harness Length (In): 17.75Wiring Harness Length (mm): 450.85Black
View on
Amazon
UNITED MOTOR PRODUCTS CON30
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Radiator Fan Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radiator Fan Switch Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2543
🇺🇸 US 🇨🇦 CA
Connector Shape: Round
View on
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This table covers the harness connectors at the Radiator Fan Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radio Connector

Brand Part Number Markets Notes Buy
METRA 701721
🇺🇸 US 🇨🇦 CA
TURBOWireWire Harness
Fitment notes — METRA 701721
TURBOWireWire HarnessBlackFor Aftermarket Radio
Plugs Into Car Harness At RadioFor Power/4-Speaker
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METRA 711721
🇺🇸 US 🇨🇦 CA
TURBOWireRepair Wire Harness
Fitment notes — METRA 711721
TURBOWireRepair Wire HarnessFor OEM Radio
Plugs Into OEM RadioFor Power/4-Speaker
View on
Amazon
METRA 701721T
🇺🇸 US 🇨🇦 CA
TURBOWireAmp Bypass Wire Harness
Fitment notes — METRA 701721T
TURBOWireAmp Bypass Wire HarnessFor Aftermarket Radio
Plugs Into Car Harness
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METRA BT1721A
🇺🇸 US 🇨🇦 CA
Parrot Harness
Fitment notes — METRA BT1721A
Parrot Harness
Hands Free
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This table covers the harness connectors at the Radio. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Speaker Connector

Brand Part Number Markets Notes Buy
METRA 727800
🇺🇸 US 🇨🇦 CA
TURBOWireSpeaker Harness
Fitment notes — METRA 727800
TURBOWireSpeaker Harness
Requires 1 Kit Per Pair Speakers
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This table covers the harness connectors at the Speaker. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Speed Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2908
🇺🇸 US 🇨🇦 CA
Connector Shape: RectangularHarness Length
Fitment notes — STANDARD MOTOR PRODUCTS S2908
Connector Shape: RectangularHarness LengthCM: 43
View on
Amazon

This table covers the harness connectors at the Speed Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Temperature Sender / Sensor Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2543
🇺🇸 US 🇨🇦 CA
Connector Shape: Round
View on
Amazon

This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Wire Converter

Brand Part Number Markets Notes Buy
CURT 55151
🇺🇸 US 🇨🇦 CA
Wiring Kit
Fitment notes — CURT 55151
Wiring Kit
Powered Converter20 FT. LengthFor Use with Battery Powered Taillight ConvertersRequires Part Number 56146
View on
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This table covers the Trailer Wire converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.

Turn Signal Relay Connector

Brand Part Number Markets Notes Buy
ROSTRA 610893
🇺🇸 US 🇨🇦 CA
View on
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WELLS 1P1206
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Turn Signal Relay. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Voltage Regulator Connector

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS S2548
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the harness connectors at the Voltage Regulator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Buying Electrical Connector Parts for a 2003 Honda S2000

On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.

  • Confirm you have the 2.0L L4 engine — every part on this page is matched to it.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Brake Light Switch Connector and Ignition Coil Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2003 Honda S2000?

Our catalog currently lists 59 electrical connector parts for the 2003 Honda S2000 across 36 subcategories and 12 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.

What are the signs of electrical connector problems on a 2003 Honda S2000?

Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2003 Honda S2000 was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2003 Honda S2000?

Every part on this page is matched to the 2.0L L4 engine. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2003 Honda S2000

Electrical Connector Parts for Other Honda S2000 Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.