Four Seasons
Harness Connector

Four Seasons 70016 Engine Cooling Fan Switch Connector

Brand Four Seasons 70016
Connector Shape Oval
Description Harness Connectors
Gender Male
Style Harness Connector
Terminal Gender Female
Terminal Quantity 2
Type Connector
Product line Harness Connector
Fits Acura, Honda, and Mercedes-Benz · 100 vehicles

Harness connector. Male-to-female connector with an oval shape for a secure electrical link.

2 terminals. Compact connector keeps the wiring connection simple and organized.

Engine cooling fan switch connector. Purpose-built for the cooling fan switch circuit.

Cross-references Four Seasons 70016, Standard Ignition 2029 and 1P2661 for the same application. See all 6.

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Engine Cooling Fan Switch Connector for OE-Style Repair

Four Seasons 70016 is a harness connector for engine cooling fan switch applications. It is built with a male body, female terminals, and an oval connector shape to support a secure electrical connection in the cooling system circuit.

Compatible With Acura NSX, RL, CL, MDX, TL, Legend, Honda Odyssey, Pilot, Accord, and select Mercedes-Benz applications, this Four Seasons harness connector is a direct-fit service part for common cooling fan switch connector repairs. Four Seasons 70016 is also cross-referenced to Standard Ignition 2029 for the same application.

Key Features

  • Engine cooling fan switch connector for harness repair
  • Male connector body with female terminals
  • 2-terminal design for the specified circuit
  • Oval connector shape for OE-style fitment
  • Four Seasons Harness Connector line
  • Part number 70016 for catalog and service lookup

Detailed Description

This connector is intended for vehicles that use a 2-terminal engine cooling fan switch connection at the harness. The design supports direct replacement of worn, heat-damaged, or broken connector ends on cooling system wiring, helping restore a stable electrical interface at the switch. Fitment includes 1991-2005 Acura NSX, 1996-2004 Acura RL, 1999-2004 Honda Odyssey, 2003-2004 Honda Pilot, 1998-2002 Honda Accord, and additional Acura and Mercedes-Benz applications listed below.

Four Seasons 70016 is a practical service solution when the original connector housing or terminals are no longer making reliable contact. It is listed for Acura CL, MDX, TL, Legend, Honda Accord, Odyssey, Pilot, and Mercedes-Benz S-Class, SL-Class, E-Class, and related models. Use the vehicle-specific notes to confirm the exact connector location before ordering.

This part cross-references Standard Ignition 2029 for the same application.

What It Helps Fix

  • Intermittent cooling fan switch electrical connection
  • Heat-related damage to the original harness connector
  • Corrosion or terminal wear at the switch plug
  • Broken locking tabs or damaged connector housing
  • Cooling fan circuit faults caused by poor connector contact

Installation Notes and Tips

  • Verify connector shape, terminal count, and terminal gender before installation.
  • Match the vehicle application notes, especially where the listing specifies engine-mounted switch or cylinder head location.
  • Inspect the mating switch and harness for heat damage or corrosion before connecting the replacement part.
  • Confirm the connector seats fully and locks into place before returning the vehicle to service.

Quality Assurance

Four Seasons catalogs this part as a harness connector for engine cooling fan switch service. The OE-style configuration and application-specific fitment data support accurate replacement selection for listed Acura, Honda, and Mercedes-Benz vehicles.

This part fits 100 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005AcuraNSX——N/AHarness Connector
2004AcuraNSX——N/AHarness Connector
2004AcuraRL——N/AHarness Connector
2004HondaOdyssey——N/AHarness Connector
2004HondaPilot——N/AHarness Connector
2003AcuraCL——N/AAt Cylinder Head; Harness Connector
2003AcuraCL——N/AHarness Connector
2003AcuraMDX——N/AHarness Connector
2003AcuraNSX——N/AHarness Connector
2003AcuraRL——N/AHarness Connector
2003AcuraTL——N/AHarness Connector
2003HondaOdyssey——N/AHarness Connector
2003HondaPilot——N/AHarness Connector
2002AcuraCL——N/AAt Cylinder Head; Harness Connector
2002AcuraCL——N/AHarness Connector
2002AcuraMDX——N/AHarness Connector
2002AcuraNSX——N/AHarness Connector
2002AcuraRL——N/AHarness Connector
2002AcuraTL——N/AHarness Connector
2002HondaAccord3.0LV6N/AEngine Mounted Switch Connector; In Block; Harness Connector
2002HondaOdyssey——N/AHarness Connector
2001AcuraCL——N/AAt Cylinder Head; Harness Connector
2001AcuraCL——N/AHarness Connector
2001AcuraMDX——N/AHarness Connector
2001AcuraNSX——N/AHarness Connector
2001AcuraRL——N/AHarness Connector
2001AcuraTL——N/AHarness Connector
2001HondaAccord3.0LV6N/AEngine Mounted Switch Connector; In Block; Harness Connector
2001HondaOdyssey——N/AHarness Connector
2000AcuraNSX——N/AHarness Connector
2000AcuraRL——N/AHarness Connector
2000AcuraTL——N/AHarness Connector
2000HondaAccord3.0LV6N/AEngine Mounted Switch Connector; In Block; Harness Connector
2000HondaOdyssey——N/AHarness Connector
1999AcuraCL——N/AHarness Connector
1999AcuraNSX——N/AHarness Connector
1999AcuraRL——N/AHarness Connector
1999AcuraTL——N/AHarness Connector
1999HondaAccord3.0LV6N/AEngine Mounted Switch Connector; In Block; Harness Connector
1999HondaOdyssey——N/AHarness Connector
1999Mercedes-BenzS420——N/AHarness Connector
1998AcuraCL——N/AHarness Connector
1998AcuraNSX——N/AHarness Connector
1998AcuraRL——N/AHarness Connector
1998AcuraTL2.5LL5N/A2 Term. Male
1998HondaAccord3.0LV6N/AEngine Mounted Switch Connector; In Block; Harness Connector
1998Mercedes-BenzS420——N/AHarness Connector
1997AcuraCL——N/AHarness Connector
1997AcuraNSX——N/AHarness Connector
1997AcuraRL——N/AHarness Connector
1997AcuraTL2.5LL5N/A2 Term. Male
1997Mercedes-BenzS420——N/AHarness Connector
1996AcuraNSX——N/AHarness Connector
1996AcuraRL——N/AHarness Connector
1996AcuraTL2.5LL5N/A2 Term. Male
1996Mercedes-BenzS420——N/AHarness Connector
1995AcuraLegend——N/AHarness Connector
1995AcuraNSX——N/AHarness Connector
1995Mercedes-BenzS420——N/AHarness Connector
1995Mercedes-BenzS500——N/AHarness Connector
1995Mercedes-BenzS600——N/AHarness Connector
1995Mercedes-BenzSL500——N/AHarness Connector
1995Mercedes-BenzSL600——N/AHarness Connector
1994AcuraLegend——N/AHarness Connector
1994AcuraNSX——N/AHarness Connector
1994Mercedes-BenzE500——N/AHarness Connector
1994Mercedes-BenzS420——N/AHarness Connector
1994Mercedes-BenzS500——N/AHarness Connector
1994Mercedes-BenzS600——N/AHarness Connector
1994Mercedes-BenzSL500——N/AHarness Connector
1994Mercedes-BenzSL600——N/AHarness Connector
1993AcuraLegend——N/AHarness Connector
1993AcuraNSX——N/AHarness Connector
1993Mercedes-Benz300SD——N/AHarness Connector
1993Mercedes-Benz300SL——N/AHarness Connector
1993Mercedes-Benz400E——N/AHarness Connector
1993Mercedes-Benz400SEL——N/AHarness Connector
1993Mercedes-Benz500E——N/AHarness Connector
1993Mercedes-Benz500SEC——N/AHarness Connector
1993Mercedes-Benz500SEL——N/AHarness Connector
1993Mercedes-Benz500SL——N/AHarness Connector
1993Mercedes-Benz600SEC——N/AHarness Connector
1993Mercedes-Benz600SEL——N/AHarness Connector
1993Mercedes-Benz600SL——N/AHarness Connector
1992AcuraLegend——N/AHarness Connector
1992AcuraNSX——N/AHarness Connector
1992Mercedes-Benz400SE——N/AHarness Connector
1992Mercedes-Benz500E——N/AHarness Connector
1992Mercedes-Benz500SEL——N/AHarness Connector
1992Mercedes-Benz500SL——N/AHarness Connector
1992Mercedes-Benz600SEL——N/AHarness Connector
1991AcuraLegend——N/AHarness Connector
1991AcuraNSX——N/AHarness Connector
1991Mercedes-Benz300CE——N/AHarness Connector
1991Mercedes-Benz300SL——N/AHarness Connector
1991Mercedes-Benz350SD——N/AHarness Connector
1991Mercedes-Benz350SDL——N/AHarness Connector
1991Mercedes-Benz500SL——N/AHarness Connector
1990Mercedes-Benz350SDL——N/AHarness Connector
1990Mercedes-Benz500SL——N/AHarness Connector
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 70016Standard Ignition — 20291P266189046649A27216PT1697