674-00923 Dual Electric Fan Harness Supplier | ENJOE Harness
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674-00923 Dual Electric Fan Harness

674-00923-style dual electric fan relay harness for common GMT800 electric-fan retrofit and service applications.

  • 674-00923-style dual fan relay harness layout
  • Common GMT800 pickup and SUV electric-fan applications
  • Twin fan outputs with relay-bracket assembly
  • Suitable for retrofit, repair, and aftermarket supply programs
  • Connector and trigger verification recommended before order
674-00923 Dual Electric Fan Harness - ENJOE Harness

674-00923 Dual Electric Fan Harness Overview

674-00923-style dual electric fan relay harness for common GMT800 electric-fan retrofit and service applications.

This 674-00923-style dual electric fan harness is commonly listed for GMT800 truck and SUV applications including Silverado, Sierra, Tahoe, Suburban, Yukon, and Avalanche platforms. The assembly uses a twin-fan branch layout, relay bracket, and power leads to control two electric cooling fans in retrofit or repair programs. ENJOE can support matched harness production, aftermarket packaging, and project-based connector verification. Because fan connector, trigger strategy, and engine-platform details can vary, the original setup should be reviewed before order.

674-00923-style dual fan relay harness layout
Common GMT800 pickup and SUV electric-fan applications
Twin fan outputs with relay-bracket assembly
Suitable for retrofit, repair, and aftermarket supply programs
Connector and trigger verification recommended before order

Key Attributes

Common sourcing attributes for this cable type. Final build is confirmed by approved drawing, sample, and project requirements.

Product Type Dual electric fan control harness
Reference Number 674-00923
Common Fitment 1999-2006 Silverado / Sierra pickups and 2000-2006 Tahoe / Suburban / Yukon / Avalanche listings common; 2007 Classic pickup listings also common
Harness Layout Twin fan outputs with relay bracket
Power Leads Battery leads with dual-fan branch outputs
Trigger Style Low/high fan control style layout
Install Note Verify fan connector type, trigger arrangement, and engine platform before order
Package Scope Harness and relay bracket assembly
These attributes are presented as common project configurations for quotation and sourcing reference. Final connector layout, pin count, pinout, cable length, and packaging follow the approved project requirement.

Custom Options

OEM and project-based changes can be arranged according to your drawing, header layout, and packaging request.

Fan connector matching
Trigger-wire layout adjustment
Lead length and loom routing
Private-label packaging
Relay-bracket configuration review
Carton and barcode marking

Common Applications

This cable type is commonly used in the applications below, depending on board layout, interface style, and installation space.

Dual Electric Fan Retrofit Projects
Cooling System Harness Replacement
GMT800 Service And Upgrade Programs
Aftermarket Performance Cooling Supply
B2B Repair Parts Distribution

Quality Inspection

Each harness can be checked before shipment according to project requirements.

Connector mating verification Checked according to project requirements before shipment.
Continuity and circuit check Checked according to project requirements before shipment.
Relay and bracket assembly inspection Checked according to project requirements before shipment.
Lead-length and loom routing check Checked according to project requirements before shipment.
Final label and packaging verification Checked according to project requirements before shipment.

What We Need for Quotation

To review your project faster, please send the sourcing and technical details below.

  • Drawing or sample photo
  • Cable length and pin count
  • Connector type or header layout
  • Pinout or wiring sequence
  • Application and installation position
  • Working voltage / current if available
  • Estimated order quantity
  • Labeling, packing, or sampling requirements

Free Sample for Qualified B2B Projects

For real B2B projects with clear requirements, ENJOE can prepare one custom sample for evaluation. The customer covers the international shipping cost.

View Sample Program

Frequently Asked Questions

What vehicles does 674-00923 commonly fit?

Common listings cover GMT800 Silverado and Sierra pickups plus Tahoe, Suburban, Yukon, and Avalanche applications. Many aftermarket listings also include some 2007 Classic pickup applications.

Does this harness support two cooling fans?

Yes. This layout is built for dual electric cooling fan control with separate fan outputs and a relay-bracket assembly.

Is it plug-and-play for every GMT800 truck?

Not automatically. Fan connector style, trigger strategy, and engine-platform details can vary, so the original setup should be checked before order.

Does the package include the fans themselves?

No. This listing is for the control harness and relay-bracket assembly only unless a bundled kit is arranged separately.

What information should I send for fitment review?

Please send the year, model, engine, fan connector photos, and trigger details so we can confirm the correct dual-fan harness configuration.

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Send Your Drawing or Sample Photo

Share your wire length, connector type, sample photo, or drawing. For qualified B2B projects, we can prepare one custom sample for evaluation — you only cover the shipping cost.

Request Custom Harness Quote