HomeDriveline and Axles > DifferentialDorman 600-600 4WD Actuator Wiring Harness
Part #: 600-600

Dorman 600-600 4WD Actuator Wiring Harness

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⚙️ 84 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, Yukon, and Blazer
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Reliable 4WD Actuator Wiring Harness for Chevrolet and GMC

The Dorman 600-600 4WD actuator wiring harness is designed to provide a secure and efficient electrical connection for your vehicle's four-wheel drive system. Engineered for select Chevrolet and GMC models, this plug-in harness ensures proper functionality and durability.

Key Features of the Dorman 600-600 Wiring Harness

  • Plug-in design for straightforward installation
  • Durable plastic jacket material for protection against wear and environmental factors
  • Pin terminal type for reliable electrical contact
  • Includes one complete 4WD wire harness
  • Compatible with Chevrolet Blazer, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, and GMC Yukon models

Detailed Product Description

The Dorman 600-600 wiring harness is specifically crafted to meet the electrical demands of the 4WD actuator system in various Chevrolet and GMC trucks and SUVs. Its plastic jacket material safeguards the internal wiring from abrasion, moisture, and heat, extending the lifespan of the harness. The pin terminal type ensures a secure and consistent connection, reducing the risk of electrical faults. The plug-in configuration simplifies replacement, minimizing installation time and effort.

Common Applications and Issues Addressed

  • Restores proper electrical connection to the 4WD actuator
  • Resolves intermittent or non-functioning 4WD engagement
  • Replaces damaged or corroded wiring harnesses
  • Eliminates electrical shorts or open circuits in the 4WD system
  • Supports reliable operation of four-wheel drive in Chevrolet and GMC trucks and SUVs

Installation Notes and Tips

  • Ensure vehicle compatibility with Chevrolet Blazer, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, or GMC Yukon before installation
  • Disconnect the battery before beginning installation to prevent electrical hazards
  • Use the plug-in connectors to avoid cutting or splicing factory wiring
  • Inspect connectors for corrosion or damage prior to installation
  • Secure the harness away from moving parts and heat sources to prevent premature wear

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring dependable performance and fitment. The 600-600 wiring harness undergoes rigorous quality checks to maintain electrical integrity and durability. This product is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandDorman
Part Number600-600
Hardwired or Plug InPlug-In
Jacket MaterialPlastic
Package Contents1 4WD Wire Harness
Terminal TypePin

This part fits 84 vehicles. Search below:

YearMakeModelPositionNotes
1996ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996ChevroletK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996ChevroletK2500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996ChevroletK2500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996ChevroletTahoeN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996GMCK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996GMCK2500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996GMCK2500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1996GMCYukonN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995ChevroletK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995ChevroletK2500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995ChevroletK2500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995ChevroletTahoeN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995GMCK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995GMCK2500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995GMCK2500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1995GMCYukonN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994ChevroletBlazerN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994ChevroletK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994ChevroletK2500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994ChevroletK2500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994GMCK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994GMCK2500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994GMCK2500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1994GMCYukonN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993ChevroletBlazerN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993ChevroletK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993ChevroletK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1993ChevroletK2500 SuburbanN/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1993ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993GMCK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993GMCK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1993GMCK2500 SuburbanN/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1993GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1993GMCYukonN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992ChevroletBlazerN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992ChevroletK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992ChevroletK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1992ChevroletK2500 SuburbanN/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1992ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992GMCK1500 SuburbanN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992GMCK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1992GMCK2500 SuburbanN/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1992GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1992GMCYukonN/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1991ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1991ChevroletK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1991ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1991GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1991GMCK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1991GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1990ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1990ChevroletK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1990ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1990GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1990GMCK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1990GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1989ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1989ChevroletK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1989ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1989GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1989GMCK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1989GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1988ChevroletK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1988ChevroletK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1988ChevroletK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1988GMCK1500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade
1988GMCK2500N/ATo 8,500 Lb. GVW; Only For Use w/Actuator 600-101 as Upgrade
1988GMCK3500N/AAxle Stamped ZLS, ZLT, ZLW, ZLX, ZLY, or ZB2; Only For Use w/Actuator 600-101 as Upgrade

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12376316

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.