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Dorman 599-102 Transfer Case Control ModuleOE Quality 60-Day Returns
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Part #: 599-102

Dorman 599-102 Transfer Case Control Module

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⚙️ 26 vehicles fit this part
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Select your vehicle to confirm fitment
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🚗Fitment: Chevrolet and GMC, Blazer, Jimmy, S10, and Sonoma
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Overview of the Dorman Transfer Case Control Module 599-102

The Dorman Transfer Case Control Module 599-102 is designed for precise control of transfer case functions in select Chevrolet and GMC vehicles. This module features an orange connector and pin-type terminals, ensuring reliable electrical connections for your transfer case system.

  • Compatible with Chevrolet Blazer, GMC Jimmy, Chevrolet S10, and GMC Sonoma models
  • Orange connector color for easy identification during installation
  • Pin terminal type for secure and consistent electrical contact
  • Includes one transfer case control module per package

Detailed Product Description

This transfer case control module by Dorman is engineered to meet the specific requirements of transfer case systems in Chevrolet Blazer, GMC Jimmy, Chevrolet S10, and GMC Sonoma vehicles. The orange connector provides a distinct visual cue to simplify wiring and maintenance tasks. The pin terminal design enhances connection stability, reducing the risk of electrical faults that can affect transfer case operation. Part number 599-102 ensures compatibility and proper fitment for the listed models, maintaining the integrity of your vehicle’s drivetrain control.

Common Applications and Problem Resolution

This transfer case control module is used to manage the engagement and disengagement of the transfer case, which is critical for four-wheel drive operation. It addresses several issues, including:

  • Intermittent or failed transfer case shifting
  • Loss of four-wheel drive functionality
  • Warning lights related to transfer case control on the dashboard
  • Erratic or delayed transfer case response
  • Electrical connection problems due to worn or damaged connectors

Installation Notes and Tips

When installing the Dorman 599-102 transfer case control module, ensure the orange connector is fully seated to prevent loose connections. Verify that the pin terminals align correctly with the vehicle’s wiring harness. It is recommended to disconnect the vehicle battery before installation to avoid electrical shorts. After installation, perform a system check to confirm proper transfer case operation and clear any diagnostic trouble codes.

Quality Assurance and Warranty

Dorman transfer case control modules are manufactured to meet or exceed OEM specifications for fit, form, and function. The 599-102 part undergoes rigorous testing to ensure durability and reliable performance in Chevrolet and GMC vehicles. This product is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandDorman
Part Number599-102
Connector ColorOrange
Package ContentsTransfer Case Control Module
Terminal TypePin

This part fits 26 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2005ChevroletBlazer4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2005GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2004ChevroletBlazer4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2004ChevroletS104WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2004GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2004GMCSonoma4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2003ChevroletBlazer4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2003ChevroletS104WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2003GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2003GMCSonoma4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2002ChevroletBlazer4WDN/Aw/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case); Four Button Selection Switch
2002ChevroletS104WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2002GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2002GMCSonoma4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2001ChevroletBlazer4WDN/Aw/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case); Four Button Selection Switch
2001ChevroletS104WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2001GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2001GMCSonoma4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2000ChevroletBlazer4WDN/Aw/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case); Four Button Selection Switch
2000ChevroletS104WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2000GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
2000GMCSonoma4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
1999ChevroletBlazer4WDN/Aw/RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case); Four Button Selection Switch
1999ChevroletS104WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
1999GMCJimmy4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.
1999GMCSonoma4WDN/AFits vehicles with RPO Code NP8 for 2 Speed Push Button Shift Transfer Case.

* 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:

1257741273-42102TCCM07TCCM07M

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

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