Viper THCHN3 | T-Harness Gen 3 Chrysler DS4/DS4+

Cut your installation time in half with plug-and-play precision.

Product Overview

The Viper THCHN3 T-Harness Gen 3 is a vehicle-specific wiring harness designed to streamline the installation of Viper DS4 and DS4+ remote start systems in Chrysler, Dodge, Jeep, and RAM vehicles with MUX Key Style systems from 2007 onwards. This precision-engineered harness eliminates the need for wire splicing and cutting, providing a clean, professional installation that reduces labour time and potential wiring errors.

Specifically designed to integrate with Viper's advanced DS4 and DS4+ remote start systems, this T-harness maintains all factory vehicle functions while enabling remote start and security features. The plug-and-play design ensures compatibility with the vehicle's existing wiring harness, making it an essential component for professional installers and DIY enthusiasts working on Chrysler group vehicles.

Key Specifications

• Compatible with Viper DS4 and DS4+ remote start systems
• Fits Chrysler, Dodge, Jeep, and RAM vehicles 2007 and newer
• Designed for MUX Key Style vehicle systems
• Plug-and-play installation - no wire cutting required
• Vehicle-specific connector compatibility
• Maintains all factory vehicle functions during installation
• Professional-grade wiring and connectors

Features & Benefits

Reduced Installation Time - Pre-wired connections eliminate the need for wire identification, cutting, and splicing, reducing installation time by up to 50% compared to universal harnesses.

DS4/DS4+ System Integration - Purpose-built for Viper's latest DS4 and DS4+ remote start systems, ensuring optimal compatibility with their D2D 2.0 peripheral connections and high-current relay outputs.

Factory Function Preservation - Maintains all original vehicle functions including steering wheel controls, warning lights, and diagnostic systems during and after installation.

Professional Installation Quality - Clean, factory-like connections reduce the risk of electrical issues, ensuring reliable long-term performance and easier troubleshooting.

Wide Vehicle Coverage - Supports multiple Chrysler group brands across a 16+ year span, making it valuable for workshops handling various late-model vehicles.

Advantages & Limitations

Advantages:

• Significantly reduces installation labour time and complexity
• Eliminates wire splicing errors and potential damage to factory harnesses
• Maintains vehicle warranty by preserving original wiring
• Professional-grade connectors ensure reliable long-term connections
• Supports advanced DS4/DS4+ system features including 5 high-current relays

Limitations:

• Only compatible with Viper DS4 and DS4+ systems (not universal)
• Limited to Chrysler, Dodge, Jeep, RAM vehicles 2007 and newer
• Requires MUX Key Style vehicle systems (not compatible with older key types)

Technical Specs

• Compatibility: Viper DS4 and DS4+ remote start systems
• Vehicle coverage: Chrysler, Dodge, Jeep, RAM 2007+
• System requirement: MUX Key Style vehicles
• Connection type: Vehicle-specific plug-and-play connectors
• Wire gauge: Not specified
• Harness length: Not specified
• Operating temperature: Not specified
• Installation method: T-harness (connects inline with factory wiring)

Frequently Asked Questions

Will this work with older Viper remote start systems? No, this harness is specifically designed for DS4 and DS4+ systems only.

Does it fit all Chrysler group vehicles from 2007? Only vehicles with MUX Key Style systems. Some entry-level or fleet vehicles may use different systems.

Can I install this myself? While plug-and-play, remote start installation requires knowledge of vehicle electrical systems. Professional installation recommended.

Will this void my vehicle warranty? The T-harness design preserves factory wiring, but check with your dealer about aftermarket installations.

Compatible With / Goes Well With

• Viper DS4 remote start systems
• Viper DS4+ remote start and security systems
• Viper smartphone app integration modules
• Chrysler, Dodge, Jeep, RAM vehicles 2007-current with MUX Key Style systems
• Professional automotive installation tools

Note: Verify your specific vehicle's key system type before ordering. Not compatible with traditional key ignition systems.