Rostra Precision Controls 79-0087 Internal Transmission Wire Harness for Allison LCT 1000/2000/2400

The Rostra Precision Controls 79-0087 is a direct replacement internal transmission wire harness designed specifically for Allison LCT 1000, 2000, and 2400 series transmissions found in 2006-2009 GM 6.6L Duramax applications. This Generation 4 harness is engineered to OE specifications for precise fit, form, and function.

Key Features:

• 7-solenoid type design with blue trim connectors for 6-speed transmissions
• 20-pin main connector with gray housing for proper identification
• Manufactured with premium copper conductors and high-temperature resistant materials
• Direct replacement for GM OE part number 29543336
• Addresses a common failure point in LBZ and LMM Duramax pickup trucks

This internal wiring harness connects the transmission control module to the solenoid pack and sensors inside the Allison automatic transmission. It's a critical component for proper transmission operation, providing reliable electrical connections for shift control, torque converter lockup, and pressure regulation. Compatible with both 2WD and 4WD configurations.

Cross-Reference Numbers: GFX 411511BDR, Natpro 35869D, Transtar 121446C, WIT 116446B, Industry 37955C, OE 29543336