Restoration of reliable gear selection functionality and shifting issues for 2001–2004 GM 2500 & 3500 Duramax is done seamlessly with Fleece Performance NSBU Pig Tail.

This pig tail repair harness for the NSBU switch plug/connector restores common failures within the NSBU switch harness ensuring reliable operation of the transmission and dependable no-start or gear indication failures.

Key Features:

Direct Replacement: Interface seamlessly with OEM components as blueprint specs were followed.

Durable Construction: In-house production using automatic wire slicing and terminal crimping ensures durability and consistency with standards.

Complete Kit: 6 inches pigtail with heat sealable butt style connectors are included.

Simplified Repair: Simulation repair eases time and effort thus maintaining costs as well.

Compatibility:

Engine: 6.6L LB7 Duramax

Transmission: Allison 1000/2000 Series

Replacement of pigtails or worn connectors on the NSBU switch is essential to ensure optimal transmission operation for your Duramax-powered truck. This pigtail from Fleece Performance is engineered with precision using high-grade components.