Fleece Performance NSBU Pigtail for 2004.5–2005 GM 2500/3500 Duramax with Allison Transmission

Restore shifting reliability and functionality on your 2004.5–2005 GM 2500 or 3500 Duramax using Fleece Performance NSBU Pigtail Fix.

This pigtail connector repairs preserves NSBU harness back pigtail failures and prevents gear position indicator errors and no-start scenarios.

Key Features:

Direct Replacement: Repair restores plug-and-play fitment per OEM guidelines.

Durable Construction: Assembly is completed with automated wire cutting and terminal crimping to ensure consistent quality.

Complete Kit: Kit contains 6-inch pigtails with heat sealable butt style connectors ensuring a tight waterproof seal.

Simplified Installation: Repair restore functions efficiently reducing hours of labor.

Ensure shift precision and reliability by preserving gear detection functions with replacement of NSBU connectors using Fleece Performance high-quality pigtails. Replacement is fast and conclusively resolves problems identified as early LLY truck design flaws.