Allison 1000 Internal Wire Harness, 6 Speed, 2006-2010 GM 6.6L Duramax LBZ LMM
Keep your Allison 1000 6-speed transmission shifting smoothly with a direct-fit OEM replacement internal wire harness. Electrical gremlins and erratic shifting are often traced back to a failing internal harness — do not let a worn harness sideline your truck. This replacement harness restores proper communication between your transmission's solenoids and control module, getting you back on the road with confidence.
Why Replace Your Internal Wire Harness?
- Eliminates erratic shifting, harsh engagement, and transmission fault codes
- Restores proper solenoid communication for smooth, reliable gear changes
- Direct OEM replacement — no modifications required
- Replaces OEM Part# 29543336
Fitment
2006–2010 GM 6.6L Duramax LBZ LMM
Compatible with Allison 1000 6-Speed Automatic Transmission