Duramax Chevy Allison Transmission Wiring Harness With 7 Solenoids And 20 Pin Connector For 1000 2000 2400 Series Trucks Fits 2006 2014 Silverado 2500 3500 Sierra 2500 3500 Classic 2007 H1

Allison 7-Solenoid Wiring Harness for 1000/2000/2400 Trucks
✔️ Direct replacement 20-pin harness with 7 solenoids, single-pack

This under-hood wiring harness replaces the original 20-pin connector for the Allison LT 1000/2000/2400 transmissions. It's used to fix transmission shift issues in heavy-duty GM trucks, including Silverado/Sierra 2500/3500 models, the 2007 Silverado & Sierra Classic, and the 2006 Hummer H1.

✅ OE-style 20-pin connector with 7 solenoids for LT 1000/2000/2400 series
✅ Direct replacement for OEM part numbers 29543336, 3500087, JE36, 772117, 37955C, D116446B
✅ Meets or exceeds OE standards with heat tolerance and vibration resistance
✅ Fits Silverado/Sierra 2500/3500 (2006-2016), 2007 Classic models, and 2006 H1

💡 What is an Allison transmission wiring harness with 7 solenoids used for in Silverado/Sierra trucks?

This handy harness restores proper shift logic by reconnecting the transmission control circuit. - Key uses: fixes shift issues caused by electrical faults in LT1000/2000/2400 transmissions
- Compatibility: Silverado/Sierra 2500/3500 models and 2007 H1 Classic
- Durability: designed for heat and vibration resistance under hood
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