Main Functions: Check this connector on your Allison transmission, the oil can cause the pins to loose connection with the computer causing a shift inhibit light or limp home mode possibly leaving you stranded. Replace Allison Transmission Internal Wiring Harness to Fix Pass Through Connector Oil Leak
This harness fits all GM Gen 4 Models from 2006-2009 Allison LCT 1000 / 2000 / 2400; Chevrolet & GMC Duramax Diesel Applications.
Replace Part Number - Rostra 350-0087; GFX 411511BDR; Natpro 35869D; Original Equipment 29543336; Transtar 121446C; WIT 116446B; Industry 37955C.
7 solenoid design, 20-Pin Connector. With internal mode switch, Gen 4. Harness has the grey style case conenctor.
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