Review on 🔌 ACDelco GM D2256C Park/Neutral Position & Back-Up Lamp Switch: Genuine Original Equipment for Reliable Performance by David Plunkett

Name: 🔌 ACDelco GM D2256C Park/Neutral Position & Back-Up Lamp Switch: Genuine Original Equipment for Reliable Performance
Item: 🔌 ACDelco GM D2256C Park/Neutral Position & Back-Up Lamp Switch: Genuine Original Equipment for Reliable Performance
Rating: 4

September 22, 2022

Shift Lock Indicator

Comes in an Allison OEM box. It turned out that the problem was not in the ignition switch. They've been known to fail, but apparently the ignition switch can cause a voltage drop across the transmission solenoid. After replacing the switch, the shift lock light went out and the carts work normally. 03 Duramax with 5G Allison.

Pros