Review on π ACDelco GM D2256C Park/Neutral Position & Back-Up Lamp Switch: Genuine Original Equipment for Reliable Performance by Corey Bigglesworth
Installing my 2002 2500HD Duramax LB7 with Allison 5spd. My problem with NSBU is solved!
It started when I lost the transmit notification light. However, I could see the PNRD321, but I couldn't see which one I actually switched. Then my door locks stopped working when I turned off the transmission. Then the service engine light came on with codes PO708 and PO700. Changed NAS, cleared codes and my problem was solved! My local auto parts store (not even NAPA :) wanted the price here to be double the price and the 1 day delivery from Revain Prime (Revain actually took 2) is a tough deal. If you're having trouble, change your NSBU now and save yourself the headache.
- Good thing
- Clarity
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