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Allison NSBU Switch 2001-2004

Allison NSBU Switch 2001-2004

Availability: In Stock
Part#: 29540479

Allison NSBU Switch 2001-2004

Fits 2001-2004 Chevy/GMC 2500/3500HD

Part# 29540479


One of the most common problems with the Allison transmission is failure of the Neutral Start Back Up switch. 
 Some of the symptoms of failure include but are not limited to:
  • No start condition
  • Gear shift indicator on dash not following properly
  • Trans stuck in limp mode or fail safe
  • DTC's set indicating pressure switch codes
  • This switch easily installs with just common hand tools. 

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