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Allison Transmission 29541852 NSBU Switch 2001-2005 LB7 LLY 5-Speed 1 Plug

29541852 - 15C
Genuine Allison Transmission 29541852 NSBU (Neutral Safety Back Up) Assembly 1 Plug
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Description

Allison Transmission 29541852 NSBU Assembly 2001-2005 LB7 LLY 5-Speed 1 Plug

 

One of the most common problems with the Allison transmission is failure of the Neutral Safety Back Up switch. This genuine OE replacement switch is the single plug style that can be found on 2001 2002 2003 2004 2004.5 2005 LB7 or LLY Duramax trucks/vans. DHD always recommends to visually identifying the switch on your transmission before ordering, some trucks are equipped with a 2-plug NSBU. The NSBU switch can be installed with common hand tools and does not require programming.

Some of the common symptoms of failure are:

  • 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

Its best practice to carefully inspect the wiring at the NSBU switch during service, its common to find damaged or corroded wiring that must be address for proper operation. For a OE color coded wiring repair kit see DHD 100-449.

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Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.
  • W4.0000” x H2.0000” x L6.0000”

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