ATI Performance® 705515 - PCS Simple Shift™ Transmission Harness

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Vehicle Fitment

Aston MartinDB7 1997-1998
CadillacEscalade 2002-2003
ChevyAvalanche 2002-2006
Blazer 1994
CK Pickup 1993-2002
Express 1996-2015
G-Series 1993-1996
P-Series 1993-1999
Silverado 1500 2001-2007
Silverado 2500 1999-2007
Silverado 3500 2001-2007
Suburban 1993-2007
Tahoe 1995-1999
GMCCK Pickup 1993-2002
G-Series 1993-1996
P-Series 1993-1999
Savana 1996-2009
Sierra 1500 2001-2007
Sierra 2500 1999-2007
Sierra 3500 2001-2007
Suburban 1993-1999
Yukon 1993-1998, 2000-2007
Yukon Denali 1999, 2001-2003
HummerH1 1994-2004
JaguarXJ-Type 1993-1996

Product Details

PCS Simple Shift™ Transmission Harness (705515) by ATI Performance®. Simple Shift is the latest breakthrough in electronic overdrive transmission control. No laptops or hand-held tuning devices are required to completely control shift points, shift firmness, and torque convertor lockup. All parameters are simply adjusted with easy-to-use dials on the end of the Simple Shift unit.


  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements

ATI Performance Products is a family owned and operated company with over 50 years of experience in manufacturing top-grade race products, including competition transmissions, flexplates, adapter kits and internal transmission components. Located in Maryland, ATI Performance® produces a variety of true track-tested and proven products manufactured under the strictest quality control in one of the most advanced manufacturing facilities in the industry. ATI proudly holds over a dozen of U.S. Government patents.

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ATI Performance® 705515 - PCS Simple Shift™ Transmission Harness

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