WELLS VEHICLE ELECTRONICS - Engine Coolant Temperature Sending Unit Switch Connector [A00293] for Buick(2011-1997), Cadillac(2011-2003), Chevrolet(2016-2015, 2011-1997), GMC(2016-2015, 2011-1999), Hummer(2008-2003), Isuzu(2006-2005, 2003) *Wells Vehicle Electronics is a leading global engineer, manufacturer and supplier of advanced vehicle electronics solutions for OE and replacement applications. Every Wells component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability, and includes extensive application information and technical support.