Connector is commonly used on 2004+ Ford applications for Throttle Body / Throttlebody position sensors. 2013-14 Mustang GT500 5.8L. 2007-12 Mustang GT500 5.4L. 2005-09 Mustang 4.6L. Wire used is mil-spec tefzel wire, common in aviation & motorsports, which is made of tinned copper strands.