1979-1993 Ford Mustang 87-93 Mustang PCM to CCRM – EEC Pin Out Diagram by admin • December 7, 2016 • 0 Comments (Last Updated On: January 7, 2018)87-93 Mustang PCM to CCRM – EEC Pin Out Diagram This diagram shows a pinout for the pcm to ccrm eec to a fox body mustang 1987 – 1993. EEC Pin Out Diagram PCM to CCRM Wiring Diagram