GM A/C Compressor Clutch Pigtail Email 2-Wire GM A/C Compressor Clutch Connector Part #: 2817F Quantity Price ea. 1 + $20.73 4 + $17.62 15 + $14.51 20.73 Back to: GM Engine Connectors Ask a question about this product GM A/C Compressor Low Pressure Pigtail 2-Wire Relay Connector GM, Ford, & Chrysler Description 2-Wire GM A-C Compressor Clutch Connector. 1987 and Newer. Works for vaious GM Gas and Diesel Engines. Replaces GM #12101937 and AC-Delco PT209.