GM Double Contact Signal Park Light Socket Twist Fit 1998+ PDF Print Email Part #: 2443F 3-Wire GM Double Contact Rail, Turn and Stop Light Socket. Quantity Price ea. 1 + $19.334 + $16.4315 + $13.53 Back to: GM Chassis Connectors Ask a question about this product GM Side Marker Pigtail Socket 1988 + GM Single Contact Light Socket 1988+ Description 3-Wire GM Double Contact Rail, Turn and Stop Light Socket. From 1988 thru 2003. Replaces GM #12083006 and AC-Delco #LS12. Uses Wedge Bulb #3057 and #3157.