GM Connector 12146331 Cavity Diagram - 36F M/P 150/180/630 LT GRY Pinout

This document is a connector cavity (pinout position) diagram for a GM electrical connector, part number 12146331. The drawing shows the outline of the connector body as viewed from the face, with each terminal cavity labeled by its grid position. The cavities are organized in lettered columns (A through E) and numbered rows (1 through 8), with positions shown including A1–A4, A6–A8, B1–B8, C1–C8, D1–D8, and E1–E3, E5–E8. The caption identifies the connector as "CONN 36F M/P 150, 180, 630," indicating a 36-way female Metri-Pack connector using 150, 180, and 630 series terminals, and its housing color is listed as LT GRY (light gray). A reader can use this diagram to locate a specific terminal cavity when diagnosing or repairing wiring at this connector — for example, identifying which physical cavity corresponds to a circuit called out in a wiring schematic. The document contains no year, make, model, wire color, or circuit function information itself; it is purely a connector face view with cavity identification. It was uploaded to a 1998 Chevrolet C/K Pickup gallery, and nothing in the document contradicts that application.