Constant Control Relay Module

Constant Control Relay Module (CCRM), located on left side of engine compartment, is a solid-state electronic unit that partially controls operation of A/C compressor clutch and cooling fan. See Fig 1. For additional CCRM information and testing, see ELECTRIC COOLING FANS - EEC-V article.

Fig 1: Identifying A/C-Heater System Control Components

Courtesy of FORD MOTOR CO.