mercury Workshop Repair Guides

Mercury Workshop Service and Repair Manuals

Diagram Information and Instructions|Page 4898 > < Diagram Information and Instructions|Page 4896
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Integrated Control Relay Module: Description and Operation

Integrated Relay Control Module (IRCM)

The Integrated Relay Control Module (IRCM) interfaces with the Electronic Engine Control (EEC-IV) system to provide control of the cooling fan,
A/C clutch and fuel pump.  The module also contains the EEC power relay to provide power to the EEC-IV system.
The module is designed for underhood application.  The operating limits are as follows:

Operating Temperature ........................................................................................................................................................................  -30°C to 100°C
Storage Temperature ...........................................................................................................................................................................  -40°C to 125°C
Operating Voltage ....................................................................................................................................................................................  7 to 17 volts

Diagram Information and Instructions|Page 4898 > < Diagram Information and Instructions|Page 4896