Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1992SABLE LS, 4D SEDAN, 3.0 UREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETHEORY AND OPERATIONENGINE CONTROLS - THEORY & OPERATION - EEC-IVCOMPUTERIZED ENGINE CONTROLSCONTROL UNITINTEGRATED RELAY CONTROL MODULE (IRCM)
1992 Mercury Sable LS, 4D Sedan, 3.0 U
Integrated Relay Control Module (IRCM)
1992 Mercury Sable LS, 4D Sedan, 3.0 USECTION Integrated Relay Control Module (IRCM)
IRCM interfaces with the ECA to control cooling fan, A/C clutch and fuel pump operation. The IRCM also incorporates electronic engine control power relay to supply power to the EEC-IV system.
INTEGRATED RELAY CONTROL MODULE (IRCM) LOCATIONS
| Application | Location |
|---|---|
| Mustang (2.3L) | Right Shock Tower |
| Sable & Taurus | Radiator Support |
| Tempo & Topaz | Left Shock Tower |
NOTE:
Components are grouped into 2 categories. The first category covers INPUT DEVICES, which control or produce voltage signals monitored by the control unit. The second category covers OUTPUT SIGNALS, which are components controlled by the control unit.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.