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Home >> Ford >> 2003 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 400 (Engine Cooling System) >> Diagnosis And Testing >> Engine Cooling >> Connector Circuit Reference >> Cooling Fan Relay 4
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Cooling Fan Relay 4

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Cooling Fan Relay 4 Terminals
G03244259Courtesy of FORD MOTOR CO.
COOLING FAN RELAY 4 - CIRCUIT DESIGNATION/DESCRIPTION

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
30 CKT 462 (VT) cooling fan motor ground Greater than 10 volts when cooling fan command on medium or high.
87 CKT 1205 (BK) ground 0 ohms to chassis ground.
87A CKT 471 (OG/LG) cooling fan relay to cooling fan resistor Less than 5 ohms to chassis ground.