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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 1
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Cooling Fan Relay 1

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 1 Terminals
G03244256Courtesy of FORD MOTOR CO.
COOLING FAN RELAY 1 - CIRCUIT DESIGNATION/DESCRIPTION

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
30 CKT 1824 (LG/VT) cooling fan relay to fan motor Less than 100 ohms to chassis ground.
87 CKT 1822 (LB) cooling fan relay voltage Greater than 10 volts at all times.
87A CKT 1826 (YE/RD) cooling fan relay to cooling fan circuit breaker 0 volts and greater than 10,000 ohms to chassis ground.