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Home >> Ford >> 2004 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 382 (Engine Cooling System) >> Diagnosis And Testing >> Engine Cooling >> Connector Circuit Reference >> Cooling Fan Relay 3
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Cooling Fan Relay 3

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 3 Terminals
G03244258Courtesy of FORD MOTOR CO.
COOLING FAN RELAY 3 - CIRCUIT DESIGNATION/DESCRIPTION

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
30 CKT 461 (OG) cooling fan relay to fan motor Greater than 10 volts when cooling fan command on.
87 CKT 3828 (OG/BK) cooling fan motor ground 0 ohms to chassis ground when cooling fan is commanded high.
87A CKT 3850 (LG/VT) cooling fan motor to cooling fan circuit breaker Less than 100 ohms to chassis ground.