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Blower Motor C3021

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 Blower Motor C3021
G03245330Courtesy of FORD MOTOR CO.
BLOWER MOTOR C3021 CIRCUIT REFERENCE

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
1 CKT 536 (BK/LG) voltage from auxiliary blower motor relay Greater than 10 volts with the auxiliary climate control in any position except OFF.
2 CKT 515 (OG/RD) Ground for auxiliary blower motor Resistance of 0 ohms to chassis ground with auxiliary blower in the highest setting.