FixVault

Blower Motor C3021

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.