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Smart Junction Box C2280f

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 Smart Junction Box C2280f
G03245340Courtesy of FORD MOTOR CO.
SMART JUNCTION BOX C2280F CIRCUIT REFERENCE

Pin Number(s) Circuit Designation/Description Normal Condition/Measurement
4 CKT 1349 (PK/LG) auxiliary blower selector potentiometer feedback circuit Greater than 10,000 ohms to chassis ground and 0 volts.
5 CKT 1348 (GY/OG) auxiliary control potentiometer reference voltage Greater than 10,000 ohms to chassis ground and 0 volts.
17 CKT 1125 (BN) auxiliary control potentiometer ground Greater than 10,000 ohms to chassis ground and 0 volts.
18 CKT 1121 (DG/YE) auxiliary mode/temperature potentiometer feedback circuit Greater than 10,000 ohms to chassis ground and 0 volts.