Troubleshooting Hints - Blower Controls

(Perform before beginning System Diagnosis)

1. If the Heater and A/C Control Head is completely inoperative, check for an open in CKT 50 to the Heater and A/C Control Head. Also check for poor connections at Heater and A/C Control Head connector C1 terminal "A1" and terminal "C12."

2. Check for missing or damaged connector seals at the Blower Motor Resistors, and High Blower Relay.

3. Check A/C fuse if Blower Motor is inoperative.

^ Refer to System Diagnosis. System Check - Blower Controls