Front Blower

1. CHECK that Blower Fuse 3 and HTR-A/C Fuse 12 are not open. If either fuse is open, LOCATE and REPAIR source of overload. REPLACE fuse(s).
2. CHECK that Grounds G105 and G202 are clean and tight.
3. CHECK that Front High Blower Relay is properly mated to its Connector.
4. Heater Blower operations at Single Speed independent of Switch setting or variations in Blower speed while driving may indicate that the Front Blower Resistor Coils are contacting one another.
5. Cyclic or periodic Blower operations at reduced speeds may be caused by operation of the Therm Limit in the Front Blower Resistor, if provided.