Troubleshooting Hints - Blower Controls

1. Check HTR-A/C Fuse by visual inspection.
2. Check Fusible Link B by visual inspection.
3. Check that ground G100 is clean and tight.
4. Check that the Blower Motor connectors and High Blower Relay are mated correctly and firmly seated.
5. If blower runs all of the time with Ignition Switch OFF, replace the High Blower Relay.
6. If blower runs all of the time with the Ignition Switch in RUN and Mode Selector OFF, replace the Mode Selector.
7. Replace the Mode Selector if the Blower Motor runs with the Ignition Switch in RUN and the Mode Selector in one but not all of the following modes: MAX, VENT, BI-LEV, HTR, BLEND and DEF.