Operational Checkout Procedure
A--Blower Control Switch
YES: Go to next check.
B--Temperature Control Lever
NO: Check heater fuse,
Engine running and at normal operating temperature.
wiring harness, and
motor. Go to Group
Turn blower control switch (A) to all four speed positions,
then back to OFF.
Does fan run in all four positions, then stop in OFF
With fan running at any speed, move temperature control
lever (B) to warm temperature position (rearward).
Does warm air exit from vents?
6 SEAT, DOORS, WINDOWS, LATCHES, AND LOCKS CHECKS