K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
9.
Bolt the high blower motor relay to the blower motor case using two 5/8 inch long (size 14) hex head sheet metal screws through the pre-drilled
holes.
10.
Attach negative battery cable.
11.
Verify that the blower motor operates properly. If the blower motor does not function properly check all connections, and ground for poor fit or
interference.
12.
Using Tech 1, clear any codes in the RWAL memory and test drive the vehicle under the conditions outlined above to assure the false code 7 does
not set.
Service Procedure - C/K Trucks:
Figure 2A
Figure 2B
