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A/C Blower Motor - Fails to Turn On

90buick12 Bulletin 90-1-17

Date Oct. '90

Ref. No. 90-195-1

Corp. Ref. No. 071101

SUBJECT: BLOWER MOTOR FAILS TO RUN (CHANGE SWITCH)

MODELS AFFECTED: 1987 SOMERSET 1987-90 SKYLARK


CONDITION:

There have been comments received that the blower motor fails to turn on.

CAUSE:

Figure 1:




The cause has been found to be failed electrical contacts inside the mode switch assembly located in the control head assembly. (Figure 1)

CORRECTION:

Figure 2:




This condition may be corrected by changing the mode switch assembly in the control head with a new switch P/N 22567340. (Figure 2)

Parts are currently available from GMSPO.

WARRANTY INFORMATION:

Labor Operation No.: D0240
Labor Time: .4 hour