Grand AM L4-121 2.0L (1988)
Blower Motor Resistor: Customer Interest
A/C - No Difference Between Low/Medium BLower Speed
Bulletin Number:
90-8-24
Reference Number:
078106R
Publish Date:
6/90
Subject:
NO BLOWER SPEED CHANGE LOW TO MEDIUM (CORRECT WIRING)
Models
ALL 89-90 SUNBIRD AND 1988-89 GRAND AM
Affected:
MODELS 2.0L TURBO, ALL W/C41
CONDITION:
There have been some customer comments of no medium blower speed on standard heater (C-41) equipped vehicles. The blower functions normally on
high speed but there is no apparent difference in air flow between low and medium speed.
CAUSE:
The 51 circuit and the 52 circuit wires at the blower motor resistor, cavities D and B, are reversed.
CORRECTION:
Refer to service manual 8A-60-0 for proper wiring procedure.
WARRANTY INFORMATION:
Labor Operation Number:
N6310
Labor Time
:
0.5 Hour
Trouble Code
:
92