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All Technical Service Bulletins for Blower Motor Resistor: > < Main System (Front)|Page 8517
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Blower Motor Resistor: Customer Interest
A/C - Fan Only Operates on High Speed

File In Section: 1 - HVAC

Bulletin No.: 66-11-03

Date: July, 1996

Subject: 
HVAC Fan Only Operates on High Speed (Replace Blower Motor Resistor Assembly)

Models: 
1995-96 Chevrolet and GMC C/K Models Built before the VIN breakpoints as shown.

Condition

Some owners may comment that the HVAC fan will operate only on high speed setting.

Cause

The blower motor resistor fails open.

Correction

Replace blower motor resistor assembly with new part, following the service procedure in Section 1B of the appropriate C/K Truck Service Manual.

Parts Information

P/N

Description

Qty

15024815

Resistor Asm - Blower Motor

1

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor
Operation

Description

Labor Time

D1002

Resistor, Blower

Use Published Labor

Motor - Replace

Operation Time

Important

Labor operation is coded to base vehicle coverage in the warranty system.

All Technical Service Bulletins for Blower Motor Resistor: > < Main System (Front)|Page 8517