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GMC Workshop Service and Repair Manuals

HVAC Fan - Inoperative in One or More of the Four Speeds|Page 5202 > < A/C - Blower Appears to Operate On 3 Speeds Instead of 5
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Blower Motor: All Technical Service Bulletins
HVAC Fan - Inoperative in One or More of the Four Speeds

File In Section: 1 - HVAC

Bulletin No.: 46-11-03

Date: December, 1994

Subject:
HVAC Fan Inoperative in One or More of the Four Speeds (Replace Blower Relay and Connector)

Models:
1992-94 Chevrolet and GMC Truck M/L Vans with Air Conditioner (RPO C60)

Condition

Some owners of the above listed models may experience one or more of the four speeds of the fan to be inoperative.

Cause

High blower relay inoperative.

Correction

Replace connector and high blower relay with service kit using the following procedure:

1.

Prep the vehicle. Be certain the negative ground cable is disconnected from the battery.

HVAC Fan - Inoperative in One or More of the Four Speeds|Page 5202 > < A/C - Blower Appears to Operate On 3 Speeds Instead of 5