S15/T15 4WD P/U V6-262 4.3L (1988)
Blower Motor: Initial Inspection and Diagnostic Overview
Troubleshooting Hints
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If the Blower Motor does not operate in any speed, check the A/C HEATER FUSE, the Blower motor and all connections at the Blower Motor.
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If the Blower Motor only operates in high speed, check the blower resistors.
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If the Blower Motor does not operate in High Speed check the High Blower Relay and the (2) RED wire at the High Blower Relay.
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Go to A/C system check for a guide to normal operation. See: Testing and Inspection
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Go to System Check Table for a guide to normal Blower Operations. See: With Air Conditioning/System Check Table
System Check Table
