Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1994
>>
S15/T15 Sonoma P/U 2WD L4-134 2.2L
>>
Repair and Diagnosis
>>
Heating and Air Conditioning
>>
Blower Motor
Blower Motor
Expand All (for easy ctrl-f)
Collapse All
Description and Operation
Testing and Inspection
Initial Inspection and Diagnostic Overview
Circuit Operation
Preliminary Checks
Symptom Related Diagnostic Procedures
With Air Conditioning
Blower Motor Does Not Operate In Any Mode
Blower Motor Does Not Operate In Hi
Blower Motor Operates Only In Hi
Without Air Conditioning
Component Tests and General Diagnostics
Locations
Component Locations
Relay Bracket
Heater Harness
Blower Motor Relay
Engine Compartment View
Connector Locations
Harness Locations
Service and Repair
With A/C
Without A/C
Diagrams
Diagram Information and Instructions
Abbreviation
Cell References
Electrostatic Discharge (ESD Sensitive Devices)
Schematic Symbols
Wire Color Code Identification
Diagnostic Aids
General Troubleshooting Procedures
Basic Knowledge Required
Basic Electricity
Circuit Components
Circuit Malfunctions
Checking Terminal Contacts
General
Wiring Connector Terminal Replacement
Diagnostic Test Equipment
General
Jumper Wires
Unpowered Test Lamp
Self-Powered Test Lamp
Meters
General
Ammeter
Ohmmeter
Voltmeter
Electrical Diagnosis
General
Finding A Short Circuit or Ground
Intermittents and Poor Connections
Special Tools
Wire Repair Procedures
General
Wire Repair
Solderless Wiring Repair
Weather Pack(R) Connector
General
Weather-Pack Connector Replacement
Metri-Pack Connector
General
Metri-Pack Connector Replacement
Electrical Diagrams
With Air Conditioning
Without Air Conditioning
Specifications
Technical Service Bulletins