Circuit Testing Procedures

• WARNING
• CIRCUIT FUNCTIONS
• CIRCUIT INFORMATION
• DIAGNOSIS AND TESTING - WIRING HARNESS TESTING
• CHECK A BATTERY OR IGNITION VOLTAGE CIRCUIT WITH A 12-VOLT TEST LIGHT
• CHECK A CIRCUIT FOR A SHORT TO GROUND
• CHECK A CIRCUIT FOR VOLTAGE
• CHECK A GROUND CIRCUIT FOR AN OPEN USING A 12-VOLT TEST LIGHT
• CHECK FOR A SHORT BETWEEN MULTIPLE CIRCUITS
• CHECK FOR AN EXCESSIVE CURRENT DRAW
• CHECK THE RESISTANCE IN A CIRCUIT USING AN OHM METER
• CHECK THE VOLTAGE ON A 5-VOLT SUPPLY CIRCUIT
• ELECTROSTATIC DISCHARGE (ESD) SENSITIVE DEVICES
• VOLTAGE DROP TEST
• WIRE SPLICING
• REMOVAL
• INSTALLATION