Electrical System Fault Analysis Cases
Complete database of electrical system problems including battery issues, charging system failures, lighting problems, and sensor diagnostics.
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2006 Mitsubishi Galant AC Clutch Issue
2006 Mitsubishi Galant
The owner reports that when the ignition is turned off and keys are removed, the light on the AC knob remains illuminated and the blower continues to ...
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2006 Chevy Malibu SS Intermittent Lean Code P0174
2006 Chevrolet Malibu SS
The owner recently bought a 2006 Chevy Malibu SS with 45,000 miles. They've noticed the check engine light intermittently activating, and the vehicle ...
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Persistent Engine Light After Refueling
2005 Honda Accord
The owner of a 2005 Honda Accord 6-cylinder sedan reported that after refueling at a no-name gas station during a road trip, the engine light illumina...
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1994 Buick Lesabre Wiring Issues Causing Battery Drain
1994 Buick Lesabre
The owner reports that the wiring in their 1994 Buick Lesabre seems crossed, leading to battery drain. The fuse for the A/C, heating, radio, and chime...
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Intermittent Stalling and Warning Lights in 1991 Honda Civic
1991 Honda Civic
The owner of a 1991 Honda Civic LX reports intermittent stalling while driving. The tachometer drops to zero suddenly, followed by a clicking sound fr...
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Cruise Control Inoperative on 1992 Cadillac Deville
1992 Cadillac Deville
The owner of a 1992 Cadillac Deville reports that the cruise control system is not functioning despite successful tests on the switch and related comp...
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1994 Chevy Camaro V6 Electrical Issues Diagnosis
1994 Chevrolet Camaro
The vehicle owner reports that both doors' electrical systems (windows and locks) have failed to operate after initially experiencing issues only with...
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1991 BMW 525 Onboard Computer Malfunction
1991 BMW 525
The owner reports that the onboard computer display on their 1991 BMW 525 has gone dark, although some data can still be seen during the day. They men...
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1993 Ford Mustang Fuel System Electrical Diagnosis
1993 Ford Mustang
The owner reports that the fuel pump does not activate when the ignition key is turned on. They have checked some fuses, but there is no sound from th...
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1994 Nissan Pulsar N14 Parking Lights Electrical Issue
1994 Nissan Pulsar N14
The owner of a 1994 Nissan Pulsar N14 hatchback with a 1500 cc engine is experiencing an issue with the parking lights. The problem was identified whe...
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1993 Dodge Shadow Brake Light and Turn Signal Issues
1993 Dodge Shadow
The owner reports that the driver side tail light works until the brake is applied, at which point it goes out. Additionally, the driver side turn sig...
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1991 Toyota Pickup Speedometer Diagnostic
1991 Toyota Pickup
The owner of a 1991 Toyota Pickup is experiencing issues with the speedometer not functioning. They have already checked the fuses without success and...
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2001 Pontiac Grand Am ABS Speed Sensor Diagnostics
2001 Pontiac Grand Am
The owner of a 2001 Pontiac Grand Am GT with a 6-cylinder engine is experiencing issues with the ABS system. The right front ABS wheel speed sensor is...
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1997 GMC Steering Sensor Issue During Left Turn
1997 GMC Unknown
The owner reports that the GMC vehicle exhibits free spinning of the steering wheel when turning left. This issue seems to occur primarily at low spee...
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1999 Jeep Cherokee Sport Fog Lamp Diagnosis
1999 Jeep Cherokee Sport
The fog lamps on my 1999 Jeep Cherokee Sport are not functioning. Initially, I replaced the factory switch which temporarily turned them on, but only ...
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2003 Saturn Ion Brake Light Malfunction Diagnosis
2003 Saturn Ion
The passenger side brake light on my 2003 Saturn Ion is not functioning while the driver’s side works correctly. I have replaced both the bulbs and th...
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2002 Chrysler Town and Country RH Turn Signals Quit
2002 Chrysler Town and Country
The owner of a 2002 Chrysler Town and Country reports that the right turn signals have stopped working. The tail light does illuminate when the headli...
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Automatic Shutdown Relay Operation Diagnosis
2000 Dodge Caravan
The owner of a 2000 Dodge Caravan reports that the vehicle won't start and exhibits a chattering sound from the Automatic Shutdown Relay (ASR) after c...
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