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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1996 Chevy Truck Alternator Not Charging
1996 Chevrolet Truck
The truck was completely dead, requiring a jump from another vehicle to start. After starting, disconnecting the battery resulted in the truck dying a...
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1999 Honda Accord - Multiple Trouble Codes and Smell
1999 Honda Accord
The owner of a 1999 Honda Accord LX with a 4-cylinder manual transmission reports several trouble codes after a scan. They describe a strong acrid sme...
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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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2009 Pontiac G6 Security Light and Communication Issues
2009 Pontiac G6
The owner reports that the security light on their 2009 Pontiac G6 remained illuminated after a series of key cycles. Initially, the car also chimed a...
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2003 Dodge Caravan Intermittent Brake Warning Light
2003 Dodge Caravan
The owner of the 2003 Dodge Grand Caravan reports an intermittent brake warning light that activates without a clear trigger. They have recently repla...
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2003 Saturn L200 Alternator, Battery, A/C Problems Diagnosis
2003 Saturn L200
The vehicle owner reports issues with the alternator, battery, and A/C system on their 2003 Saturn L200. They noticed the check engine light and servi...
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Ford Explorer Fuse #14 Issue After Engine Install
1998 Ford Explorer
The owner recently installed a rebuilt 4.0L SOHC V6 engine in their 1998 Ford Explorer Sport. After the installation, they are experiencing a recurrin...
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1984 BMW 318 Turn Signal Electrical Diagnosis
1984 BMW 318
The owner reports that the turn signals and brake lights on their 1984 BMW 318 are not functioning. They have checked all fuses and confirmed they are...
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1997 GMC Jimmy Pulsating Electrical System Diagnosis
1997 GMC Jimmy
The owner reports that the entire electrical system is pulsating, including dash lights, headlights, and fuel gauge, with the dash voltmeter indicatin...
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Service Brake Light Diagnosis for 2000 Oldsmobile Alero
2000 Oldsmobile Alero
The owner reported that the service brakes light on the dashboard illuminated unexpectedly. They checked and filled the brake fluid to the proper leve...
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2003 Buick Rendezvous BCM Communication Issue
2003 Buick Rendezvous
The owner describes persistent issues with their 2003 Buick Rendezvous, where the BCM module appears to lose power intermittently. Alarms activate ran...
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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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Headlight Wiring Issues Diagnosis
2005 Suzuki Forenza
The owner of a 2005 Suzuki Forenza is experiencing complete loss of headlight functionality, while bright lights and parking lights are operational. T...
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1985 Jaguar Vanden Plas Electrical Lights Issue
1985 Jaguar Vanden Plas
The owner reports intermittent lighting issues with the left side engine compartment lights. Initially, all lighting functions were checked, including...
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1994 Chrysler Le Baron Transmission and Electrical Issues
1994 Chrysler Le Baron
The owner reports that their 1994 Chrysler Le Baron has lost reverse gear and can only drive for about 100 feet before losing power. The vehicle must ...
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2000 Chevy Cavalier Rear Window Defogger Issue
2000 Chevrolet Cavalier
The owner reports that the rear window defogger is not functioning. They have already replaced the switch and checked all fuses, confirming power comi...
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Speedometer and Odometer Not Functioning
1997 Nissan Pickup
The speedometer and odometer on a 1997 Nissan pickup started sticking a few months ago, but tapping on the dash would temporarily restore function. No...
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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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