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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2007 Chrysler Sebring Brake Light Diagnostics
2007 Chrysler Sebring
The owner of a 2007 Chrysler Sebring reports that their brake lights are not functioning after recently replacing the tail light assemblies. They are ...
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2009 Hummer H2 Brake Light Not Working
2009 Hummer H2
The owner of a 2009 Hummer H2 reports that the brake lights do not illuminate when the brakes are pressed, although all parking lights function correc...
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2015 Nissan Rogue Fuse Location Inquiry
2015 Nissan Rogue
The owner of a 2015 Nissan Rogue is trying to locate the fuses in their vehicle. They initially sought out the owner's manual but had difficulty findi...
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2005 GMC Envoy Warning Lights & HVAC Failure
2005 GMC Envoy
The owner reports that after a recent complete brake service and tune-up, warning lights including ABS and brake service indicators have returned inte...
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2006 Isuzu Ascender Brake Light Issue Diagnosis
2006 Isuzu Ascender
The owner reports that the brake lights on both the right and left tail lights are not functioning, although the brake light on the rear door is opera...
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Intermittent Stalling and Electrical Issues in 2007 Jeep Liberty
2007 Jeep Liberty
The owner of a 2007 Jeep Liberty with 70,000 miles reported that the vehicle wouldn't start one morning. After a jump start, the car started immediate...
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Lower Brake Lights Not Working on 2005 Nissan Quest
2005 Nissan Quest
The owner reports that the lower brake lights on their 2005 Nissan Quest do not function when the brake pedal is pressed, despite working for other fu...
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2005 Cadillac CTS Fault Codes P0343 & P0367 Diagnosis
2005 Cadillac CTS
The owner reports that the 2005 Cadillac CTS is showing fault codes P0343 and P0367, indicating potential issues with the camshaft position sensors. T...
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Saab 97x Front Headlights Not Functioning
2007 Saab 97x
The owner reports that the front headlights on their 2007 Saab 97x are not functioning, while all other lights work fine. The husband replaced the rel...
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2005 Suzuki Forenza Low Beams Not Working
2005 Suzuki Forenza
The owner of a 2005 Suzuki Forenza reports that the low beam headlights are not functioning, while all other electrical systems, including high beams ...
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2005 Infiniti G35 Battery Drain Diagnosis
2005 Infiniti G35
The owner of a 2005 Infiniti G35 sedan with 75,000 miles reports that the battery drains overnight despite ensuring everything is turned off. Previous...
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Service 4 Wheel Drive Warning on 2007 Chevy Avalanche
2007 Chevrolet Avalanche
The owner reports that every time the temperature drops to -10°C or lower, the 'Service 4 Wheel Drive' warning flashes on their 2007 Chevy Avalanche. ...
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2005 Toyota Tundra Electrical Issues After Battery Reconnection
2005 Toyota Tundra
The owner of a 2005 Toyota Tundra reports electrical issues after mistakenly hooking up the battery cables backward. The vehicle now exhibits symptoms...
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2009 Kia Optima Parking Lights Issue
2009 Kia Optima
The owner parked their 2009 Kia Optima at home after driving it and locked it, leaving the keys inside the house. Upon returning, the parking lights a...
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2007 Hyundai Elantra Air Bag Light Diagnosis
2007 Hyundai Elantra
The owner reports that the airbag warning light is illuminated on their 2007 Hyundai Elantra with approximately 95,000 miles. They have attempted to s...
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Compatibility of 2011 Corolla Stereo in 1991 Hilux
1991 Toyota Hilux
The owner is inquiring about fitting a 2011 Toyota Corolla stereo into a 1991 Toyota Hilux. They are specifically interested in whether the stereo, wh...
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2007 Jeep Grand Cherokee SRT8 Dash Light Issues
2007 Jeep Grand Cherokee
The owner reports that the dashboard lights flicker upon starting the 2007 Jeep Grand Cherokee SRT8, but the vehicle runs fine otherwise. The parking ...
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2010 Volkswagen Van Won't Start - Diagnostic Analysis
2010 Volkswagen Van
The owner reports that their 2010 Volkswagen Van will not start. The battery reads 12.27V, and a new starter has been installed. The engine turns free...
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Page 1 of 14 - Showing automotive fault analysis cases
Frequently Asked Questions
How do I test my car battery?
Test your car battery using a multimeter to check voltage (should be 12.6V when off, 13.7-14.7V when running). Our battery analysis cases show detailed testing procedures.
What causes electrical problems in cars?
Common electrical problems include battery failure, alternator issues, faulty wiring, blown fuses, and sensor malfunctions. Browse our electrical system cases for specific solutions.
How do I diagnose sensor problems?
Sensor problems often trigger diagnostic trouble codes. Use an OBD scanner to read codes, then follow our sensor diagnostic procedures for specific solutions.