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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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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Rough idle in gear with SES light on
unknown Saturn unknown
My stepdaughter's Saturn is experiencing a rough idle when in gear, just above the stall point, and the SES light is illuminated. Codes retrieved are ...
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2002 BMW 325ci Dash Lights Out and Fuel Issues
2002 BMW 325ci
The owner reports that the dashboard lights went out and the car stopped running, similar to a situation where it isn't getting fuel. They replaced th...
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TPMS Light Stays On After Tire Rotation
2008 Kia Optima
The vehicle owner reports that after rotating the tires on their 2008 Kia Optima, the TPMS (Tire Pressure Monitoring System) light remains illuminated...
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1998 Dodge Dakota Speed Sensor Diagnosis
1998 Dodge Dakota
The owner reports that upon starting the truck, both the brake light and ABS light remain illuminated on the dashboard. Additionally, the speedometer ...
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2005 Chevy Equinox Fuse Keeps Blowing, No Start Issue
2005 Chevrolet Equinox
The owner of a 2005 Chevy Equinox reports recurring issues with a blown fuse that controls the backup lights. Each time they attempt to start the vehi...
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2001 Kia Rio P0172 Error Code Diagnosis
2001 Kia Rio
The owner reports a 2001 Kia Rio LS TOP experiencing a check engine light with error code P0172, indicating a rich fuel condition. Recent repairs incl...
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2001 Cadillac STS HID Headlight System - Ballast Replacement
2001 Cadillac Seville STS
The passenger side low beam headlight of my 2001 Cadillac Seville STS has stopped working. Initially, I thought it was just a bulb issue, but I discov...
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1993 Lexus LS 400 Dashboard Lights Diagnosis
1993 Lexus LS 400
The owner of a 1993 Lexus LS 400 reports that the dashboard lights are malfunctioning. The problem manifests as flickering or complete failure of the ...
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1993 Nissan Sentra Alternator Overcharging Issues
1993 Nissan Sentra
The owner reports that their 1993 Nissan Sentra recently failed a Maine State Inspection due to the brake and battery lights illuminating continuously...
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2002 Buick Regal LS Lighting System Diagnosis
2002 Buick Regal LS
The owner of a 2002 Buick Regal LS reports multiple lighting issues. The tail lights and dashboard lights are not functioning despite replacing the he...
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2008 Pontiac Wave Front Headlight Wiring Issue
2008 Pontiac Wave
The owner reports that the front headlights of their 2008 Pontiac Wave are malfunctioning. The dealership advised that the wiring harness needs replac...
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2001 Cadillac Catera Dash Light Inoperative After Radio Install
2001 Cadillac Catera
The owner of a 2001 Cadillac Catera reports that after installing an aftermarket radio, the dashboard lights stopped working despite the radio functio...
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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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1984 Jeep Wrangler Dimmer Switch Modification
1984 Jeep Wrangler
The owner of a 1984 Jeep Wrangler is looking to modify the floor-mounted dimmer switch due to difficulty accessing it with larger feet. They want to i...
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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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Service Engine Light On - BMW 525i Diagnostics
2006 BMW 525i
The owner of a 2006 BMW 525i reports that the service engine light has illuminated after recently having the vehicle serviced. Additionally, the outsi...
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2008 Saturn Astra AC Compressor Diagnosis
2008 Saturn Astra
The AC compressor in my 2008 Saturn Astra failed in June 2013. I bought an AC Delco compressor and receiver/drier from Rock Auto, which my usual mecha...
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