Auto Electrician (Automotive Electrician)
Electronic Equipment Installers and Repairers, Motor VehiclesDescription
Install, diagnose, and repair electrical and electronic systems in motor vehicles, including wiring, charging/starting circuits, sensors, control modules, lighting, and integrated accessories.
- • Diagnose faults in starting, charging, ignition, and lighting systems.
- • Use multimeters, oscilloscopes, and scan tools to test circuits, sensors, and modules.
- • Read and interpret wiring diagrams, schematics, and service information.
- • Repair or replace wiring harnesses, connectors, fuses, and relays.
- • Service and replace batteries, alternators, and starters.
- • Troubleshoot and resolve CAN bus and network communication issues.
- • Program, code, or initialize ECUs and control modules after repairs.
- • Install and integrate OEM or aftermarket accessories, such as alarms, lighting, tow wiring, and infotainment units.
- • Locate and eliminate parasitic battery drains and short circuits.
- • Perform continuity, voltage drop, and load tests to verify repairs.
- • Estimate parts and labor, document diagnostics, and complete repair orders.
- • Communicate findings and recommendations to customers or service advisors and follow safety procedures.
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Supply Chain & Transportation
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O*NET occupational data (work activities, skills, knowledge).
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Last reviewed: Jan 2026
