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Heavy Duty Commercial Truck Auto Electrician / Diagnostic Technician

Modern Shop
Gary, IN Full Time
POSTED ON 10/4/2026
AVAILABLE BEFORE 2/1/2027

We are looking for a skilled Heavy Duty Commercial Truck Auto Electrician / Diagnostic Technician to join our repair shop. The candidate will be responsible for diagnosing, troubleshooting, and repairing electrical and electronic systems on Class 8 commercial trucks (Volvo, Freightliner, Kenworth, Peterbilt, etc.).

Key Responsibilities:

Computer Diagnostics: Perform diagnostic scans using dealer-level

Electrical Troubleshooting: Trace, test, and repair wiring harness issues, open circuits, short circuits, voltage drops, and poor ground connections.

Aftertreatment System Repair: Diagnose DEF/DPF/SCR electrical components, including NOx sensors, temperature sensors, wiring harnesses, and dosing pumps.

CAN Bus & Module Diagnostics: Diagnose multiplexing systems, CAN bus line issues, and perform basic programming or replacing of electronic control units (ECM, BCM, etc.)

Requirements & Qualifications:

Experience: Minimum 2–3 years of hands-on experience as an auto electrician or diagnostic technician on Class 8 heavy-duty trucks.

Tools: Personal basic electrical testing tools (multimeter, test lights, back-probe kits, and hand tools).

Technical Skills: Advanced ability to read and interpret electrical wiring schematics. Proficiency with diagnostic software (Cummins Insite, Detroit DDDL, Volvo PTT, JPRO, etc.).

Soft Skills: Strong analytical and troubleshooting skills, attention to detail, and a safety-conscious mindset

Pay: $50.00 - $60.00 per hour

Work Location: In person

Salary : $50 - $60

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