Low-Voltage Wiring Harnesses Techs

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The Low-Voltage Wiring Harnesses Technician is responsible for performing inspection, repair, diagnostics, and assembly of automotive wiring harnesses and related electrical systems. This role requires proficiency in computer-based diagnostics, electrical troubleshooting, mechanical/electrical component replacement, and the ability to communicate technical information to non-technical audiences including customers and internal teams.

Essential Duties & Responsibilities

• Perform complex electrical and mechanical repairs following dealership and/or OEM standards.

• Read and interpret wiring harness schematics.

• Build wire harnesses according to schematics and engineering specifications.

• Select proper crimp tools and terminals; complete electrical connectors per specification.

• Conduct quality checks on harness builds; use standard test equipment (DMMs, oscilloscopes, probes, power supplies).

• Perform soldering on assemblies as needed.

• Conduct root-cause analysis to identify electrical defects and failure modes.

• Analyze defect data to determine occurrence trends and defect types.

• Continuously learn new wiring harness and connector technologies.

• Diagnose and repair automotive electrical systems, wiring harness installations, and related components to specification.

• Explain mechanical and electrical diagnoses to management or customers in non-technical terms.

• Identify required repairs and perform corrective actions.

• Perform standard part replacements by following the Standard Maintenance Procedure (SMP).

• May be required to lead small groups of technicians (no pay adjustment).

• Participate in ongoing technical training to stay current with evolving technologies.

• Inspect and test vehicles; record findings for necessary repairs.

• Perform work within a manufacturing environment, including assembly-line activities.

• Perform other duties as assigned.

Qualifications & Requirements

• High school diploma or equivalent required.

• 2–3 years of experience building automotive or commercial vehicle wire harnesses preferred.

• ASE A6/T6 certification preferred.

• Valid U.S. driver’s license with a clean driving record.

• Ability to pass a background check and drug screening.

• Must be able to work assigned schedules, including multiple shifts, weekends, holidays, and required overtime.

• Strong verbal and written communication skills.

• Computer literacy required.

• Experience in OEM or manufacturing environments preferred.

• Team-oriented, adaptable, and committed to high customer service standards.

• Working knowledge of diagnostic shop equipment.

Environmental & Physical Requirements

• Exposure to extreme temperatures and loud environments.

• Some tasks performed outdoors in all weather conditions.

• Physically demanding role requiring regular standing, bending, lifting, and movement for 8+ hour shifts.

• Ability to lift, push, pull, or move up to 50 pounds.

• Ability to work at heights up to 20–25 feet.