Electrical Diagnostics

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    6nz repair

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    Heavy-Duty Truck Electrical Diagnostics & Repair in Langley, BC and Surrounding Areas

    Electrical issues in heavy-duty trucks can lead to unexpected breakdowns, poor fuel efficiency, and delayed operations. At 6NZ Truck & Equipment Repair Ltd, we provide accurate, fast, and reliable electrical diagnostics and repair services for all major truck makes. Whether it’s a dead battery, failing alternator, or starter problem, our expert technicians use advanced diagnostic tools to find and fix electrical faults before they turn into costly repairs.

    We work on all major truck brands: Freightliner, International, Kenworth, Mack, Peterbilt, Volvo, and Western Star

    Our Electrical Diagnostic Services Include:

    Battery Testing & Replacement
    Alternator Diagnostics & Repair
    Starter System Repair
    Electrical Component Repair

    Battery Testing & Replacement

    Your truck's battery is the heart of the electrical system. We test battery health, check voltage output, and provide quick replacements using premium, long-lasting batteries suited for heavy-duty vehicles.
    Don’t get stranded—ensure your battery delivers dependable power.

    Alternator Diagnostics & Repair

    Alternators keep your battery charged and power your truck’s electronics while driving. We test for charging irregularities, belt issues, and alternator failure, and replace faulty units with high-quality OEM or aftermarket parts.
    Maximize uptime with a properly functioning charging system.

    Starter System Repair

    If your truck is slow to start—or won’t start at all—it could be the starter motor. We diagnose issues with starter motors, relays, and solenoids, ensuring your engine cranks smoothly every time.
    Get back on the road fast with reliable starter system repairs.

    Electrical Component Repair

    From lighting and dashboard gauges to sensors, wiring harnesses, and fuses, we inspect and repair every electrical connection in your truck. We also specialize in troubleshooting shorts, grounding issues, and diagnostic codes.
    Accurate repairs that keep your systems connected, lit, and fully functional.
    We proudly offer Electrical Diagnostics & Repair services in:
    Langley, Abbotsford, Surrey, Chilliwack, Maple Ridge, Coquitlam, Annacis Island, Richmond, White Rock, Vancouver, and surrounding areas.
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