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    Free Guide

    Auto Electrical Repair Cost Guide

    Know what you should pay for battery, alternator, sensor, and wiring repairs.

    Battery & Charging

    Battery Replacement (Standard)$100 — $250
    Battery Replacement (AGM/Premium)$200 — $400
    Alternator Replacement$300 — $700
    Starter Motor Replacement$250 — $600

    Sensors & Modules

    O2 Sensor Replacement$150 — $400
    Mass Airflow Sensor (MAF)$150 — $350
    Throttle Position Sensor (TPS)$100 — $250
    Crankshaft Position Sensor$120 — $300
    ECU / PCM Replacement$500 — $1500

    Lighting & Wiring

    Headlight Assembly Replacement$150 — $600
    LED/HID Headlight Conversion$100 — $400
    Wiring Harness Repair$200 — $800
    Electrical Short Diagnosis$80 — $200
    Fuse Box Repair/Replace$100 — $400

    Ignition System

    Spark Plug Replacement (4-cyl)$80 — $200
    Spark Plug Replacement (V6/V8)$150 — $400
    Ignition Coil Replacement$100 — $300
    Distributor Replacement$200 — $500

    Warning Signs of Electrical Problems

    Dim or flickering headlights
    Dashboard warning lights
    Slow cranking / hard starts
    Burning smell from wiring
    Dead battery (recurring)
    Blown fuses (repeated)