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      Your concern might be complex to diagnose and may require additional equipment to pinpoint the cause. In this case, you'll receive Digital Inspection results plus a quote to perform deeper diagnostic/test procedures.

      Top 100 Alternator Repair Shops in Colorado

      Edelweiss Euro

      Edelweiss Euro

      5
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Salta Service & Performance

      Salta Service & Performance

      5
      Certified
      Mo-Th 7:00 AM – 5:00 PM
      Fr-Su Closed
      Urban Autocare

      Urban Autocare

      4.9
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      ATLR: All Toyota Lexus Repair

      ATLR: All Toyota Lexus Repair

      4.9
      Certified
      Mo-Th 8:00 AM – 5:00 PM
      Fr 8:00 AM – 3:00 PM
      Sa-Su Closed
      EAS Tire & Auto

      EAS Tire & Auto

      4.9
      Certified
      Mo-Fr 7:00 AM – 6:00 PM
      Sa-Su Closed
      Urban Autocare

      Urban Autocare

      4.8
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      BG Automotive

      BG Automotive

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Urban Autocare

      Urban Autocare

      4.8
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      RSG OFFROAD

      RSG OFFROAD

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      BG Automotive

      BG Automotive

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Urban Autocare

      Urban Autocare

      4.8
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      Davis Repair

      Davis Repair

      4.8
      Certified
      Mo-Fr 7:00 AM – 6:00 PM
      Sa-Su Closed
      Zerby Automotive

      Zerby Automotive

      4.8
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      BG Automotive, Subaru formerly Nice Car

      BG Automotive, Subaru formerly Nice Car

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      EAS Tire & Auto

      EAS Tire & Auto

      4.8
      Certified
      Mo-Fr 7:00 AM – 6:00 PM
      Sa-Su Closed
      Urban Autocare

      Urban Autocare

      4.8
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa-Su Closed
      John's Auto Care

      John's Auto Care

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed
      Avalon Motorsports

      Avalon Motorsports

      4.8
      Certified
      Mo-Fr 7:15 AM – 6:00 PM
      Sa-Su Closed
      All Around Auto Care - Castle Rock

      All Around Auto Care - Castle Rock

      4.8
      Certified
      Mo-Fr 7:30 AM – 5:30 PM
      Sa 8:00 AM – 3:00 PM
      Su Closed
      BG Automotive

      BG Automotive

      4.8
      Certified
      Mo-Fr 8:00 AM – 5:30 PM
      Sa-Su Closed

      Related Fixes

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      Alternator Repair by city

      Symptoms of a bad alternator

      A bad alternator can take a toll on your vehicle’s electrical system, affecting the dashboard, lights, multimedia, AC, etc. This is because the alternator is one of the "pulsing hearts" of your vehicle's electrical and charging systems, acting as a power supply to many components. If you suspect an alternator issue in your car, read our checklist below to try and find similar symptoms to yours.

      1. Dim or Flickering Headlights

      A failing alternator struggles to provide consistent electrical power, causing headlights to dim or flicker.

      2. Battery Warning Light

      The vehicle’s dashboard illuminates the battery icon when the alternator fails to charge the battery adequately.

      3. Dead Battery

      A bad alternator fails to recharge the battery, eventually leaving it drained and unable to start the car.

      4. Electrical Failures

      Insufficient power output from the alternator can cause issues like malfunctioning power windows, radio, or dashboard lights.

      5. Strange Noises (Whining or Grinding)

      Worn bearings inside the alternator or a loose serpentine belt can create whining or grinding sounds near the engine.

      6. Burning Rubber or Electrical Smell

      Overheating in the alternator or a slipping belt can cause a distinct burning smell.

      7. Car Stalls or Struggles to Start

      A failing alternator can't supply enough power to keep the engine running or to start the car reliably.

      8. Dim Interior or Dashboard Lights

      A bad alternator reduces electrical power to the vehicle’s interior lighting and dashboard displays.

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