• Auto Electric Repairs in Orange, CA

    Image of a Car Battery Being Fixed ASE Blue Seal Logo Joseph Harrington Automotive has proudly served Orange, CA, and the surrounding communities since 1986, specializing in auto electronic computer systems.

    Whether your vehicle needs a computer diagnostic, routine maintenance, or complex repairs, our team is fully equipped to handle it. Our ASE Certified technicians bring decades of experience and training to every job, ensuring your car, truck, or SUV—foreign or domestic—receives expert care that follows manufacturer guidelines.

    If your vehicle’s computer is acting up or in need of repair, give Joseph Harrington Automotive a call today to schedule your appointment. We’re dedicated to keeping Orange, CA drivers on the road with reliable service you can trust.



  • Image of a Car Battery Being Fixed

Your Auto Electric Computer Repair Specialist

We are the trusted choice in Orange, CA for diagnosing and repairing vehicle computer systems. With ASE Certified technicians and decades of experience, we provide reliable solutions for both foreign and domestic vehicles, keeping you safe and confident on the road.

  • Servicing Vehicle

  • Servicing Vehicle

    Our Services

    Auto Electric Repairs in Orange, CA


      • Battery Service
      • Alternator Service
      • Starter Service
      • Ignition Repair
      • Check Engine Diagnostics
      • Wiring Repair
      • Fuse & Relay Service
      • Warning Light Repair
      • Power Window/Lock Repair
      • Lighting Repair
      • Interior Lighting
      • Power Seat/Mirror Repair
      • Blower Motor Repair
      • Instrument Cluster Repair
      • Sensor Replacement
      • ECU/PCM Service
      • Remote Start/Alarm Repair
      • Charging System Service
      • Trailer Wiring
      • Electric Fan Repair

What Our Customers Say

Here’s what some of our Orange, CA customers are saying about us:





Frequently Asked Questions

Have Some Questions? We’re Here to Help



What are the signs of auto electrical problems?

Common signs include: difficulty starting the vehicle, dimming or flickering headlights, malfunctioning power windows or locks, burning smell from electrical components, and dashboard warning lights staying on. If you notice any of these, it’s best to contact Joseph Harrington Automotive in Orange, CA at 714-771-2487 for a diagnostic.


What causes electrical problems in cars?

Electrical issues are typically caused by a dead or failing battery, loose or corroded wiring connections, a faulty alternator, blown fuses, or damaged sensors and relays. Joseph Harrington Automotive in Orange, CA can help identify and repair these issues before they lead to breakdowns.


How do you diagnose an electrical issue in a vehicle?

At Joseph Harrington Automotive, we use advanced diagnostic tools such as OBD-II scanners, voltage and continuity testers, and visual inspections of the battery, alternator, starter, and wiring to pinpoint the problem accurately.


Can a weak battery cause electrical problems?

Yes. A weak or failing battery can cause slow or failed starts, malfunctioning electronics, and warning lights. If you're unsure about your battery, call 714-771-2487 to schedule a battery test with Joseph Harrington Automotive.


How much does it cost to repair a car’s electrical system?

Costs vary depending on the issue. Simple fixes like fuse or relay replacements may cost under $100, while complex jobs like alternator or wiring repair could range from $200 to $1,000+. Contact Joseph Harrington Automotive in Orange, CA for a quote.


What should I do if my car won’t start but the battery is good?

If your battery checks out, it could be a bad starter, ignition switch, or wiring issue. Call 714-771-2487 to schedule an inspection with the professionals at Joseph Harrington Automotive.


Can I drive my car with an electrical problem?

Minor issues may not be urgent, but major electrical problems can leave you stranded. It’s safest to have your vehicle checked by Joseph Harrington Automotive in Orange, CA as soon as you notice symptoms. Call us at 714-771-2487.


Why are my headlights dim or flickering?

This is often a sign of a failing alternator, corroded wiring, or a weak battery. If you’re experiencing dim lights, contact Joseph Harrington Automotive in Orange to have it diagnosed and repaired before night driving becomes unsafe.


Do you repair power windows, locks, and other accessories?

Yes, Joseph Harrington Automotive repairs a wide range of electrical accessories including power windows, door locks, electric seats, wipers, and lighting systems. For service in Orange, CA, give us a call at 714-771-2487.


How often should I have my vehicle’s electrical system checked?

We recommend an annual electrical checkup or anytime symptoms appear. Routine inspections at Joseph Harrington Automotive can help you avoid surprise failures and keep your vehicle safe and reliable.



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