370 Paterson Ave, East Rutherford, NJ 07073 Español
201-935-5100

Car Electrics & Diagnostic in NJ

Car electrics and diagnostic service in NJ from $80. Same-day appointments available, ASE-certified techs, 12-month warranty on all repairs.

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Call us today201-935-5100Get directions370 Paterson Ave, East Rutherford
Shop hoursMon–Sat 8:00 AM–6:00 PM
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ASE-certified mechanics Labor warranty on every job Manufacturer's warranty on parts Family-run since day one
Our benefits

Why drivers choose Three Brothers

Certified Professionals

ASE-certified mechanics working to US standards on every job.

Cutting-Edge Equipment

Latest diagnostic technology for precise, first-time-right repairs.

Transparent Pricing

Firm written estimates before work starts. No surprises.

Original & Quality Parts

OEM and OEM-spec parts backed by warranty.

Fast & Reliable Service

Most jobs done same or next day.

Personalized Care

We explain everything in plain language before touching the car.

Transparent pricing

How Much Does Electrics & Diagnostic Cost?

Here's a breakdown of typical costs for our car electrics & diagnostic services in NJ.

Repair / ServiceCost (NJ)
Basic electrical system scan & fault code reading$80 – $150
Battery, alternator, and starter diagnostics$120 – $250
Wiring repair or electrical component replacement$200 – $600
Full electrical system diagnostics & repair package$500 – $1,200
Labor only (you supply electrical parts/components)$150 – $350

Not sure which service fits your vehicle? Reach out and we'll help you figure out the right diagnostic path before any work begins.

Start here
$80 – $150

Basic electrical system scan & fault code reading. Not sure what's wrong yet? Start with a basic electrical system scan and fault code reading to pinpoint the issue before committing to bigger repairs.

Call 201-935-5100 Book an appointment

370 Paterson Ave, East Rutherford · Mon–Sat 8:00 AM–6:00 PM

How we can help

Keep Your Electronics Reliable, Systems Synced & Driving Hassle-Free

Modern vehicles rely on complex electrical systems to power everything from engine controls to comfort features like lighting, climate control, and infotainment. When something goes wrong—whether it's a dead battery, malfunctioning sensors, or a mysterious warning light—it can leave you frustrated or even stranded.

At Three Brothers Auto Repair Service, we offer professional car electrics & diagnostic services in NJ to identify, repair, and restore every electronic component of your vehicle.

Keep Your Electronics Reliable, Systems Synced & Driving Hassle-Free — Three Brothers Auto Repair
Don’t ignore these

Signs You Need Electrical Diagnostics & Repair

Dashboard warning lights

Warning lights or error messages appearing on your dashboard.

Battery draining quickly

Your battery drains fast or won't hold a charge.

Malfunctioning accessories

Lights, power windows, or door locks acting up.

Intermittent sensor issues

Sensors or electronic accessories work inconsistently.

Starter or alternator problems

Trouble starting the car or charging system concerns.

Flickering lights

Interior or exterior lights flicker unexpectedly.

How we work

What Our Car Electrics & Diagnostic Service Includes

1Comprehensive Electrical System Scan

We use advanced diagnostic tools to scan every module—engine, transmission, ABS, airbags, BCM, and more—for trouble codes.

2Battery, Starter & Alternator Testing

We check your vehicle's charging and starting systems to identify issues with power delivery.

3Sensor & Circuit Analysis

We test wiring, connectors, and sensors throughout your vehicle to pinpoint shorts, open circuits, or poor connections.

4Module & ECU Diagnosis

We evaluate control modules for communication faults, update software, or reprogram as needed.

5Fuse & Relay Inspection

We inspect and replace faulty fuses or relays to restore function to critical systems.

6Repair of Electrical Components

We repair or replace wiring, switches, sensors, or modules using high-quality parts for dependable performance.

Family-run since day one

Why Three Brothers Auto Repair?

At Three Brothers Auto Repair Service, brothers Mike, Tony, and Dave Henderson bring a family commitment to honest, thorough work—using advanced diagnostic tools and quality parts to make sure every electrical system in your vehicle is identified, repaired, and restored properly the first time.

  • Same-day service on most jobs — most repairs done same or next day
  • Transparent pricing — the same ranges you see on our pricing page, no hidden fees
  • OEM-quality parts with manufacturer warranties
  • Text and photo updates during the repair
  • Honest calls — if a cheaper fix does the job, we’ll tell you
Why Electrical Problems Shouldn't Wait
  • Safety risks grow. — Electrical faults can affect critical safety systems like ABS and airbags.
  • Small issues become big ones. — A minor sensor or wiring problem left unchecked can lead to bigger, costlier repairs.
  • Reliability suffers. — Battery, starter, or alternator issues can leave you stranded without warning.
  • Performance drops. — Electrical problems can affect overall vehicle performance and daily reliability.

Electrical problems can affect performance, safety, and reliability—early diagnosis and expert repair save time, money, and stress. Drive with confidence—schedule your car electrics & diagnostic service in NJ with Three Brothers Auto Repair Service today and keep every system operating at its best.

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About us

Three brothers. One promise: honest repair.

Established by three brothers with over 20 years of combined experience, Three Brothers Auto Repair is a trusted community shop in East Rutherford, NJ. ASE-certified mechanics, written estimates, and straight talk.

About the shop

Let’s Get Your Car Back on Track

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