Keep Your Vehicle Powered & Safe

Reliable Electrical Diagnostics in London, ON

Modern vehicles rely on complex electrical systems for everything from ignition to infotainment. At London Custom Truck & Car Repair, we diagnose and repair issues like dead batteries, faulty alternators, flickering lights, or malfunctioning sensors. Using advanced scanning tools, we pinpoint problems fast—so you avoid guesswork and unnecessary costs.

Key Electrical Services

Battery & Alternator Testing: Check voltage, cold cranking amps, and charging system health to prevent unexpected breakdowns.

Wiring Harness Repairs: Fix frayed wires, loose connections, or corrosion causing electrical shorts or component failures.

ECU/ECM Diagnostics: Scan and reprogram engine control modules to resolve error codes, misfires, or performance issues.

Starter Motor & Fuse Replacements: Restore reliable ignition starts and replace blown fuses to protect circuits from overloads.

Spot Problems Early, Avoid Costly Repairs

Signs Your Electrical System Needs Servicing

Electrical issues often start small but escalate quickly. Watch for these warning signs:

Engine Won’t Start: A clicking sound or silent ignition could mean a failing starter motor, bad alternator, or dead battery.

Battery Problems: Corrosion on terminals, bloating, or frequent jump-starts signal it’s time for a replacement.

Dim/Flickering Lights: Headlights or interior lights that dim at idle often point to alternator or wiring issues.

Burning Smells: A scent of burnt plastic or rubber indicates overheating wires or short circuits.

Blown Fuses: Frequent fuse failures mean underlying electrical overloads or faulty components.

Warning Lights: Dashboard alerts like the battery light or check engine light demand immediate diagnostics.

Schedule Your Electrical
System Diagnostics Today!

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