Auto Electrical Repair in London, ON
Electrical problems can be frustrating — flickering lights, dead batteries, or random warning lights. We diagnose and repair the electrical issue properly, without guessing.
*Turnaround depends on parts availability and workload.
Electrical Diagnostics Done Right
We use proven testing methods to find shorts, poor grounds, broken wires, and failing components so the repair actually lasts.
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Parasitic drain testingFind what’s draining your battery when the car is off.
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Wiring & connector repairRepair damaged wiring, corrosion, and loose connections.
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Fuse/relay diagnosisTrack down blown fuses and underlying causes.
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Charging & starting checksBattery, alternator, starter, and voltage drop testing.
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Lighting & accessory issuesHeadlights, signals, interior electronics, and more.
Signs of an Electrical Problem
If you’re seeing these symptoms, we can help.
From Battery Drains to Warning Lights
We’ll explain the results in plain language and provide a clear estimate before repairs.
Typical electrical checks
- Battery/alternator performance and voltage stability
- Ground connections and voltage drop under load
- Fuse box and relay function
- Wiring integrity and connector corrosion
- Module communication faults (where applicable)
- Aftermarket accessories and installations (if relevant)
Electrical Repair FAQ
Quick answers about battery drains, wiring issues, and electrical diagnostics.
Why does my battery keep dying overnight?
That often indicates a parasitic drain or charging issue. We can test for drains and confirm alternator output.
Can you fix wiring problems?
Yes. We diagnose and repair damaged wiring, connectors, grounds, and corrosion issues.
A fuse keeps blowing — can you find the cause?
Yes. We trace the circuit to find shorts or overloaded components so the issue stops recurring.
Do you diagnose warning lights related to electrical issues?
Yes. Many warning lights are triggered by voltage or communication faults. We scan modules and test electrical basics first.
Can aftermarket accessories cause electrical issues?
They can. We inspect installations and test for drains or improper wiring when needed.