Truck Electrical & Battery Repair in Mississauga
Modern trucks rely on electrical systems for starting, lighting, engine control and more, and a failing battery or alternator can stop a truck without warning. Ontario Truck Repair diagnoses and repairs truck electrical systems at our Mississauga shop.
What we repair and service
Our charging system service covers alternator service and replacement, battery testing and replacement, starter repair and replacement, battery cable replacement and voltage regulator service. We repair headlights and marker lights, trailer wiring and lighting circuits, and we can upgrade to LED lighting. Our battery services include testing, terminal cleaning or replacement, battery cable and battery box repair, and jump start services. For hard-to-find faults we use computer scanning and programming, module programming, wiring harness repair, fuse and relay service and ground connection repair.
Signs your truck may have an electrical problem
- Slow cranking or a truck that won't start
- Dim or flickering lights
- Battery or charging warning lights
- Blown fuses or failing trailer lights
- Warning lights that come on with no clear cause
Why it pays to fix it early
Electrical problems are often intermittent, which makes them frustrating. A weak battery strains the starter and alternator, corroded terminals cause no-start mornings, and a bad ground can create strange faults in several systems at once. Testing the battery and charging system before winter is one of the easiest ways to avoid being stuck.
Why Mississauga fleets choose Ontario Truck Repair
Electrical faults can be difficult to trace, which is why we invest in state-of-the-art diagnostic equipment and keep our certified technicians trained on the latest technologies. We use OEM or premium aftermarket parts backed by strong warranties (coverage depends on the repair and parts used), and every repair undergoes multiple quality checks.
Booking your service
Let us know the truck's make, model, year and what the electrical problem looks like, such as slow cranking, flickering lights or warning lights. Our shop at 1760 Meyerside Dr, Mississauga is open Monday to Friday from 6 AM to 8:30 PM and Saturday from 6 AM to 4:30 PM (closed Sunday). We accept all major credit cards, debit, cash and cheques.
Our cost estimator lists a price range for electrical diagnostics, or call (905) 564-2020.
