Auto Electrical Shops in Guelph, ON

Find trusted auto electrical services in Guelph. Compare prices, read reviews, and book online.

✓ Verified Shops ✓ Online Booking ✓ Real Reviews
Auto Electric M D
Guelph • ≈ 6 km
AU
796 York Rd, Guelph, ON N1E 6A6, Canada, Guelph
★ 5.0
11 Google reviews
Response ≈ 30 min $ • Quotes free
Auto Electrical
📞 (519) 822-6050 Free quote • Verified
Access Auto
Guelph • ≈ 7 km
AC
28 Industrial St #1, Guelph, ON N1E 6B8, Canada, Guelph
★ 4.9
173 Google reviews
Response ≈ 42 min $$ • Quotes free
Auto Electrical Auto MechanicEngine Repair
📞 (519) 821-4549 Free quote • Verified
Blais Electric
Guelph • ≈ 2 km
BL
28 Inkerman St, Guelph, ON N1H 3C5, Canada, Guelph
★ 4.9
762 Google reviews
Response ≈ 24 min $ • Quotes free
Auto Electrical
📞 (519) 766-2940 Free quote • Verified
AutoMarket Service Wheels and Tires
Guelph • ≈ 9 km
AU
700 York Rd, Guelph, ON N1E 6A5, Canada, Guelph
★ 4.8
240 Google reviews
Response ≈ 58 min $$ • Quotes free
Auto Electrical Brake ServicesTires & Wheels
📞 (519) 837-1555 Free quote • Verified
J.M.H Auto Sales & Service Inc.
Guelph • ≈ 9 km
J.
15 Malcolm Rd, Guelph, ON N1K 1A7, Canada, Guelph
★ 4.7
88 Google reviews
Response ≈ 54 min $$$ • Quotes free
Auto Electrical Suspension & SteeringFuel System
📞 (519) 836-2479 Free quote • Verified
Vinnie's Mr Fixit
Guelph • ≈ 5 km
VI
30 Hayes Ave, Guelph, ON N1E 5V6, Canada, Guelph
★ 4.5
531 Google reviews
Response ≈ 45 min $$$ • Quotes free
Auto Electrical
📞 (519) 821-8880 Free quote • Verified
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Verified Reviews for Auto Electrical
★ ★ ★ ★ ★

“Blaise Electric recently installed an upgraded circuit breaker box to correct a dangerous situation that had developed with the old one. They identified the problem and acted quickly to resolve it. They treated it as a rush repair that couldn't wait. The work was done very well, thoroughly and efficiently. I will certainly be calling Blais for any future electrical work requirements.”

Martin Oxley • Auto Electrical at Blais Electric, Guelph
★ ★ ★ ★ ★

“I can’t say enough good things about this shop! They were quick, reasonably priced, and super friendly to deal with. I had an electrical issue with my truck (F250 commercial truck) that other mechanics wouldn’t even touch, but they took it on without hesitation and had it fixed in no time. Highly recommend them if you’re looking for honest, reliable service!”

CP Demolition & More • Auto Electrical at J.M.H Auto Sales & Service Inc., Guelph
★ ★ ★ ★ ★

“Very friendly service, quick and to the point.
Dropped my car off for a weird noise on coldstart expecting a lengthy diagnosis and a big bill.
Instead had my car back fixed up in less than 24hr at a very reasonable price.
Definitely recommend for fast & honest service!
Will definitely be back again for the next freaky sound my car makes lol.”

Sean Knelsen • Auto Electrical at J.M.H Auto Sales & Service Inc., Guelph
★ ★ ★ ★ ★

“Amazing service and friendly”

Paul Conroy • Auto Electrical at Access Auto, Guelph
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Find a Best Auto Electrical in Guelph, ON

Boommar lists 6 verified mechanics in Guelph. Compare real reviews, response times, pricing bands, and open bays — then book online.

Common Causes of Auto Electrical Problems

Aging or dead batteries that can no longer hold a charge
Corroded battery terminals disrupting the electrical connection
Failing alternator not properly charging the battery while driving
Blown fuses and damaged relays affecting individual circuits
Rodent damage to wiring harnesses under the hood
Water intrusion into electrical connectors and control modules

Signs Your Vehicle Has Electrical Issues

Dim or flickering headlights and interior lights
Slow engine cranking or clicking noise when turning the key
Multiple dashboard warning lights illuminating simultaneously
Power windows, locks, or seats intermittently failing
Burning electrical smell or visible wiring damage
Battery keeps dying overnight or after short periods

Auto Electrical Services Available

Battery Testing & Replacement

Load testing and installing a new battery

Alternator Repair

Testing and replacing the charging system

Starter Motor Replacement

Diagnosing and replacing failed starters

Wiring Repair & Harness Rebuild

Tracing and fixing short circuits and open circuits

ECU/Module Programming

Reprogramming engine and body control modules

Lighting System Repair

Fixing headlights, taillights, and turn signal circuits

Auto Electrical Tips

Have your battery tested before every winter—cold weather dramatically reduces battery capacity
Keep battery terminal connections clean and tight using a wire brush and anti-corrosion spray
If your vehicle sits for extended periods, use a battery tender to maintain the charge
Never attempt to jump-start a cracked or leaking battery—it could explode
Replace your battery every 4 to 5 years as preventative maintenance
If you notice a burning electrical smell, disconnect the battery and get a professional diagnosis immediately

Frequently Asked Questions

How much does an alternator replacement cost in Guelph? +
Alternator replacement typically costs $400-$800 including parts and labor. Premium or European vehicle alternators can cost $600-$1,200+ due to more complex installations.
How do I know if my battery or alternator is the problem? +
If the car won't start but the lights work, it's likely the starter. If the battery keeps dying, a professional load test will determine if the battery itself is weak or if the alternator isn't charging it properly.
How long does a car battery last in Canada? +
In Canadian climates with extreme temperature swings, car batteries typically last 3 to 5 years. Harsh winters significantly accelerate battery degradation.
Can a parasitic drain kill my battery overnight? +
Yes, a parasitic draw from a faulty module, interior light, or aftermarket accessory staying on can drain your battery overnight. A mechanic can perform a parasitic draw test to isolate the circuit causing the problem.