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Auto Electrical Shops in Saint-Constant, QC

Find trusted auto electrical services in Saint-Constant. Compare prices, read verified reviews, and request free quotes.

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Garage Claude Coutu Inc. - Auto Electrical in Saint-Constant
Verified
Saint-Constant, QC
GA

Garage Claude Coutu Inc.

23 montēe des bouleaux, Saint-Constant
★ 4.7
144 reviews
23 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Accessories & UpgradesAuto Cooling System
📞 450-638-4001 • Saint-Constant
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Garage Mécapro Rive-Sud - Auto Electrical in Saint-Constant
Saint-Constant, QC
GA

Garage Mécapro Rive-Sud

1 C Rue Levasseur Suite 2, Saint-Constant, QC J5A 1N1, Canada
★ 5.0
104 reviews
23 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Accessories & UpgradesAuto Cooling System
📞 (438) 507-9147 • Saint-Constant
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Garage Turgeon Inc OCTO Auto Service Plus - Auto Electrical in Saint-Constant
Saint-Constant, QC
GA

Garage Turgeon Inc OCTO Auto Service Plus

90 Rue St Pierre, Saint-Constant, QC J5A 1G3, Canada
★ 4.7
108 reviews
19 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (450) 635-1712 • Saint-Constant
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Midas - Auto Electrical in Saint-Constant
Saint-Constant, QC
MI

Midas

334 QC-132, Saint-Constant, QC J5A 1M3, Canada
★ 4.6
417 reviews
20 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (450) 635-2990 • Saint-Constant
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NAPA AUTOPRO - Auto Electrical in Saint-Constant
Saint-Constant, QC
NA

NAPA AUTOPRO

320 QC-132 Ste 103, Saint-Constant, QC J5A 1M3, Canada
★ 4.6
326 reviews
22 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Accessories & UpgradesAuto Cooling System
📞 (450) 638-1785 • Saint-Constant
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Lave-auto Alex - Auto Electrical in Saint-Constant
Saint-Constant, QC
LA

Lave-auto Alex

1 Rue St Pierre, Saint-Constant, QC J5A 2E1, Canada
★ 4.4
406 reviews
18 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Cooling SystemAuto Detailing
📞 (450) 635-4422 • Saint-Constant
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Automobile En Direct.com - Auto Electrical in Saint-Constant
Saint-Constant, QC
AU

Automobile En Direct.com

360 QC-132, Saint-Constant, QC J5A 1M3, Canada
★ 4.2
1643 reviews
23 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Accessories & UpgradesAuto Cooling System
📞 (450) 638-6664 • Saint-Constant
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ICIPNEU Pneus et Mécanique St-Constant - Auto Electrical in Saint-Constant
Saint-Constant, QC
IC

ICIPNEU Pneus et Mécanique St-Constant

77 Rue St Pierre, Saint-Constant, QC J5A 1G3, Canada
★ 4.2
153 reviews
19 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (450) 632-4140 • Saint-Constant
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Garage Desrochers - Auto Electrical in Saint-Constant
Saint-Constant, QC
GA

Garage Desrochers

359 Rang Saint-Régis S, Saint-Constant, QC J5A 2E7, Canada
★ 3.5
16 reviews
17 auto services • Free quotes available
Auto Electrical Auto AC & HeatingAuto Cooling SystemAuto Lights & Signals
📞 (514) 638-5706 • Saint-Constant
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Saint-Constant, QC Cost Guide

Estimated Auto Electrical Pricing

Electrical / Parasitic Draw Test $110 - $165
Battery Replacement & Coding $210 - $380
Alternator Replacement $450 - $820
Starter Motor Replacement $380 - $720

*Typical Saint-Constant independent shop ranges (CAD before tax). Exact price depends on vehicle year, make, and model.

Everyday Signs to Watch For
  • • Slow engine cranking or rapid clicking sound when turning the key or pressing Start
  • • Red battery / charging system warning light illuminated while driving
  • • Headlights or dashboard lights dimming and brightening with engine RPM
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Top Auto Electrical Shops in Saint-Constant, QC

Boommar lists 9 verified auto electrical shops in Saint-Constant, Quebec, with an average rating of 4.4 / 5.0 across 3,317 customer reviews. Compare Verified partner shops and top-rated local garages below:

Shop Name Rating / Status
Garage Claude Coutu Inc. ★ 4.7 (144)
Garage Mécapro Rive-Sud ★ 5.0 (104)
Garage Turgeon Inc OCTO Auto Service Plus ★ 4.7 (108)
Midas ★ 4.6 (417)
NAPA AUTOPRO ★ 4.6 (326)

Auto Electrical Diagnosis & Repair in Saint-Constant, QC

Modern vehicles rely on batteries, alternators, starters, and dozens of electronic control modules to start and run safely. Find skilled auto electrical mechanics in Saint-Constant, QC for battery load testing, charging system repairs, parasitic drain tracing, and wiring diagnostics.

Browse 9 verified auto electrical shops in Saint-Constant, QC above to compare ratings, check offered services, and request a direct quote.

Common Causes of Auto Electrical Problems

Batteries weakened by 3 to 5 years of Canadian winter cold and summer heat
Failing alternator diodes or voltage regulators undercharging the battery
Worn starter motor solenoids or brushes failing to crank the engine
Parasitic battery drain from a module, relay, or accessory staying awake overnight
Road salt and moisture corroding ground straps, fuse boxes, and underbody harnesses
Rodents chewing through soy-based engine wiring insulation

Signs Your Vehicle Has an Electrical Issue

Slow engine cranking or rapid clicking sound when turning the key or pressing Start
Red battery / charging system warning light illuminated while driving
Headlights or dashboard lights dimming and brightening with engine RPM
Battery repeatedly going dead after sitting overnight or over a weekend
Power windows, door locks, blower fan, or instrument cluster working intermittently
Repeatedly blowing the same fuse or a hot, acrid burning-plastic smell

Auto Electrical Services Available in Saint-Constant

Battery Load Test & Replacement

Digital conductance testing and installing high-CCA AGM or flooded batteries

Alternator Testing & Replacement

Checking charging voltage, ripple, and replacing failed alternators and serpentine belts

Starter Motor Replacement

Testing starter current draw, relays, and replacing worn starter assemblies

Parasitic Battery Drain Diagnosis

Milliamp voltage-drop testing across fuse circuits to find hidden overnight drains

Wiring Harness & Ground Repair

Repairing corroded ground straps, broken door-jamb wires, and rodent-damaged harnesses

Module Diagnostics & Programming

Diagnosing BCM, ECM, ABS, and CAN-bus communication faults

Auto Electrical Tips for Saint-Constant Drivers

Load-test your battery every autumn before sub-zero weather reduces its cranking capacity by 40% to 50%
Keep battery terminals and the main chassis ground strap clean and tight
Never disconnect a battery cable while the engine is running, as the voltage spike can fry electronic modules
If your vehicle has Auto Start-Stop, replace the battery with the correct AGM specification and register it if required
Use a smart trickle charger if your vehicle is parked unused for more than two weeks in winter

Frequently Asked Questions

How much does alternator or starter replacement cost in Saint-Constant? +
In Saint-Constant, battery replacement typically costs $180 to $350 (or $280 to $450 for AGM batteries). Starter replacement usually runs $350 to $750, and alternator replacement ranges from $450 to $900 depending on engine accessibility.
How do I tell if my dead car is the battery, alternator, or starter? +
If the car jump-starts easily and stays running, the battery was likely weak or drained. If the car dies again shortly after disconnecting the booster cables (or the red battery light stays on while driving), the alternator is not charging. If the battery tests full at 12.6V but you only hear a single click when turning the key, the starter or starter relay is usually at fault.
How long does a car battery last in Canada? +
Most car batteries in Canada last 3 to 5 years. Extreme winter cold and hot summer under-hood temperatures gradually sulfate the lead plates until the battery can no longer hold enough cold-cranking amps.
What is a parasitic battery drain test? +
A parasitic drain test measures how many milliamps your car draws after all computers go to sleep (normally under 50 mA). The technician measures voltage drop across fuses to find the exact module, glovebox light, or aftermarket accessory draining your battery overnight.

Auto Electrical in Nearby Cities

Montreal Quebec City Laval Gatineau Longueuil Sherbrooke Lévis Saguenay

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Auto Mechanic Diesel Truck Mechanic Truck Mechanic Oil Change & Lube Brake Services Tires & Wheels Auto Detailing Auto Body & Paint

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