Alternators, starters, sensors, wiring harnesses, power windows, lighting, and comfort modules. We trace the circuit to the source of the failure instead of replacing parts one by one.
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Mobile service available throughout Laval and surrounding areas, day, night, and weekends


With the schematic in hand, we measure voltage and resistance at specific points in the circuit to locate the break or short. It takes longer than blind replacement, but it costs much less in the end.


Slow windows, glitchy wipers, a radio that keeps restarting, or multiple dashboard warning lights: these are often caused by a corroded ground or a broken wire in the door jamb.
FREQUENTLY ASKED QUESTIONS

Often, a single upstream fault, such as low supply voltage or a loss of network communication, causes multiple modules to react. We look for the common cause before addressing each warning light.
Yes, in most cases: the wire is re-identified, soldered, and re-sheathed according to the original gauge. Replacing an entire harness is only justified if the damage is too extensive.
Almost always, on modern vehicles: the new module must be configured with the VIN and the vehicle's options to communicate with the other modules.
A parasitic draw test: we measure the residual current with the engine off, then isolate circuit by circuit until we find the module that remains active. The test requires the vehicle to be at rest.
It can clear codes and, more importantly, context data, learned values, and certain comfort settings. That is why we read the modules before disconnecting, never after.
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