Complete Electrical System Diagnostics
Battery life analysis, parasitic drain detection, and complete circuit testing for all wiring systems.
Deep Electrical System Assessment
We use digital multimeters, current clamps, and specialized BMW/Audi testers to locate short circuits and voltage drops.
Battery Capacity Test
Determine if your battery is weak or on its last legs with load testing.
Parasitic Drain Finder
We'll track down the component that keeps draining your battery overnight.
Advanced Electrical Diagnostics
Our electronics team trains on new vehicles every quarter, ensuring cutting-edge knowledge.
Wiring Diagram Decoding
Access to factory wiring schematics for all Japanese and European models.
Component Testing
Perform stress tests on starters, alternators, and solenoids with heavy-duty rigs.
ECU & CAN Bus Analysis
Inspect communication signals between modules to uncover hidden network errors.
Electrical Diagnostics Pricing
Affordable rates for thorough electrical troubleshooting.
Battery Test
Battery load test and charging system check.
- Tester printout
- Starter draw measurement
- Alternator output check
Circuit Diagnosis
Full parasitic drain test and voltage drop circuit review.
- Battery test included
- Parasitic drain identification
- Voltage drop analysis
- Detailed electrical report
Module & CAN Bus
Comprehensive ECU and communication bus diagnostics for advanced electronics.
- Everything in Circuit Diagnosis
- CAN Bus signal decoding
- Module reflash/update preparation
Our Electrical Diagnostic Process
We follow a structured method to isolate the fault precisely.
Initial Consultation
You describe the symptoms – dim lights, dead battery, etc.
Visual Inspection
Check battery terminals, fuses, and wiring for corrosion or damage.
Battery/Charging Test
We test the battery and alternator output using professional equipment.
Parasitic Draw Test
We measure current draw with all modules asleep to find the leak.
Circuit Ground Test
We verify voltage drops on power and ground circuits.
Module Communication Check
Use the factory scan tool to see if all ECUs are online.
Electrical Diagnostics At Work
Inside our specialized electronics bay.
Electrical Diagnostics Questions
Quick answers to your electrical worries.
Usually a parasitic drain from a module, interior light, or faulty alternator diode.
We use current probes and thermal cameras to isolate shorts within an hour.
Yes, but a proper diagnosis ensures the alternator is actually charging and no drains persist.
CAN bus testing starts at $129, and if a module is dead we'll quote replacement separately.
Book an Electrical Diagnostic
Contact our electrical specialists for a thorough check.
Call Us
+64 9 286 4703
Email Us
Visit Us
15 Maurice Paykel Place, East Tamaki, Auckland 2013, New Zealand
Electrical Diagnostic Request
Share your electrical issue and we'll schedule your vehicle for testing.