Car Alternator & Charging System Overhaul
Electrical Repair · Jumeirah, Dubai
Alternator internal diode bridge failed due to high heat exposure, preventing proper battery charging current..
Case 15 · Jumeirah
2017 Hyundai Tucson
- Response
- 20 min
- Completed in
- 2.0 Hours
- Location
- Jumeirah
The vehicle & the brief.
2017 Hyundai Tucson
Battery light blinking on dashboard, electrical accessories dimming
20 minutes
2.0 Hours
How this case was solved.
A step-by-step breakdown of what we found, what we tested, what we replaced, and what we measured at the end.
- 01
Problem
Alternator internal diode bridge failed due to high heat exposure, preventing proper battery charging current.
- 02
Diagnosis
- 01Multimeter voltage output test at alternator terminals
- 02Oscilloscope ripple test for diode performance
- 03Battery load and health check
- 03
Solution
Disassembled charging unit, replaced faulty diode assembly and voltage regulator, and tested output under heavy electrical load.
- 04
Result
Charging voltage stabilized at a healthy 14.4V; dashboard warning light successfully cleared.
What we replaced.
Only OEM or dealership-equivalent parts are used. Every part below was installed onsite and is covered by our 12–24 month warranty.
Total parts
02
- 01Alternator Diode Bridge
- 02Voltage Regulator Unit
Frequently asked questions.
01What are the signs of a failing alternator?
Signs include a battery warning light on the dashboard, dim headlights, slow accessories, and a dead battery.
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