Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price
-5%
Part no. A1697220180
Mercedes-Benz A-Class W169 Door Plug Cover Trim Insert Blank Seal A1697220180
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1698203185
Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698203185
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6904165
BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7522284-1
Mini Cooper One R50 R52 W10 1 Battery Cable Plus Pole 7522284
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6966551
BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passengers Side 6966549
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7621860
Mini Cooper One R55 R56 R57 Control Unit Module Bracket Holder EGS 7621860
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9286249
BMW 3 Series F30 F31 Rear Door Wiring Loom Cable Harness 9286249
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9234421
Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A0061510301-1
Mercedes W169 W245 Petrol Engine Starter Motor A0061510301
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9134667
BMW X5 E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9134667
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6950093
BMW X5 Series E70 Flat Cable Wiring Wire CAS Start Stop 6950093
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 7806976-1
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 Automatic
€332.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7540203
BMW X5 Series E70 Control Unit DME Module Emergency Release Lock 7582630
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6970676
BMW X5 E70 Rear Bumper PDC Cables Wiring Loom Set 6970676
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9216128
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9813878
Mini Cooper One R60 Footwell Light Module High EKS ECU SZT PL3 FRM3R 9813878
Promo price
€189.95
€161.46
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8519663-7
Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE CAS 3 Key 8519663
Promo price
€94.95
€80.71
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8506666-2
Mini Cooper D R60 ALL4 N47N Diesel Engine ECU Kit DDE 8506666 CAS3 Key Manual
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9196938
BMW E93 Seat Control Module Unit ECU 9148266
Promo price
€51.95
€44.16
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1765405608
Mercedes-Benz A-Class W176 Rear Right Door Wiring Cable A1765405608
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9186655
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9188877
BMW F01 F02 F03 F10 F11 Steering Column Adjuster Switch 9188877
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6976156
BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7426095
BMW F10 F20 F30 F32 Fuel Pump Control Module Unit 7426095
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8647255
BMW 1 2 Series F20 LCI F21 F22 Integrated Supply Module 8647255
Promo price
€27.95
€23.76
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8621190
BMW F20 F22 F30 LCI Electric Line Cable Power Distribution Module 8621190
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8638585
BMW F20 F21 F30 F31 LCI Cable Alternator-Starter-Base B+ 8638585
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9308292
BMW 3 Series F30 F31 Battery Cable Wire Lead Positive Underfloor 9259326
Promo price
€70.95
€42.57
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9315685
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9315685
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7551559
BMW E60 E61 E63 E64 Ground Cable Alternator Petrol 7551559
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 8678962
Mini Cooper S F55 F56 F57 Petrol Injector Wiring Cable Loom Harness 8678962
€37.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8654635
Mini Cooper S F55 F56 Petrol Positive Battery Alternator Starter Cable 8654635
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 8678960
Mini Cooper S F55 F56 F57 F60 Valvetronic Wiring Cable Loom Harness 8678960
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8678964
BMW X1 F48 Mini Cooper F55 F56 Engine Gearbox Module Wiring Cable Loom 8678964
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7555188
BMW 5 6 Series F10 F11 F12 F13 Control Unit Box Cover 7555155
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7804110
BMW 5 Series F10 F11 LCI Earth Cable Battery Cable 7804110
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9169521
BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9371790
BMW 1 Series F20 Telematics Control Unit Module Bluetooth 9371790
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9140179
BMW F10 Radio Antenna Amplifier Suppression Filter 9140179
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9187933
BMW 1 3 Series E88 E93 Mini Cabrio R57 Rollover Control Module Unit 9187933
€132.95
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. A9065400113
Mercedes-Benz Sprinter W906 Rear Door Licence Plate Lighting Wiring Cable
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8654632
BMW F40 F44 F45 Mini Cooper F55 F56 Engine Starter Motor Positive Battery Cable
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9270501
BMW X3 E83N E70 LCI E71 PDC Parking Ultrasonic Sensor Schwarz 7687127
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9153418-1
BMW 5 Series F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A9067601204
Mercedes Sprinter W906 Front Left Door N/S Handle Bowden Pull Cable A9067601204
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8518802
BMW F30 F31 330dX N57N Engine Gearbox Module Wiring Cable Loom Harness 8518802
Promo price
€70.95
€42.57
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7823310
BMW 3 Series F30 F31 330d 330dX N57N Diesel Alternator Starter Cable B+ 7823310
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6814609
BMW 1 3 5 Series F10 F20 F30 Bus Interface Connector Data Terminating 6814609
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 7118854
BMW Z4 Series E85 Cable Loom Wiring Harness Rear Window Heating 7043906
Promo price
€56.95
€34.17
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6957347
BMW 6 Series E63 E64 F06 F12 F13 Aerial Antenna Amplifier Module Left N/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9287530
BMW 1 Series F20 Control Unit Air Conditioning A/C Module 9287530
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9270495
BMW X5 X6 5 6 Series E70 E71 F10 F11 F12 PDC Ultrasonic Sensor Black 9270495
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9118467
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118467
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9118468
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118468
Promo price
€27.95
€26.55
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8741637
BMW X1 F40 F48 Mini F55 F56 F57 F60 Earth Cable Battery Cable 8741637
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6958447
BMW 7 Series E65 Control Unit Door Rear Passenger Side Hinten Low BFT 6958447
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A0051512101
Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1695403905
Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9360501
Mini F54 F55 F56 F57 F60 Rear Electric Power Distribution Fuse Box 9360501
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A1698203285
Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9197354
BMW X1 X3 E84 F25 Cigarette Lighter Socket With Cable 9197354
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6856314
BMW 1 3 Series F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7579155
Engine Starter Motor BMW X5 E70 LCI F07 X6 E71 N55 Petrol Denso 7579155
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9124585
BMW 1 3 Series E87 E90 Front Rear PDC Ultrasonic Parking Sensor Sedonarot Red
Promo price
€26.95
€25.60
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6917557
BMW Z4 Z3 E36 E85 Module Radar Burglar Alarm Sensor 6917557 6963225
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9204849
BMW X5 X6 Series E70 E71 Airbag Control Module ECU Unit 9204849
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6949694
CD Changer BMW E60 E61 E63 E64 6-disc Without Magazine 6949694
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9253780
Boot Release Switch BMW F01 F02 F10 F11 LCI Auto Tailgate 9253780
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9124952
BMW 3 Series E90 E91 E92 E93 LCI Cable Duct Battery Lead Rear 9124952
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9231443
BMW 3 Series F30 F80 M3 Radio Antenna Amplifier Suppression Filter 9231443
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9282069
BMW 5 Series F10 F11 Cable Loom Front Driver's Door Wiring Harness 9255986
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9231518
BMW 3 Series F31 Antenna Aerial Diversity Trap Circuit 9231518
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7810860-1
BMW 3 Series E90 E91 E92 E93 LCI N47N Engine Alternator Starter Cable B 7810860
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7796127
BMW X5 E70 X6 E71 Engine Starter Motor Positive Battery Cable 7796126
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9282072
BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6925715
BMW 1 3 Series E81 E82 E87 E90 E91 E92 Positive Battery Terminal Cover 6925715
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9303546
BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
€47.95
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9326437
BMW F30 F31 Wiring Passenger Loom Front Door Cables Harness 9286241
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8515900
BMW X5 E70 LCI X6 E71 F01 F02 Starter Motor N57 Engine 8515900
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7627021
BMW 1 3 Series F20 F21 F30 Petrol N13 Harness Engine Sensors Module 1 7627021
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 7575579
BMW X5 X6 Series E70 E71 Cable Wiring Harness Rear Differential Axle 7575579
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9261591
BMW F20 F21 F30 PDC Ultrasonic Parking Sensor PDC Front Imperial Blau Blue
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9217004
Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9261614
BMW 1 2 Series F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Glacier Silver
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9116978
BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9116978
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6933529
BMW 5 Series E60 E61 Centre Console Switch Centre DSC 6933529
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6951079
BMW E60 525i 530i 545i Fuses Set Electrical Fuse 6951079 61146951079
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7536030
Mini Cooper S R53 Petrol W11 Engine Control Unit ECU DME Manual 7527610
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6857701
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2465402610
Mercedes-Benz A B W176 W246 160 180 CDI Alternator Cable Loom Wire A2465402610
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9216468
BMW F10 F11 F20 F30 F31 Front Seat Heating Control Module ECU 9216468
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. A0061512501
Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2105460141
Mercedes-Benz E-Class W210 Battery Cable Box Connector Petrol A2105460141
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A0015424623-1
Mercedes-Benz C E A207 W204 W212 1 Front Parking PDC Display Panel A0015424623
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. A2028281114
Mercedes-Benz C CLK W202 W208 Alarm Control Module Bracket Holder A2028281114
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .