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

-40%
Part no. 9286863
BMW X5 Z4 Series E70 E89 Active Sound Harman Becker Amplifier Design 9286863
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7607973
BMW F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7607973
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9266384
BMW 5 Series F10 F11 LCI Boardmonitor Central Information Display 7" 9266384
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 7391042
BMW F10 F30 X1 F48 Mini F54 Rear Tailgate Smart Opener Top Wire Sensor 7391042
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 7634297
BMW F20 116i 118i N13 Petrol Engine ECU Control Unit Module DME 7634297
€408.95
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 8635808-1
Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 8635811-1
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables 8635811
Promo price
€89.95
€76.46
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9207075
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9207075
Promo price
€80.95
€48.57
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 8507885
BMW 1 3 Series F20 F30 Diesel N47N Wiring Harness Engine Gearbox Module 8507885
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 8709212
Body Control Module BMW F20 F30 F31 BCM Unit FEM Lear V12 ECU 8709212
€142.95
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 3421562
Engine Wiring Harness BMW X3 E83 2.0i N46 Wiring Loom Manual Gearbox 3421562
Promo price
€47.95
€40.76
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6850955
Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 6853992
BMW X3 F25 ICM Control Unit Air Module SRS Airmodule ECU 6853992
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9269896
BMW X3 F25 Business CD Radio Player Head Unit Control 9269896
Promo price
€165.95
€141.06
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6867168
BMW 1 2 Series F20 F21 F30 F31 N13 N47N ECU ICM Control Unit Module 6867168
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9322120
BMW F30 F31 F32 F33 Central Information Display Screen 6,5" 9322120
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 6820931
Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8635813
Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9243637
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9243637
Promo price
€66.95
€56.91
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 8618444
BMW F30 LCI 330e B48X Cell Module Connector 8618444 61278618444
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9264973-1
BMW X5 E70 Seat Control Unit Module ECU 9264973
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7259883
Stop Lamp Cover BMW F30 F80 M3 Rear Third Stop Brake Lamp Trim 7259883
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 8736682
BMW i3 I01 Body Domain Comfort Control Unit BDC Module ECU 8736682
Promo price
€313.95
€188.37
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 8489325
BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325
Promo price
€51.95
€31.17
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7195197
BMW E88 Convertible Folding Top Roof ECU Module CVM Bracket Holder Mount 7195197
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 6942638
BMW E60 E61 E63 E64 M-ASK M-Audio System Controller Navigation Radio 6942638
€165.95
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9210105
BMW 5 Series F07 GT Gran Turismo Door Wiring Loom Cable Harness 9210105
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9345322
BMW F10 LCI ECU Body Control Module V2 Junction Box PL6 JBBFE III 9345322
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8602123
BMW i3 I01 Hybrid Electric Earth Ground Cable Line Strap Battery Lead 8602123
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6825835
BMW 2 Series F45 F46 Cable Wiring Jump Starter Base B+ Engine Battery 6809391
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9361589
BMW 2 F45 Active Tourer Door Wiring Loom Harness Cable Driver's Side 9361600
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9380938
BMW 2 Series F45 Door Wiring Loom Harness Co-Driver's Passenger's Side 9380938
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9118111
BMW 1 Series E81 E82 Door Wiring Loom Harness 9118111
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9197177-1
BMW 1 Series E88 Cabrio Footwell Light Module Control Unit ECU NSW 9197177
Promo price
€104.95
€62.97
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 35962
BMW X3 Series E53 E83 iPod Interface Retrofit Connection Module 0035962
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8370933
BMW 3 5 6 Series E60 E61 E63 E90 Support Bracket Navigation Computer 8370933
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8602802
BMW i3 I01 Hybrid Rex Engine Wiring Cable Harness Bracket Mount Trim 8602802
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9331207
BMW F20 CD DAB Radio Bluetooth Head Unit 9331207
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8510592
BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Control Unit DDE 8510592 Manual
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8509910
BMW X3 F25 X4 F26 Engine Electronics Control Unit Box Cover Trim 8509910
Promo price
€26.95
€25.60
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9199305
KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 6854856
BMW F10 F11 F12 EMF Module Parking Brake Unit Electric Control 6854856
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 7823420
BMW E60 E87 E90 LCI N47 120d 320d 520d ECU Control Unit DDE 7823420
Promo price
€113.95
€68.37
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6927270
BMW 5 Series E60 Seat Control Unit Module Left Right N/O/S Temic 6927270
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9264568
BMW E92 LCI Body Control Module Unit PL2RR JBBFE IIIR L1 9264568
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 6824386
Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386
Promo price
€89.95
€53.97
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9257008
BMW F01 F10 F12 Sat Nav Infotainment Radio Player Head Unit CIC 9257008
Promo price
€284.95
€242.21
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 8806980
BMW i3 I01 LCI Door Wiring Cable Loom Harness Rear Left Right N/O/S 8806980
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 6989112-SCH
BMW E60 E61 E83 Front PDC Parking Sensor Schwarz 2 Black 668
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9117831
Negative Battery Lead BMW F45 F46 X1 F48 IBS Minus Pole Cable 9117831
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 7811702-2
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Manual
Promo price
€142.95
€85.77
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 9241825
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9241825
Promo price
€47.95
€28.77
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 9895416
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME Manual Control Unit 9895416
€170.95
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 8721882
BMW F20 F21 F22 F30 F31 LCI Head Unit Media DAB Navigation Professional 8721882
€522.95
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9286785
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9286785
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9289115
Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115
Promo price
€170.95
€145.31
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9250458
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250458
Promo price
€56.95
€48.41
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 9151978
BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
€47.95
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8371312
BMW 3 Series E46 Relay Control Unit Module Bracket Holder 61358371312 8371312
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6934030
BMW 7 Series E65 E66 Wiring Loom Harness Right O/S Front Door 6934028
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 9292655
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9292655
€113.95
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9425925
BMW F30 LCI G20 G30 Hybrid Fuel Tank Control Unit Module Unit 7452591
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. A1698201085
Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9270355
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9270356-2
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 7809680
Engine Wiring BMW F10 F11 N57 N57S Loom Cable Harness Injector Module 7809680
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9374506
Body Control Unit BMW F20 F21 F30 F31 F32 Module REM 9374506
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6928369
BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9128982
BMW F20 F30 F31 LCI Mini F55 F56 Compensator LTE UK Control Unit Module 9128982
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 8512292
BMW E90 E91 LCI N47N 318d 143HP Engine Control Unit ECU DDE 8510832 Manual
Promo price
€56.95
€34.17
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7222633
BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7220891
BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 7233914
BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9207846
BMW X5 Series E70 Driver Side Front Right O/S Door Cable Harness Wiring 9207841
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 8574093-1
BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 7805349-2
BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE EWS4 Key 7805349 Manual
Promo price
€303.95
€258.36
Free delivery - Tue, Oct 07
If paid before 14:00

-40%
Part no. 8512047-5
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE 8512047 CAS 2 Keys Manual Transmission
Promo price
€180.95
€108.57
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9253209
BMW E81 E87 LCI E90 E91 N43 DC/DC Wandler Torque Converter Module ECU 9253209
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 918545-102
BMW F11 Wiring Cable Loom 918545-102 767832-113
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7476046
BMW F20 F21 F30 F31 Mini F55 F56 F57 Fuel Pump Module Control Unit ECU 7476046
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9214813
BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 9217004-1
BMW X5 X6 E70 E71 Positive Battery Cable Wiring Plus Pole 9217004
Promo price
€37.95
€32.26
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 6958525-1
BMW 5 X5 X6 Series 1 E60 E61 E70 F07 F10 F11 Seat Adjustment Switch Left N/S
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8632687
BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 9270356-1
BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 9266409
Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409
€23.95
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9267456
Control Unit BMW F10 F11 Body Module ECU JBBFE IIIR V2 PL6 ECU 9267456
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7964084-LMB
BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

Part no. 7621178-4
BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
€85.95
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 9264571
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 8619095
BMW i3 I01 Hybrid Electric Earth Ground Cable Negative Battery Lead 8619095
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 6794618
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
Promo price
€32.95
€28.01
Free delivery - Tue, Oct 07
If paid before 14:00

-5%
Part no. 7810863
Battery Cable BMW X3 F25 Wire Lead Positive Alternator Starter B+ 7810863
Promo price
€23.95
€22.75
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
Promo price
€94.95
€80.71
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
Promo price
€75.95
€64.56
Free delivery - Tue, Oct 07
If paid before 14:00

-15%
Part no. 6922720
BMW X5 E38 E39 E46 E53 GPS Navigation System Computer Unit 6922720
Promo price
€28.95
€24.61
Free delivery - Tue, Oct 07
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 .