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.
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Part no. 7797661-1
Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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Mercedes C117 W176 A180 W246 M270 Engine Wiring Harness Cable Loom A2701501633
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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Audi Q3 8U Camera Module Rear View Parking Camera Control Unit 8U0907441
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Audi A5 8T 2.0 TDI CNHA Diesel Engine Motor Starter 04L911021
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Mercedes C219 Front Fuse Box SAM Relay Control Module A2115457301
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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BMW E60 Light Control Module Unit Lear LM II E6X LWR LCM 9137775
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BMW F20 F21 F30 F31 Relay Cover Electric Fan Relay Cap 9353066
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Mercedes R171 Air Module SRS Control Unit Crash Sensor ECU A1718207326
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Mini Cooper One R60 Footwell Light Module High EKS ECU SZT PL3 FRM3R 9813878
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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Part no. 8379627
BMW 5 Series E39 Left N/S Air Box Pollen Microfilter Service Cover 8379627
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Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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Part no. A2038201285
Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Audi A3 RS3 8V 5Dr Door Harness Loom Wiring Rear Left Right N/O/S 8V4971687K
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Mercedes SLK R172 Amplifier Audio Sound Control Unit Module Harman A1729008612
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GPS Navigation Unit BMW E38 E39 E46 X5 E53 System Computer 6920759
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Part no. 7802471-1
Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340
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VW Volkswagen LT 35 2.5 TDI AVR 109HP Engine ECU Kit 074906018BK Manual Gearbox
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Volkswagen Sharan 7N Engine Starter Motor Lucas 02E911024CX
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BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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BMW F20 F30 F32 120d 320d 420d N47N 184HP ECU Kit DDE 8517862 + Key + FEM Manual
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Part no. H1BT18B955EF
Ford Transit Custom Mk1 Dashboard Radio Head Unit Display H1BT-18B955-EF
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Part no. 1K0907115J-1
Volkswagen Golf Mk5 1K V 2.0 TFSI BWA 200HP Engine Unit ECU 1K0907115J Automatic
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Part no. A6071500433
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
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Part no. 9865400
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Assistant Control Unit 9865400
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Part no. A0061515601
Mercedes ML W164 W211 W221 Engine Starter Motor A0061515601 0001109262
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Peugeot 3008 Bluetooth Module Multimedia Control Unit ECU 9675359580
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BMW E60 E63 E64 Body Control Module ECU Control Unit 6969011
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Part no. 8200935115-1
Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 8200935115 Manual
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Mercedes R171 SLK200 271.944 163HP Engine ECU Kit A2711534691 Key Lock Ignition
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Mercedes-Benz B-Class W245 180CDI Engine Wiring Harness Loom Cable A6401504033
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BMW E91 NSW PL2 FRMII Lightning Control Unit Module (LCM) 9159811
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BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key
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BMW E85 Battery Lead Positive Cable Plus Pole Wiring Cabling 6935667
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Part no. 9147869
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9147869
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Body Control Module BMW X5 E70 ECU Junction Box LOW PL4 JBBFEII 2 9138471
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Audi A3 8V Multimedia Display Screen Radio Sat Nav Head Unit 8V0857273H
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Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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CAS2 Module BMW E60 E61 E63 E64 Car Access Control Unit ECU 6965050
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Part no. A9065454401
Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401
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Part no. 4KE035282H
Audi A4 B9 Communication Telematics Control Module Unit ECU 4KE035282H
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9119495
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Part no. 5Q0937615C-2
Seat Leon Mk3 5F Fuse Relay Box Module Electrical Control Unit 5Q0937615C
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Ford Transit MK7 CD Player Radio Stereo Audio Head Unit 8C1T18C815AD
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Part no. 9204526-1
BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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BMW Z4 E89 Head Unit Stereo Professional Navigation System Computer CIC 9214939
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VW Golf Mk7 Skoda Octavia Mk3 Front Windscreen Rain Sensor Unit 5Q0955547B
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9298961
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BMW F30 330e HV Accumulator Battery Clamp Pyro Fuse Auxiliary Connector 9343605
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Part no. 7501690
BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690
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Part no. A2049009201
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201
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Part no. 5N0959655A
Volkswagen Tiguan 5N Air Module Control Unit ECU Module 5N0959655A
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Part no. 03L903023P-1
Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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Part no. 9123043-1
Steering Column Switch BMW E87 E81 E91 LCI Cluster Wiper Stalk 9123043
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Part no. 6801509
Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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Part no. A6399005400-1
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. 8K0919475B
Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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Part no. 9224589
BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224589
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Part no. 284B63788R
Mercedes Citan W415 109 CDI Fuse Box Module Unit 284B63788R
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Part no. 8966142A10
Toyota RAV4 2.0d 1CD-FTV Diesel Engine Control ECU Manual Gearbox 89661-42A10
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Part no. 8635811
BMW F20 F30 LCI 118i 318i B38 Engine Wiring Loom Harness Cables Set 8635811
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Part no. 8598759
BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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Part no. 7600020-11
Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Part no. BK2T-14303-AG
Ford Transit Custom Negative Battery Terminal Cable Wiring BK2T-14303-AG
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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BMW F40 Head Unit Player Navigation Control Module Harman Becker 5A318E9
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BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key
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BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Part no. 7576297
BMW X5 E70 3.0si 272HP N52N ECU Engine Control Unit Kit DME 7576297 Automatic
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Part no. 8384527
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
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Mercedes A238 SAM Control Module Unit ECU A2139008123
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Ford Mondeo MK4 Galaxy MK3 1.8 TDCI Diesel Engine Starter Motor 6G9N11000EC
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3448901
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Audi TT 8J Audio Amplifier Premium Sound Booster Control Unit Bose 8J0035223C
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Volkswagen VW Golf IV Body Control Module BCM Comfort Control Unit 5DK008214
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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Audi Q7 4L Quattro Audio Sound BOSE Amplifier Stereo System Module 4L0035223D
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Jaguar XF250 3.0 306DT AJV6D Engine Alternator Generator 8X2310300CB
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BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Part no. KK2T-14303-AG
Ford Transit Mk9 2.0 Diesel Starter Motor Cable Loom Wiring KK2T-14303-AG
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Part no. 1125053
Audi A4 B7 Starter Motor Engine Diesel Bosch 0001125053
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Part no. 7579142-7
BMW E87 LCI E90 118i 318i Petrol ECU Engine Control Kit N43 DME 7579142 CAS3 Key
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Part no. A0195453132
Mercedes SLK R170 W202 W208 ESP Control Unit ABS ASR Module ECU A0195453132
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Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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Part no. 6G9T-14B192-BA
Ford Galaxy Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-BA
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Part no. 9381882
BMW F30 F31 F80 M3 Sound Amplifier Hifi Audio Control Unit Harman Becker 9381882
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Part no. 8K0927155AA
Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
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Part no. 6943283
BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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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 .