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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Make
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In Stock
Price
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Part no. rhd-A2044405736
Battery Cable Mercedes W204 C207 Starter Alternator Wiring Harness A2044405736
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A7899820300
Mercedes EQA H243 Hybrid Control Unit Module A7899820300
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059002922
Door Module Mercedes W205 W253 C253 Front Left N/S Control Unit ECU A2059002922
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2055401900
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2049005501
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049005501
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2218708485
Mercedes W221 Rear View Backup Camera Control Unit Module A2218708485
Promo price
£32.95
£19.77
Free delivery: Mar 02
If paid before 14:00
Part no. A2059007339
Mercedes W205 BCM Body Control Module Unit ECU A2059007339
£37.95
Free delivery: Mar 02
If paid before 14:00
Part no. A2055407716
Mercedes W205 Negative Battery Cable Earth Lead Harness Wiring A2055407716
£23.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0005400664
Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. RHD-A2479007204-1
Mercedes W177 W247 Display Screen Instrument Cluster Speedo Meter A2479007204
£208.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-A2315401208
Mercedes R231 Front Door Cable Harness Right O/S Lock System A2315401208
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0009006302
Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1695400606
Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. EMU30290N
Mercedes W470 Automatic Gearbox Transmission Module Unit Control ECU EMU30290N
Promo price
£85.95
£51.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6421503972
Mercedes C219 CLS 320 642.920 224HP Engine Module Unit ECU A6421503972 Automatic
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139006227
Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
Promo price
£51.95
£31.17
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1665400224
Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-A2055407011-2
Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
Part no. A6461503734-3
Mercedes W204 C220 CDI 170HP OM646.811 Engine ECU Kit A6461503734 Automatic
£237.95
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. A1645460261
Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2218704987
Mercedes W221 Front Left Seat Control Module Unit A2218704987
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129060605
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00
Part no. A2149009808
Mercedes W177 Windscreen Windshield Rain Sensor Control Unit Front A2149009808
£51.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-A2315409932
Mercedes SL R231 Roadster Wiring Harness Front Door Right O/S Loom A2315409932
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2515404206
Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor A2515404206
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1645460161
Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6079001800-2
Mercedes W176 A180 CDI OM607.951 109HP Engine ECU A6079001800 Automatic
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2128202289
Mercedes W212 Aerial Antenna Module Amplifier Rear Window Top Left A2128202289
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139008730
Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1765401304
Door Cable Mercedes W176 Wiring Loom Front Left Door N/S A1765401304
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A1705403506
Mercedes SLK R170 M111 Positive Battery Cable Lead Wire Starter A1705403506
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. A0009062209
Mercedes W118 W177 W247 Petrol M282.914 Alternator Generator A0009062209
£118.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. rhd-A2465407911
Door Harness Mercedes W176 W246 Cable Loom Wiring Front Right O/S A2465407911
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2055407616
Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2218707386
Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386
Promo price
£32.95
£28.01
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2469008813
Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2055406621
Starter Cable Mercedes W205 GLC X253 Electrical Wiring Harness A2055406621
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2479002307
Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307
Promo price
£113.95
£68.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2044408753
Battery Cable Mercedes W204 W207 Negative Lead Alternator Wiring A2044408753
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6401504034-1
Mercedes W245 B200 OM640.941 140HP Engine Control ECU Kit A6401504034 Automatic
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1665459340
Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2075405205
Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2741504704
Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704
Promo price
£94.95
£56.97
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. A2215406801
Mercedes CLS500 C219 Fuse Box Relay Box Control Module Unit A2215406801
Promo price
£118.95
£71.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007500-21
Mercedes SLK R172 250CDI OM651.980 Engine Control Unit ECU A6519007500 Automatic
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2055450901
Mercedes C205 Cable Contact Guide Battery Clamp Unit A2055450901
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6569000200-1
Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic
Promo price
£474.95
£284.97
Free delivery: Mar 3 – 10
If paid before 14:00
Part no. A1698203575
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203575
£75.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2709002100-11
Mercedes W176 A250 M270.920 Engine Control Unit ECU Kit A2709002100 Manual
Promo price
£427.95
£256.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2465405933
Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2118203042
Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2229051300
Mercedes SLK R172 C217 W222 Air Quality Sensor Unit A2229051300
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1679007012
Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1725400035
Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2059006945
Mercedes W205 Digital Radio Multifunction Display Screen Navi A2059006945
£199.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2215405550
Mercedes W221 Front Fuse Box Relay Control Unit Module A2215405550
Promo price
£284.95
£242.21
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2465404300
Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1645401673
Mercedes Benz M-Class ML W164 Control Unit Module SAM Bracket Mount A1645401673
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A1695407805
Mercedes-Benz A B W169 W245 Front Right O/S Door Wiring Cable Harness Loom
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2054406633
Mercedes C205 Door Wiring Front Door Left N/S wiring Harness A2054406633
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A6519009702
Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual
£94.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A6395406609
Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2055452301
Mercedes GLC X253 Coupe Busbar Current Voltage Rail Battery Strip A2055452301
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1669006507
Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2128270228-SEL
Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2049005410
Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0045467840
Distributor Box Mercedes W169 W245 Connector Block Control Unit A0045467840
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A2124408955
Alternator Cable Mercedes W212 OM651 Battery Prefuse Box A2124408955
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6398201689
Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689
Promo price
£237.95
£142.77
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. RHD-A2074402307
Mercedes W207 Locking System Control Unit Module Wiring Cable A2074402307
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-A2218206289
Mercedes W221 Petrol Display Instrument Cluster Speedo Automatic A2218206289
Promo price
£237.95
£202.26
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A9065420240
Unit Mount Mercedes W906 Gateway Control Module ECU Support A9065420240
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2135406503
Mercedes W213 Rear Bumper PDC Assist Wiring Harness Loom Cable A2135406503
£61.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2208204942-1
Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009051910
Battery Cable Mercedes W177 W247 Negative Lead Terminal Harness A0009051910
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1669001703
Mercedes W166 Parking Module PDC Distance Control Unit Sensor A1669001703
Promo price
£66.95
£56.91
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059001240
Mercedes GLC 220d X253 Air Conditioning Climat A/C Control Module A2059001240
Promo price
£27.95
£16.77
Free delivery: Mar 02
If paid before 14:00
Part no. A2168200975
Mercedes W197 C216 C217 Rear Antenna Aerial Amplifier A2168200975
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1179008700
Mercedes GLA X156 Air Module Safety Belt Tensioner Unit Control A1179008700
Promo price
£80.95
£48.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6421508900-6
Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic
Promo price
£379.95
£227.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1175450800
Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1729003406
Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406
Promo price
£66.95
£40.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A4479002405
Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2469064201
Antenna Amplifier Mercedes X117 W176 W205 Rear Aerial Module A2469064201
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1705450301
Mercedes R170 Fuse Distribution Box Junction Fuse Relay A1705450301
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A2059009445
Mercedes C205 C253 Air Module Control Unit SRS A2059009445
£75.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2056201502
Mercedes W205 W213 Front Battery Box Tray Housing Cover Trim Panel A2056201502
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009827723-1
Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6519007500-11
Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1729008500-2
Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500
Promo price
£94.95
£56.97
Free delivery: Mar 02
If paid before 14:00
Part no. A0009006304
Mercedes W906 Automatic Gearbox Transmission Module Control Unit ECU A0009006304
£32.95
Free delivery: Mar 02
If paid before 14:00
Part no. A2214401908
Mercedes C216 W221 Rear Bumper Parking Assist PDC Wiring Harness A2214401908
£23.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139068701
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701
Promo price
£47.95
£28.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-A2535402910
Mercedes X253 Front Door Wiring Harness Cable Loom Right O/S A2535402910
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A0009828523
Mercedes W164 Suspension Compressor Relay A0009828523
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139052403
Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
Part no. A2049061002-4
Mercedes W204 Radio Player Comand Navi CD Head Unit A2049061002
£170.95
Free delivery: Mar 02
If paid before 14:00
Part no. A1649007000-1
Mercedes V251 SAM Body Control Module Rear Unit A1649007000
£379.95
Free delivery: Mar 3 – 10
If paid before 14:00
-15%
Part no. A0024463140-2
Mercedes W169 A160 M266.920 95HP Engine ECU Kit A0024463140 + 2 Keys + Lock
Promo price
£218.95
£186.11
Free delivery: Mar 02
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 .