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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Subcategory
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In Stock
Price
Part no. B67824524
Mercedes W164 Media Interface Connection Cable MI AUX Wiring B67824524
£13.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2185400010
Sunroof Wiring Mercedes W212 W218 Panoramic Motor Cable Harness A2185400010
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2519005200
Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2129009425
Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009425
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1698203185-1
Door Module Mercedes W169 W245 Control Unit Rear Left N/S ECU A1698203185
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2239005031
Mercedes W206 Gearbox Transmission Control Module ECU A0009014322
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2049060805
Mercedes S204 Estate Rear SAM Control Module Unit Fuse Box A2049060805
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00
Part no. A2478207302
Mercedes W177 Single USB C Charging Port Socket Connection Unit A2478207302
£28.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2465849100
Mercedes W176 Map Card Fuse Box Grouping Diagram A2465849100
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. A6461501077-2
Mercedes Vito W639 OM646.980 116HP Engine ECU Control Set A6461501077 Manual
£379.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. A1649820423
Mercedes V251 Rear Fuse Box Relay Power Distribution Module Unit A1649820423
Promo price
£146.95
£88.17
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. rhd-A2055402580
Battery Cable Mercedes W205 W213 Starter Alternator Wiring Harness A2055402580
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
Part no. A2129005614-1
Mercedes C207 W212 W218 Head Unit Navi CD Player Navigation A2129005614
£208.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. A4159007503
Mercedes Citan W415 Body Control Module Unit BCM ECU A4159007503 284B18276R
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2055456300
Mercedes C205 Rear Control Unit Module Bracket Mount Holder Support A2055456300
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059007615
Module Mercedes W205 Air Conditioning Control Module A2059007615
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2318601502
Mercedes R231 Door Air Module Unit Front Left N/S A2318601502
Promo price
£161.95
£137.66
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059004321
Mercedes W205 X253 Front Right O/S Door Control Unit Module A2059004321
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2479009107
Rain Sensor Mercedes W118 W177 W247 Windscreen Light Control Unit A2479009107
Promo price
£37.95
£32.26
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2059007218-2
Mercedes GLC X253 Rear Trunk Lid Automatic Closing Lock Mechanism A2059007218
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
Part no. A0025421319-1
Mercedes W204 Genuine Universal Car Relay 4-Pin Hella Black A0025421319
£13.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2059007218
Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2139068701-1
Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068701
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1669005104
Door Module Mercedes ML W166 W242 W246 Front Left N/S Control Unit A1669005104
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2179008901
Mercedes A205 W217 Fuel Pump Module Control Unit ECU A2179008901
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2318601602
Mercedes R231 Door Air Module Unit Front Right O/S A2318601602
Promo price
£161.95
£137.66
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2048708926
Mercedes S204 Bootlid Control Unit Trunk Lid Module A2048708926
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2124401651
Door Cable Mercedes W212 Wiring Loom Front Left N/S Passenger Side A2124401651
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1775405329
Mercedes W177 Positive Battery Cable Wiring A1775405329
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A0025451201
Mercedes W169 W245 W906 Fuse Box Carrier A0025451201
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2128300008
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2128300008
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2055455440
Mercedes C205 Keyless Go Module Unit Bracket Mount Holder Support A2055455440
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1775455100
Mercedes W177 AMG Antenna Amplifier Control Unit Module A1775455100
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2319050018
Mercedes R231 Interior Motion Protection Sensor Control Module ECU A2319050018
Promo price
£70.95
£42.57
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2048205497
Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A2048205497
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1729016602
Mercedes SLK R172 GPS Navigation System Screen Display A1729007411
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2469000005
Mercedes W176 PDC Parking Distance Control Module Unit A2469000005
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2045401307
Mercedes W204 Centre Console Lightning Dashboard Cable Wiring A2045401307
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2069056303-1
Mercedes W206 Crash Impact Pedestrian Protect Sensor Unit Front A2069056303
Promo price
£56.95
£48.41
Free delivery: Mar 02
If paid before 14:00
Part no. A2789001300-2
Mercedes W166 ML63 4-Matic M157 585HP Engine Unit ECU Kit A2789001300 Automatic
£854.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2218203375
Mercedes W221 Bluetooth Antenna AMP Amplifier Module A2218203375
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2098209810
Mercedes CLK A209 Cabrio Alarm Anti Theft System Control Module Unit A2098209810
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2535405429
Mercedes C253 OM656 Diesel Engine Motor Wiring Loom Cable Harness A2535405429
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1729002611
Mercedes SLK R172 Rear Fuse Box Relay Control Unit SAM Body Module A1729002611
Promo price
£170.95
£102.57
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1775401740
Mercedes V177 Electrical Wiring Harness Left Right N/O/S A1775401740
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2661536379
Mercedes-Benz A-Class W169 A150 Engine Control Unit Module A2661536379 Manual
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1635461237
Mercedes-Benz M ML W164 Door Cable Harness Wiring Loom Rear Left N/S 13542340
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1715453040
Mercedes R171 Rear Bracket Navigation Multimedia Processor Mount A1715453040
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A4475401755
Earth Ground Cable Mercedes Vito W447 Positive Battery Lead Wiring A4475401755
Promo price
£56.95
£34.17
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2048709189
Mercedes-Benz C-Class W204 Left N/S Antenna Amplifier Filter Module A2048709189
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2124405733
Mercedes W212 Wiring Loom Cable Driver's Door Front Wiring Harness A2124405733
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2069003517
Mercedes W206 Ignition Control Module Unit A2069003517
Promo price
£184.95
£110.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. rhd-A2044402713
Battery Cable Mercedes W204 C207 Alternator Wiring Harness A2044402713
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6461505072-1
Mercedes W211 E220 CDI 646.821 170HP Engine ECU Kit A6461505072 Ignition + Key
Promo price
£189.95
£113.97
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. A2465403505
Door Wiring Mercedes W176 W246 Front Passenger Side Cable Harness A2465403505
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009006102
Mercedes Vito W639 ECU Control Unit Crash Impact Module Air Module A0009006102
Promo price
£47.95
£40.76
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2139008330
Mercedes W177 W213 W247 Automatic Gearbox Control Unit Module ECU A2139008330
Promo price
£75.95
£45.57
Free delivery: Mar 02
If paid before 14:00
Part no. A1669004811
Mercedes ML W166 GL X166 Air Suspension Control Unit Module ECU A1669004811
£66.95
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2229002112
Door Module Mercedes W205 GLC C253 Control Unit Rear Right O/S A2229002112
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2475402506
Control Unit Bracket Mercedes W177 W247 SAM Module Panel Cover A2475402506
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1699007800
Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007800
Promo price
£332.95
£199.77
Free delivery: Mar 02
If paid before 14:00
Part no. A1669009411
Mercedes ML W166 GL X166 Body Comfort Control Unit SAM Module ECU A2139003208
£94.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-A2641503301
Mercedes C200 W205 Petrol M264 Engine Wiring Harness Loom A2641503301
Promo price
£256.95
£218.41
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1635409008
Mercedes-Benz M ML W163 Radio Aerial Antenna Amplifier Wiring Loom A1635409008
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. rhd-A2055409406
Door Wiring Mercedes W205 Rear Door Left N/S Wiring Harness Loom A2055409406
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A0009003909
Mercedes SLK R172 C207 BlueTEC Adblue SCR Module Control Unit A0009003909
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1648202715
Electrical Wiring Cable Mercedes W164 W251 Radio Media Interface A1648202715
Promo price
£23.95
£20.36
Free delivery: Mar 02
If paid before 14:00
Part no. A2168201415
Mercedes CL C216 Mobile Phone Telephone Module Wiring Loom Harness A2168201415
£32.95
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2711500420
Mercedes W204 M271 Solenoid SOLV Valve Wiring Harness Petrol A2711500420
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2054403008
Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. RHD-A2135402170
Mercedes W213 Starter Ground Cable Wiring Loom Harness A2135402170
Promo price
£42.95
£25.77
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2649000700-3
Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic
Promo price
£208.95
£125.37
Free delivery: Mar 02
If paid before 14:00
Part no. A6401500434-1
Mercedes W169 A160 CDI OM640.942 82HP Engine Unit ECU Kit A6401500434 Automatic
£189.95
Free delivery: Mar 3 – 10
If paid before 14:00
-40%
Part no. RHD-A2055408240
Mercedes W205 Front Door Electrical Wiring Harness Left N/S A2055408240
Promo price
£28.95
£17.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2045407435
Earth Ground Cable Mercedes W204 C207 W212 Line Strap Battery Lead A2045407435
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A9068270005
Mercedes W639 W906 Voltage Stabilizer Control Unit Module A9068270005
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A1775405501
Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775405501
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A6421509678-2
Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
Promo price
£142.95
£85.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-A9068204226
Mercedes W906 Door Module Front Right O/S Control Unit ECU A9068204226
Promo price
£28.95
£24.61
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1331510745
Mercedes C117 CLA 45 AMG Heat Shield Alternator Plate Petrol M133 A1331510745
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
Part no. A6511502490
Mercedes W176 W246 Diesel Engine OM651 Wiring Harness Loom Cable A6511502490
£132.95
Free delivery: Mar 3 – 10
If paid before 14:00
-5%
Part no. A2218702086
Mercedes W221 Rear Seat Control Module Unit ECU A2218702086
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1779008503
Mercedes A Class W177 Door Control Module Front Left A1779008503
Promo price
£23.95
£14.37
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1698705594
Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705594
Promo price
£85.95
£73.06
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A1664409907
Mercedes ML W166 Battery Possitive Cable To Pre Fuse Box Wiring A1664409907
Promo price
£37.95
£22.77
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2469005413
Mercedes C117 Head Unit Radio Player Control Module Becker A2469005413
Promo price
£284.95
£242.21
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A6541592501
Mercedes W213 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541592225
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2055408104
Battery Cable Mercedes W205 X253 Diesel OM651 Alternator Wiring A2055408104
Promo price
£18.95
£16.11
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2075400440
Mercedes-Benz E-Class A207 Additional Battery Tray Holder Mounting Bracket
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
Part no. B67824529-1
Mercedes W203 CL203 iPod Interface Module Control Unit ECU Wiring B67824529
£47.95
Free delivery: Mar 02
If paid before 14:00
-40%
Part no. A2319007306
Mercedes SL R231 SAM Module Control Unit Fuse Relay Box Rear A2319007306
Promo price
£189.95
£113.97
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2469050101
Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-5%
Part no. A2465462780
Mercedes-Benz A B W176 W246 Rear Axle Left N/S Wiring Cable Holder Bracket
Promo price
£13.95
£13.25
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. RHD-A2215404710
Mercedes W221 M272 Petrol Engine Starter Cable Harness Wiring A2215404710
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2049007111
Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049007111
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A2069003613
Mercedes W206 BCM Body Control Unit On Board Power Distribution A2069003613
Promo price
£113.95
£96.86
Free delivery: Mar 02
If paid before 14:00
-15%
Part no. A1669059302-1
Mercedes W166 Rear View Reversing Camera Trunk Lid Tailgate A1669059302
Promo price
£118.95
£101.11
Free delivery: Mar 02
If paid before 14:00
Part no. A2129005614
Mercedes C207 W212 W218 Radio Head Unit Navi CD Player Navigation A2129005614
£180.95
Free delivery: Mar 02
If paid before 14:00
Part no. A2139003110
Mercedes W213 COMAND Head Unit Radio Navi Player Control Unit A2139003110
£522.95
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 .