Replace Electrics by yourself

Manuals and tips on repair and maintenance for Electrics

Here you will find numerous maintenance guides and video tutorials for Electrics
Make
Model
Car parts category
Want to get more useful information?

Ask questions or share your repair experience on the car forum. Subscribe to updates so you don't miss out on new guides.

Electrics: replacement and repair guides
Repair Electrics step by step guide PDF

Electrics: Most viewed car repair video tutorials

Solve problems with Electrics watching our helpful video-guides
Battery
Go to section
  • Universal
    Video-guides on how to repair & replace Electric system yourself
    Things you should know about car batteries | AUTODOC tips
Solve problems with Electrics watching our helpful video-guides
Generator
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change alternator on MERCEDES-BENZ 190 W201 TUTORIAL | AUTODOC
  • Universal
    Watch our comprehensive video tutorials and maintain Electric system
    How to test a car alternator | AUTODOC tips
Solve problems with Electrics watching our helpful video-guides
Headlight Bulb
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change headlight bulb on VW TOURAN 1t3 [TUTORIAL AUTODOC]
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change a headlight lamp bulb on SKODA FABIA 6Y TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change a headlight lamp bulb on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change headlight lamp bulb Honda CR-V 1 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change a headlight lamp bulb on VW CADDY 3 TUTORIAL | AUTODOC
  • Check out our useful videos about Electric system maintenance
    How to change headlight bulb on OPEL ASTRA G CC (F48, F08) [TUTORIAL AUTODOC]
  • Helpful tips & guides on Electric system change in our informative videos
    How to change a headlight lamp bulb on DACIA LOGAN 1 TUTORIAL | AUTODOC
  • Free video-guide on how to replace Electric system
    How to change a headlight lamp bulb on VW PASSAT B5+ TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Headlights
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change a headlight lamp bulb on SKODA FABIA 6Y TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change headlight Audi Q7 4L TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change a headlight lamp bulb on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change a headlight lamp bulb on VW CADDY 3 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change headlights on AUDI A6 C5 Avant [TUTORIAL AUTODOC]
  • Check out our useful videos about Electric system maintenance
    How to change headlights / headlamp on TOYOTA AYGO 1 (AB10) [TUTORIAL AUTODOC]
  • Helpful tips & guides on Electric system change in our informative videos
    How to change a headlight lamp bulb on DACIA LOGAN 1 TUTORIAL | AUTODOC
  • Free video-guide on how to replace Electric system
    How to change a headlight on MERCEDES-BENZ 190 W201 TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Fog Lights
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    HOW TO change FOG LIGHT ON BMW 5 E60 TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change fog lights TOYOTA LAND CRUISER PRADO J120 TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change fog lights on RENAULT GRAND SCENIC 2 TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change fog lights on SEAT LEON 1P1 [TUTORIAL AUTODOC]
  • Watch our video-instructions and change Electric system with no issues
    How to change fog and parking light lamp bulbs Mazda 626 GF TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Spotlight Bulb
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change a headlight lamp bulb on SKODA FABIA 6Y TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change a headlight lamp bulb on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change rear light lamp bulbs on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change headlight lamp bulb Honda CR-V 1 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change a headlight lamp bulb on VW CADDY 3 TUTORIAL | AUTODOC
  • Check out our useful videos about Electric system maintenance
    How to change a headlight lamp bulb on DACIA LOGAN 1 TUTORIAL | AUTODOC
  • Helpful tips & guides on Electric system change in our informative videos
    How to change rear light lamp bulbs NISSAN MICRA 3 TUTORIAL | AUTODOC
  • Free video-guide on how to replace Electric system
    How to change parking light lamp bulb on RENAULT SCENIC 2 TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Fog Light Bulb
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change fog light lamp bulb on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change fog and parking light lamp bulbs Mazda 626 GF TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change headlight bulb on MERCEDES W201 [TUTORIAL AUTODOC]
Solve problems with Electrics watching our helpful video-guides
Tail Lights
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change rear light NISSAN QASHQAI (J10, NJ10) [TUTORIAL AUTODOC]
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change rear light OCTAVIA (1Z5) [TUTORIAL AUTODOC]
  • Video-instructions for Electric system
    How to change rear light OPEL CORSA D [TUTORIAL AUTODOC]
  • Learn how to solve problems with Electric system
    How to change rear light on VW T5 TRANSPORTER Van [TUTORIAL AUTODOC]
  • Watch our video-instructions and change Electric system with no issues
    How to change a rear light on the FORD TRANSIT MK7 [AUTODOC TUTORIAL]
Solve problems with Electrics watching our helpful video-guides
Turn Signal Light
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change auxiliary indicator on TOYOTA YARIS P1 [TUTORIAL AUTODOC]
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change auxiliary indicator on MERCEDES W204 [TUTORIAL AUTODOC]
  • Video-instructions for Electric system
    How to change auxiliary indicator on HONDA CIVIC 8 [TUTORIAL AUTODOC]
  • Learn how to solve problems with Electric system
    How to change auxiliary indicator on MERCEDES W124 [TUTORIAL AUTODOC]
  • Watch our video-instructions and change Electric system with no issues
    How to change auxiliary indicator on MERCEDES W201 [TUTORIAL AUTODOC]
  • Check out our useful videos about Electric system maintenance
    How to change a turn signal repeater on the FORD TRANSIT MK7 [AUTODOC TUTORIAL]
Solve problems with Electrics watching our helpful video-guides
Number Plate Light
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change license plate light bulbs on VW PASSAT B6 [TUTORIAL AUTODOC]
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change license plate light bulbs on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change license plate light bulbs on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change license plate light bulbs on AUDI Q7 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change number plate light on AUDI A4 B7 Saloon [TUTORIAL AUTODOC]
  • Check out our useful videos about Electric system maintenance
    How to change license plate light bulbs on RENAULT MEGANE 2 TUTORIAL | AUTODOC
  • Helpful tips & guides on Electric system change in our informative videos
    How to change license plate light bulbs on VW SHARAN 7M TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Indicator Bulb
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change turn light lamp AUDI Q7 4L TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change rear light lamp bulbs NISSAN MICRA 3 TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change fog light lamp bulb on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change a turn signal light bulb on on RENAULT SCENIC 3 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change turn light lamp Mazda 626 GF TUTORIAL | AUTODOC
  • Check out our useful videos about Electric system maintenance
    How to change headlight bulb on MERCEDES W201 [TUTORIAL AUTODOC]
Solve problems with Electrics watching our helpful video-guides
Number Plate Light Bulb
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change license plate light bulbs on VW PASSAT B6 [TUTORIAL AUTODOC]
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change license plate light bulbs on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change rear light lamp bulbs on SKODA FABIA 6Y TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change license plate light bulbs on AUDI Q7 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change license plate light bulbs on RENAULT MEGANE 2 TUTORIAL | AUTODOC
  • Check out our useful videos about Electric system maintenance
    How to change a trunk light bulb on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Helpful tips & guides on Electric system change in our informative videos
    How to change license plate light bulbs on VW SHARAN 7M TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Auxiliary Stop Light
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change rear light lamp bulbs on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change rear light lamp bulbs on VW PASSAT B6 [TUTORIAL AUTODOC]
  • Video-instructions for Electric system
    How to change rear light lamp bulbs on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Learn how to solve problems with Electric system
    How to change rear light lamp bulbs on AUDI Q7 TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change rear light lamp bulbs on VW SHARAN 7M TUTORIAL | AUTODOC
  • Check out our useful videos about Electric system maintenance
    How to change rear light lamp bulbs on RENAULT MEGANE 2 TUTORIAL | AUTODOC
  • Helpful tips & guides on Electric system change in our informative videos
    How to change rear light lamp bulbs on VW GOLF 4 TUTORIAL | AUTODOC
  • Free video-guide on how to replace Electric system
    How to change rear light lamp bulbs on SKODA OCTAVIA 1U TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Combination Rearlight Bulb
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change rear light lamp bulbs on RENAULT SCENIC 2 TUTORIAL | AUTODOC
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change rear light lamp bulbs NISSAN MICRA 3 TUTORIAL | AUTODOC
  • Video-instructions for Electric system
    How to change rear light lamp bulbs on VW PASSAT B6 [TUTORIAL AUTODOC]
  • Learn how to solve problems with Electric system
    How to change rear light lamp bulbs on SKODA OCTAVIA 2 (1Z3) TUTORIAL | AUTODOC
  • Watch our video-instructions and change Electric system with no issues
    How to change rear light lamp bulbs on AUDI Q7 TUTORIAL | AUTODOC
  • Check out our useful videos about Electric system maintenance
    How to change rear light lamp bulbs on SKODA FABIA 6Y TUTORIAL | AUTODOC
  • Helpful tips & guides on Electric system change in our informative videos
    How to change rear light lamp bulbs on VW SHARAN 7M TUTORIAL | AUTODOC
  • Free video-guide on how to replace Electric system
    How to change rear light lamp bulbs on RENAULT MEGANE 2 TUTORIAL | AUTODOC
Solve problems with Electrics watching our helpful video-guides
Window Regulator
Go to section
  • Video-guides on how to repair & replace Electric system yourself
    How to change window regulator AUDI A4 (B7) [TUTORIAL AUTODOC]
  • Watch our comprehensive video tutorials and maintain Electric system
    How to change window regulator VW GOLF 4 [TUTORIAL AUTODOC]
  • Video-instructions for Electric system
    How to change window regulator VOLKSWAGEN GOLF 3 (1H1) [TUTORIAL AUTODOC]
  • Universal
    Learn how to solve problems with Electric system
    Why does my power window move slowly? | AUTODOC tips
  • Watch our video-instructions and change Electric system with no issues
    How to change front window regulator MERCEDES W210 [TUTORIAL AUTODOC]
  • Check out our useful videos about Electric system maintenance
    How to change rear window regulator MERCEDES W210 [TUTORIAL AUTODOC]
  • Helpful tips & guides on Electric system change in our informative videos
    How to change window regulator CITROËN BERLINGO M [TUTORIAL AUTODOC]
  • Free video-guide on how to replace Electric system
    How to change window regulator BMW E46 Touring [TUTORIAL AUTODOC]
Solve problems with Electrics watching our helpful video-guides
Window Switch
Go to section
  • Universal
    Video-guides on how to repair & replace Electric system yourself
    Why does my power window move slowly? | AUTODOC tips
Repair Electrics step by step guide PDF

Electrics: Top repair guides

Do it yourself change Electrics in your car
Battery
Go to section
Do it yourself change Electrics in your car
Generator
Go to section
Do it yourself change Electrics in your car
Auxiliary Stop Light
Go to section
Electrics maintenance & repair manuals online
Lifehacks from AUTODOC CLUB
  • Electrics replacement hacks
    How to reduce fuel consumption | AUTODOC
  • Advices on Electrics servicing
    Things you should never do with an automatic transmission | AUTODOC tips
  • Electrics Maintenance Hacks
    Top 5 mistakes when working in the engine bay | AUTODOC tips
  • Electrics service tips
    How to easily repair a punctured tyre | AUTODOC tips
Install the AUTODOC CLUB app!
Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.
Electrics service tutorial - scan QR-code and install AUTODOC CLUB app
Scan

To download the app:

  • - scan the QR code
  • - download from App Store
  • - download from Google Play
Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Common questions about checking and repairing electrical equipment

What components are part of the vehicle’s electrical system?

Electrical equipment includes exterior and interior lighting elements, as well as all electrically powered devices of the car. Among them are: the on-board computer, anti-theft alarm, electrically adjustable seats, power windows, heated steering wheel and seats, parking sensors, and the navigation system. Connecting them requires wires, switches, relays and fuses. The power source is the car battery. While you are driving, it is charged by the alternator. It has an in-built voltage regulator. To start the engine, the starter is used.

What are the causes of car electrical equipment malfunctions?

Battery overcharging may be caused by a faulty voltage regulator or diode bridge of the alternator. If dirt gets on the alternator winding, it can cause a short circuit, while worn-out brushes and slip rings can disrupt the battery charging process. The latter also takes place when the drive belt is loosened or broken. Current-consuming devices may burn out due to high voltage, short circuit, corroded or heat-damaged terminals.

What can cause low voltage in a car?

The problem may occur due to a faulty relay or diode bridge of the alternator which fails to maintain the required voltage level. Installing a device that consumes too much power or using a worn-out car battery also reduces the voltage. Unsuitable wires, relays and fuses are another possible reason.