Electrical & electronic

Electrical & electronic

Electrical and electronic automotive parts.Guides, service and repairs.

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  • Airbag Systems

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    Airbag Systems

    Car Airbag Systems explained An airbag is a vehicle safety device. It is an occupant restraint system consisting of a flexible fabric envelope or cushion designed to inflate ...

  • Alfa Romeo ECU upgrades

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    Alfa Romeo ECU upgrades

    ECU Remapping for Alfa Romeo Guide to possible BHP and Torgue improvement, on Alfa Romeo cars with a ECU remapping or upgrade. Model Variant Original BHP SRS II Tuning ...

  • Alternator and Dynamo difference

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    Alternator and Dynamo difference

    The difference between a dynamo and an alternator What is the difference between a dynamo and an alternator ? A dynamo is fitted to many early cars up to the 1980s on some models ...

  • Alternator bushes Replace

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    Alternator bushes Replace

    Replace Car alternator bushes Most alternators have brushes fitted into a plastic brush holder,held to the rear casing of the alternator by two or three screws or bolts. With a ...

  • Alternator How it works

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    Alternator How it works

    Car Alternator How it works The alternator produces electricity used to maintain battery storage charge and to help run all the electrical accessories, including the ignition and ...

  • Alternator how to remove

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    Alternator how to remove

    How to remove a Car Alternator The alternator is bolted to the side of the engine and is driven by the drive belt. Most alternators are quite easy to remove but on some ...

  • Alternator overhaul

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    Alternator overhaul

    Motor car Guide to Classic Car alternator sevice & overhaul Replace Internal Brushes Except for the Lucas ACR series, most alternators with internal brushes are difficult to ...

  • Alternator Voltage check

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    Alternator Voltage check

    Car alternator Voltage check for faults A Simple guide for checking the cars alternator and voltage regulator for possible faults is an important task, especially more so for ...

  • AMG ECU upgrades

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    AMG ECU upgrades

    ECU Remapping for AMG Guide to possible BHP and Torgue improvement, on AMG cars with ECU remapping or upgrade. © Motor Car History Model Variant Original BHP Tuning Performance C ...

  • Ammeter gauge how it works

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    Ammeter gauge how it works

    Ammeter gauge Should you fit an Ammeter gauge what can it do? The ammeter indicates how rapidly electrical energy is flowing into or out of the battery, and whether electrical ...

  • Anti-hijack system

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    Anti-hijack system

    Car Anti-hijack system An anti-hijack system is an electronic system fitted to motor vehicles to deter criminals from hijacking them. Although these types of systems are becoming ...

  • Audi ECU upgrades

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    Audi ECU upgrades

    ECU Remapping for Audi Guide to possible BHP and Torgue improvement, on Audi cars with ECU remapping or upgrade. © Motor Car History Model Variant Original BHP SRS II Tuning ...

  • Automatic vehicle location

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    Automatic vehicle location

    Automatic vehicle location Automatic vehicle location (AVL or locating; telelocating in EU) is a means for automatically determining the geographic location of a vehicle and ...

  • Base units Terms Explained SI 2

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    Base units Terms Explained SI 2

    Base units Terms Explained Derived units are formed by powers, products or quotients of the base units and are unlimited in number; Derived units are associated with derived ...

  • Battery Construction Lead Acid

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    Battery Construction Lead Acid

    Construction of a traditional Automobile Lead Acid battery The construction of the traditional Automobile Lead Acid battery comprises the number of cells needed to produce the ...

  • Battery explained

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    Battery explained

    Car Battery The battery is a storage device, currently 12 volts, used to start the engine and help operate the electrical accessories installed on your car. The battery consists ...

  • Bentley ECU upgrades

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    Bentley ECU upgrades

    ECU Remapping for Bentley Guide to possible BHP and Torgue improvement, on Bentley cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance Azure 6.8 389 ...

  • BMW ECU upgrades

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    BMW ECU upgrades

    ECU Remapping for BMW Guide to possible BHP and Torgue improvement, on BMW cars with ECU remapping or upgrade. Model Variant Original SRS II Tuning Performance 1 Series E81 116i ...

  • Brake lights not working Classic cars

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    Brake lights not working Classic cars

    Brake lights not working? Classic cars Have your brake lights gone out? If this is the case, a few easy checks should quickly reveal the problem. Driving without working brake ...

  • Car Abbreviations Explained

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    Car Abbreviations Explained

    Car Abbreviations & Acronyms Explained Car jargon buster what does that stand for? # to G 4WD: Four Wheel Drive ABS: Anti-lock Braking System AC: Air Conditioning ACC: Adaptive ...

  • Car Bulbs & Types

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    Car Bulbs & Types

    Car Bulbs types and checks How to remove a Car Bulb Remove the bulb and look at it against the sky you may be able to see whether the filament has broken. If you cannot tell, ...

  • Car Horn fault

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    Car Horn fault

    Problems with a car’s Horn If the vehicle horn will not sound or is insufficiently loud or may continually sound. Simple Guide. Note some systems may only have a single horn or a ...

  • Caterham ECU upgrades

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    Caterham ECU upgrades

    ECU Remapping for Caterham cars Guide to possible BHP and Torgue improvement, on Caterham cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance ...

  • Chrysler ECU upgrades

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    Chrysler ECU upgrades

    ECU Remapping for Chrysler Guide to possible BHP and Torgue improvement, on Chrysler cars with ECU remapping or upgrade. Model Variant Original BHP SRS II Tuning Performance 300C ...

  • Citroen ECU upgrades

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    Citroen ECU upgrades

    ECU Remapping for Citroen Guide to possible BHP and Torgue improvement, on Citroen cars and vans with ECU remapping or upgrade. Model Variant Original BHP SRS II Tuning ...

  • Classic car Spark Plug Service

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    Classic car Spark Plug Service

    How to do a Car Spark Plug Service Removal, Inspection and Refit Spark plugs are among the most vital parts of the ignition system. Their condition and adjustment affect both ...

  • Contact breaker

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    Contact breaker

    Car Contact breaker explained A contact breaker (or "points") is a type of electrical switch, and the term typically refers to the switching device found in the distributor of ...

  • Coolant temperature Sensor

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    Coolant temperature Sensor

    Car coolant temperature sensor explained The coolant temperature sensor is used to measure the temperature of the engine coolant of an internal combustion engine. The readings ...

  • Crankshaft position Sensor

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    Crankshaft position Sensor

    Crankshaft position sensor A crank position sensor is an electronic device used in an internal combustion engine to monitor the position or rotational speed of the crankshaft. ...

  • Dacia ECU upgrades

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    Dacia ECU upgrades

    ECU Remapping for Dacia Guide to possible BHP and Torgue improvement, on Dacia cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance Logan 1.4 75 BHP ...

  • Daewoo ECU upgrades

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    Daewoo ECU upgrades

    ECU Remapping for Daewoo Guide to possible BHP and Torgue improvement, on Daewoo cars with ECU remapping or upgrade. Model Variant Original BHP Tuning Performance Aranos 2.0 104 ...

  • Daytime running lamp

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    Daytime running lamp

    Daytime running lamps A daytime running lamp (DRL, also daylight running lamp or daytime running light) is an automotive lighting device on the front of a roadgoing motor ...

  • Defogger exlained

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    Defogger exlained

    Car Defogger A defogger, demister, or defroster is a system to clear condensation and thaw frost from the windshield, backglass, and/or side windows of a motor vehicle. For ...

  • Distributor explaned

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    Distributor explaned

    Distributor explaned A distributor is a device in the ignition system of an internal combustion engine that routes high voltage from the ignition coil to the spark plugs in the ...

  • Driving lamps

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    Driving lamps

    Driving lamps "Driving lamp" is a term deriving from the early days of nighttime driving, when it was relatively rare to encounter an opposing vehicle.Only on those occasions ...

  • Dynamo Changing commutator end-bracket

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    Dynamo Changing commutator end-bracket

    Dynamo Changing the commutator end-bracket bush How to Change the commutator end-bracket bush in a Dynamo. Inspect the commutator end-bracket before refitting it on the dynamo ...

  • Dynamo changing the brushes

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    Dynamo changing the brushes

    Changing the brushes in the dynamo How and when to change the brushes in a dynamo. Tools: Screwdrivers; fine file; stiff brush. Materials: Petrol-moistened rag; fine glass-paper; ...

  • Dynamo check and cleaning commutator

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    Dynamo check and cleaning commutator

    Checking and cleaning the commutator in the dynamo How to check and clean the commutator in the dynamo. Toots: Calipers; hacksaw blade. Materials: Fine glass-paper; cleaning rag. ...

  • Dynamo removing and dismantling

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    Dynamo removing and dismantling

    Removing and dismantling the dynamo If your ammeter shows that the battery is not recharging, or if a red warning light comes on, then the dynamo may be faulty. Tools: Two ...

  • ECU Programmable

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    ECU Programmable

    Aftermarket Programmable ECU A special category of ECUs are those which are programmable. These units do not have a fixed behaviour and can be reprogrammed by the user. ...

  • ECU Remapping

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    ECU Remapping

    Understanding ECU Remapping ECU Remapping How does an ECU Upgrade work? Re-mapping or performance tuning means that the standard software is modified, especially the parameters ...

  • ECU Understanding

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    ECU Understanding

    Understanding the ECU Modes of Operation When you first turn the key and the engine is cold, the coolant is cold, the fuel is cold, the oxygen sensors are cold and the engine ...

  • ECU Workings Explained

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    ECU Workings Explained

    Workings of a ECU An engine control unit (ECU), most commonly called the powertrain control module (PCM), is a type of electronic control unit that controls a series of actuators ...

  • Electrical Current terms

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    Electrical Current terms

    Electrical Current terms The three main terms used in electricity are; (1) Ampere or Amp, which denotes the measure of current flow. (2) Volt, denoting the measure of electrical ...

  • Electrical System Circuit Tester Checker

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    Electrical System Circuit Tester Checker

    Electrical System Circuit Light Test Checker A Simple test light is used to check the continuity of an electrical circuit a basic cheap test solution. How to use a test light on ...