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Electrical Maintenance

This section will cover electrical maintenance for your car to keep it in good working condition. It will include how to change bulbs, connectors, wiring loom, light clusters, switches, sensors, ECU's etc. Most of these guides are a step-by-step process showing you what to do and what is involved. Most if not all the guides are also available in downloadable formats, such as Acrobat Reader format (printing) or the guide itself compressed (zipped) for downloading for later reading. You will need the following programmes as shown on the left to be able to view or use them. Use the key below to gauge how difficult each task will be. Please pick from the list below.

  Difficulty key:-
Dead easy, even your Gran can do this.
A nice weekend job, nothing you can't handle.
Starting to get challenging, but some parts can be a reel pig to do.
Might need some help on this, and the right tools will make it easier.
Best left to the experts, but still possible if your have the time and tools.

  Testing a Knock Sensor [Difficulty: ] Jan 2003 - Rev 1 To the top

Testing a Knock Sensor (KS)

Testing information on the Knock Sensor (KS) and how it works. A faulty KS can lead to poor performance and bad engine running. This guide shows you how you can fault find the KS.

  Testing CTS [Difficulty: ] Dec 2002 - Rev 2 To the top

Testing Coolant Temperature Sensor (CTS)

The coolant temperature sensor (CTS) is commonly found on modern injection engines. It measures the coolant (water) temperature in the engine itself. The Engine Control Unit (ECU) uses the CTS value to calculate the ignition timing and injector pulse duration. If it goes wrong then starting the car when its hot or cold becomes difficult. This guide shows you how you can fault find the CTS.

  Testing ABS Sensors [Difficulty: ] Nov 2001 - Rev 1 To the top

Testing ABS sensors

Most, if not all modern cars, now days come with ABS (Anti-lock Braking System) as standard. But what happens when a sensor goes wrong? Fortunately you can test the sensors using basic tools.

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