See also:

Central door locking components - operation, removal and refitting
Note: If a central locking solenoid or motor is to be renewed due to jamming or overheating, the central locking relay must be renewed at the same time even if it is believed to be working correct ...

Alternator - testing
Note: To carry out the complete test procedure use only the following test equipment - a 0 to 20 volt moving coil voltmeter, a 0 to 100 amp moving coil ammeter, and a rheostat rated at 30 amps. 1 ...

Compression test
1 When engine performance is poor, or if misfiring occurs which cannot be attributed to the ignition or fuel system, a compression test can provide diagnostic clues. If the test is performed regul ...