AE


One of the oldest established and largest independent remanufacturers of starter motors and alternators in the U.K.

TECHNICAL SUPPORT
For specific enquiries e-mail: technical@autoelectro.co.uk
Below are two examples of our technical support helpline topics

ALTERNATOR: Fault finder check list

Problem: Warning light remains on
Possible causes: 1 Check the fan belt is not slipping
2 Check the +ve and -ve supply to the alternator
3 Ensure warning light cicuit is not down to earth
4 Suppressor fitted incorrectly
5 Terminals on alternator and / or wiring burnt.
Problem: No warning light
Possible causes: 1 Check bulb has not blown
2 Poor or burnt connectors to alternator
3 Break in warning light circuit wiring to instruments
4 Check ignition fuse for instrumentation

Problem: Alternator undercharging
Possible causes: 1 Slipping fan belt
2 Poor earth to alternator
3 Poor supply to alternator
General Checks: 1 Ingress of oil burns out the alternator
2 Over tightened fan belt bearings become noisy
3 Wrong spacers on pulley
4 Brackets broken
STARTER MOTOR Fault finder check list

Problem: Starter will not turn
Possible causes: 1 Poor connections to starter
2 Check +ve and –ve supply to starter
3 Less than 12V to solenoid exciter terminal due to worn ignition switch or broken wiring
4 Flat battery
Problem: Starter turns slowly or makes grating noise
Possible causes: 1 Vehicle timing out of specification
2 Poor supply to starter
3 Gearbox bush worn on free floating starter
4 Poor engine earth
Problem: Starter motor sticks
Possible causes: 1 Excessive clutch dust on starter
2 Worn ring gear on car
3 Ignition switch sticking and not returning
A Quick Test: Place starter tightly in a vice. Use a 12V battery and jump leads. Connect –ve side to starter body and +ve to main feed on starter. With an insulated screwdriver arc across the main feed and solenoid exciter terminal. Starter should throw in and turn at speed
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