Check the Negative (-) terminal clamp is tight
Check the Positive (+) terminal clamp is tight. CAUTION If using a spanner to tighten terminal, be careful not to short it on the bodywork
Check battery is generally secure. If loose, tighten the battery retainer
The battery retaining clamp position
Use a 10mm socket to do this.
If you have to replace the battery or alternator, click below
Replace the battery cover