UPDATE on my Battery / alternator issue. Battery is 15 volts at idle and 13.5 under load. the alternator test with the plug remover output 14.9. Garage said that all looks fine as there is 15 volt output from the alternator and the battery is showing 13.5 under-load, Do any of the members have any advice? I will remove the plug from the alternator as some of you have said would help, But is there any thing else I can do? thanks ALL Paul.