rodds1

hi the voltage is around 13.5 volts, but when i put the lights on the voltage drops to around 12.5

Hi can anyone help with an electrical fault on my fazzer. Batt keep going flat. Got a new batt for it, but still having same prob, checked in mantinace manuel, and tested alternater, the readings are a bit higher than in the book but not alot, dose anyone know how to test the rectifier. Can anyone please help?