on February 19, 2011, 3:01 pm, in reply to "Re: Rover 75 Diesel - alternator warning light on dimly!!"
If you have three wires at the alt, with number 1 being brown/yellow and number 2 being light green then place a volt meter across the two wires with the engine running and post the figure.
Regards Mark
Modern cars, Its all wizardry and witchcraft