Audi 80 1993 (K reg) 70Amp alternator
I'm checking the above alternator output using a digi volt meter across the battery. On tickover it's reading around 14.3v with no load and
14.0 with lights & heater on. From what I've read that appears to be about normal, but every couple of seconds the voltage keeps dropping and then back up to normal. It's as though the alternator is switching on and off constantly Is it normal for the voltage to pulsate up & down like this as other cars I've checked have maintained a steady consistent reading?