Date registered: Jun 2012
Vehicle: 1991 560 SEC Black on Grey
Location: Leesburg, Va. 20175
Mentioned: 4 Post(s)
Quoted: 541 Post(s)
The battery idiot light on my 88 SEC comes on when the car is turned off, not on when it's running. My brother immediately said on American cars it is almost always a diode gone bad in the alternator, any ideas gentlemen?