That doesn't necessarily mean that you have the same problem I did. I believe a bad fusible link or ground could also cause a charging problem even with a good alternator but lets assume it is the same.

It's the light that look like a battery. Easy to diagnose this one.

1. Do you have an instrument cluster attached?
2. Does the light come on when you first turn the key?
3. If not, the bulb inside could be out/gone and is likely the problem
4. If it does, does it go out after the engine is started?
5. If not, why haven't you noticed

__________________
1999 210 e300
1995 SL320
2006 E320CDI
previous
1985 126 300SD
1982 123 300TD
1995 140 s600
1969 gto cabriolet
some VW tdi's
1990s saab 9000 aeros
1991 celica GT4 st185
lots GM