check the blue wire on the alternator sub harness [fits between alternator and cars harness] as its prone to get corroded and break
xymin
January 2011
If you replace the alternator and the light still comes on but the van is still charging at 14.5v it is most likely the ECU as the van has a smart charge system which is monitered and controlled by the ECU.
Maat
March 2009
assuming tick over not to slow, alternator brushes are approaching there wear limit may be able to get a replacement brush set. if not its a replacement alternator job
wirecutterman
March 2009
I can answer this question...
alternator light intermittant on transit connect 2004 1.8 deisel swb?
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