light one. The two heavy ones are tied together at the starter solenoid where the battery connects and, according to the diagram(Haynes manual) of the alternator, they are also tied together inside the alternator. The small wire continues thru the firewall and maybe goes to/comes from the charge light. Is this light gauge wire supplying the alternator field current? Someone clear this up for me please.

Jim

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Jim

'49 170?(donated to church in Darmstadt '58)
'58 220S(crusher, after '73 fire[San Antonio])
'72 280SE 4.5
'77 240D
'81 300SD
'83 240D parts car