Both the large and not-so-large wires at the starter can cause a no-charge, 
no-lights condition.

The battery feed to the large terminal is normally a hefty black cable. The 
less-hefty but still substantial red wire goes back into the loom, feeding the 
entire vehicle, including the ignition switch, charge circuit, etc, etc.

On later W123 models from MY1982 and later there's a terminal strip on the 
inner fender. Presumably the W201 has a similar connector. A problem there 
would also cause a similar failure condition.

D.

On 12/15/12, Craig wrote:
>
>
>On Sat, 15 Dec 2012 08:09:14 -0800 David Bruckmann
><bruckma...@transcontinental.ca> wrote:
>
>> Path is normally:
>> 
>> Battery => small starter terminal => ignition switch => charge light =>
>> alternator exciter terminal
>
>I would say the path, rather, is:
>
>
>            large                        starter      small
>Battery => starter => ignition switch => lock-out => starter
>           terminal           |           switch     terminal
>                              |
>                              |
>                              | => charge light => alternator
>                                                    exciter
>                                                    terminal
>
>
>> Add in a bunch of relays and connectors in between, natch. 
>
>And, possibly, a fuse between the battery and the ignition switch
>
>
>> In other words check the connections at the starter.
>
>Yes, if the connection at the large terminal of the starter were bad,
>the ignition switch would get no power.
>
>
>Craig


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