Get yourself about 15 feet of 00 dga. wire and jump the pos battery terminal to the starter. Crank and verify that the problem is solved.  If so, then properly install the wire, replacing the original.  Worked for me!!

Karl Wolz
Sent from my electronic umbilicus

On Apr 13, 2012, at 2:32 PM, "Chris S." <szpejankowski@GMAIL.COM> wrote:

> I have been in the same boat for the last 8 years with my 84 Westy. I cleaned all grounds, battery cables and so on, with no effect. At this point I am ready to install a second power cable from alternator to starter solenoid hoping it will give more current. 
> 
> Chris.
> 
> Wysłane z iPhone'a
> 
> Dnia Apr 13, 2012 o godz. 16:44 Ken Olsen <648.ken@GMAIL.COM> napisał(a):
> 
>> I'm pretty baffled. My 85' Westfalia waterboxer has been turning over
>> slowly since I bought it several years ago, but it has finally got to the
>> point of stranding me. It is behaving like a low battery, but I think I
>> have ruled that out.
>> 
>> Symptoms:
>> Turns over very slowly, sometimes stopping (or catching?)
>> Runs fine when started.
>> Battery voltage looks good. Jumping doesn't help.
>> Voltage at starter matches battery.
>> Turns over slowly with:
>>   - spark plugs removed.
>>   - fresh battery jumpered directly to starter.
>>   - WITH NEW STARTER INSTALLED!
>> 
>> What am I missing?
>> 
>> Thanks,
>> 
>> Ken in Oregon.