On my '85 1.9 (Digijet)... one of the wires from the pressure switch on
the power steering pump goes to ground and is attached to one of the
"Through" bolts on the alternator.

Mike

mark drillock wrote:
> Don't connect either PS switch lead to ground. That is not how it works,
> at least not on 2.1 models. Doing that could short out the power lead
> from the ECU relay. The way the PS switch works is it has one lead that
> gets power from the ECU relay whenever the key is on and the other lead
> sends a signal to the ICU relay. Neither lead is ground. There is no tan
> or brown wire to the PS switch in any case. They may look tan from dirt
> and age but early years had 2 white wires while later years had wires
> with stripes.
>
> Mark
>
> Frank Condelli wrote:
>
>> In a message dated 16/12/2005 6:43:42 P.M. Eastern Standard Time,
>> LISTSERV@GERRY.VANAGON.COM writes:
>>
>> Where  does the tan ground to on the alternator?
>>
>>
>>
>> Chris, the tan wire from the harness to the  alternator does not go to
>> the
>> alternator.  It goes to the power steering  pump sensor switch.  That
>> sensor has
>> two contacts.  One contact, does  not matter which one, is for that
>> wire from
>> the harness, the other contact is  for another tan wire which goes to the
>> alternator body on one of the small studs  around the perimeter
>> usually the one
>> closest to the switch and also has the  receptacle for the flywheel
>> timing
>> indicator, that no one uses, bolted to  it.  That is the ground source
>> for the
>> power steering pump switch.....
>>
>