Mark Drillock points out what I missed -- the X terminal also
supplies the headlights directly.

Yrs,
d

At 08:09 PM 11/8/2010  -0500, David Beierl wrote:
>At 03:34 PM 10/11/2010  +0000, J Stewart wrote:
>>OK, the two connectors are marked "P" and "S",
>
>The terminals on a newer switch (starting '85 if you believe the
>Bentley diagrams which I mostly do) are 30 (unswitched B+ source),
>15 (switched B+ output), X (control switch for load reduction relay,
>supplies B+ when switch is in IGN position), 50 (B+ output to
>starter solenoid), P (unused) and SU (door buzzer, seatbelt
>light).  The older switch is missing P but has SU.
>
>p/n 111 905 865 L now specified all years.  That's the one with the
>extra P terminal.  If someone sends me a bum one I'll open it up and
>see if the P and SU terminals are meant to take any significant load.
>
>Yrs,
>David