From: Don Hanson [dhanson@gorge.net]
Sent: Friday, September 15, 2000 8:28 PM
To: 928
Subject: [928] Switch installation

    Hi all,

    I finally got around to mounting an auxilliary battery
switch in my 90 GT and it ended up being fairly easy.  Below
is a breif description of the install.
    I bought a battery cut-off switch from Racer Wholesale,
a simple one with a red removable switch handle.  I will be
needing a master switch accessable from outside the car for
the track, so this will be it, when I finish routing a
removable wire lanyard from the switch to the drivers side
of the rear hatch, and slap on the "lightning bolt" decal,
required to tell corner workers where the switch is.
    I made a right angle bracket from 1/8" aluminum stock,
and bolted that down where the famous battery strap
"wing-bolt" goes.  I then bolted the switch, by one
terminal, to the right angle bracket.  Then you attach the
battery ground strap to the other terminal of the switch.  I
then cut a slot in the "tool tray" that covers the back of
the hatch area so that it will slide down onto/over the
switch without removing the red "Key".  So now just to the
drivers side of the hatch latch, under the 'bulge" in the
tool tray, that switch faces forward and is protected from
most stuff in the trunk by that little bulge in the tool
tray.
    Now, when I have to work on the electrics I just flip
the switch off instead of having to undo the ground strap.
For the track, I clip a lanyard onto the switch.  The
lanyard is routed through metal 1/4" tubing in the spare
tire well and out through the weather strip on the hatch,
and is removed when not on the track.
    Can't believe I never did this long ago.  $12 bucks and
a couple of hours.
    Don Hanson



From: Don Hanson [dhanson@gorge.net]
Sent: Sunday, December 16, 2001 11:50 AM
To: 928
Subject: [928] Battery Cut-off idea(for track cars)928s

    I see that quite a few track cars seem to be under construction this
winter.  For those that are building one, here is a clean way to wire in
the required battery cut-off switch that you'll be needing to race.
    I bought a switch from Racer Wholesale, but they are available in
all the usual cats.  I got the one with the small extra poles for the
alternator, but found that I don't need them on my 90 GT, the engine
stops just fine when you use just the two big positive terminal poles on
the switch.
    I cut a couple of slots(for the wires and switch handle) into the
canister that used to hold the air filter for the air pump/smog pump
deal, right on the back of the radiator bulkhead.  I got a couple of
pre-made battery cables at the local parts house and routed them from
the wiring harness at the jump start terminal(right front fender area)
over to the switch that I mounted in the smog pump air filter can.
    Then I routed a pull wire(I used one with a red T-handle from a fire
system) cable and housing, from the switch in the air filter can,
around the left side of the engine compartment and out at the base of
the drivers side wiper.  It comes right out under the rear of the hood,
without any drilling or anything.  I mounted a bracket onto the wiper
base, holding the "t-handle" pointing up the windshield, just off the
glass.  The wipers clear it and semi-sheild it from curious fingers.
Put on the required decal, and you are good to go.
    Don Hanson