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Fuses and relays
A failure in the electrical system may be
caused by a blown fuse or a faulty relay.
The central fuse/relay board is located in the
passenger's footwell and protected by a
cover plate. The light for the board comes on
when a door is opened.
The use of the fuses and relays is shown
in a list on the floor board.
Before replacing a fuse, turn off all elec-
trical components and the ignition; re-
move the key. Replacing a fuse or a relay
with the engine running or the ignition on
could cause electrical shock.
When replacing a fuse, do not hold fuse
by its metal parts. In case of a repeated
short circuit, the new fuse will burn out
again, causing possible injury.
If a fuse blows repeatedly, do not keep on
replacing it. The cause of the short circuit or
overload must be found.
Never try to "repair" fuses: you may
cause serious damage to other parts of
the electrical system.
To replace a fuse...
1. Lift carpet in the passenger's footwell and
tilt up the protective cover' plate from
fuse/relay board.
2. In a blown fuse, the metal strip has
melted. In order to replace the fuse, it
must be pulled out. The tool for doing this
is located at the top left on the central
electrical system. If there is doubt, or, for
example, in the dark, the fuse can be
tested by inserting it at the test point on
relay XVI. If the fuse is defective, the diode
in the relay does not light up.
3. Carefully install new fuse. Use only fuses
with the same rating as replacements!
4. Replace cover plate and carpeting.
It is advisable to always carry a few spare
fuses in the car.
Relays
Under the fuses, there are relay boards at-
tached for various electrical switching func-
tions. Testing and replacement of a defective
relay should only be done by an authorized
Porsche dealer.
The relay for the rear window wiper is located
on the back left, under the tool plate, the
time relay for the seat heater is located under
the seat.
If you need a circuit diagram, your
Porsche dealer will be glad to help you.
However, in order to avoid damage to
electrical or electronical components, we
recommend having all work, including the
installation of electrical accessories,
done by your Porsche dealer.
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