Porsche 1972 911 Workshop Manual page 934

9
911
E l e c t r i c a l A c c e s s o r i e s
3. Set off alarm by opening a door. Leave system
turned on and close door again. The alarm must
last about 30 seconds.
Don' t turn off alarm system.
When opening door again, alarm should also be
set off again.
Turn on ignition after alarm has stopped. Lamp
4.
should flash.
Start engine. Engine should not run.
5. Disconnect test l a m p and connect two-pin plug
on control unit.
Install control unit.
Check function of alarm horn by setting off alarm
system once again.
Replace alarm control unit if functions are not
fulfilled.
N o t e
Even wirh the alarm system turned off a defect in the
control unit could cause failure of the fuel pump
under certain circumstances.
If a new control unit were not immediately available,
help could be provided by the following measure.
Remove alarm control unit and pull off eight-pin
plug. Bridge both terminals 6 1 on plug wirh a piece of
wire. This will eliminate function of the alarm
system.