Porsche 928 Workshop Manual page 482

27
starter,
Power Supply, Tempostat
928
CHECKING MULTIPLE PIN PLUG OF CONTROL WITH A VOLTMETER OR TEST LAMP
1. Turn on ignition.
Connect tester between terminals 5 and 12
(ground).
4. Connect tester between terminals 9 and 12.
Display = 0 volt.
Push lever on tempostat switch forward (set).
Display = battery voltage.
5. Connect tester between terminals 10 and 12.
Display = 0 volt.
Push down lever on tempostat switch (repeat).
a
There should be battery voltage at terminal 5.
2. Connect tester between terminals 6 and 12.
There should be battery voltage when operating
the brake.
3. Connect tester between terminals 8 and 12.
Display = battery voltage.
Pull back lever on tempostat switch (cancell.
Display = 0 volt.
27-12 Checking Multiple Pin Plug of Control with Voltmeter or Test Lamp
Printed in Germany