Porsche 928 Workshop Manual page 379

24
LH-Jetronic
928
a
CENTRAL ELECTRIC POWER SUPPLY FOR LH I ELECTRONIC IGNITION
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1 - Electronic ignition relay VIII (power supply for electronic ignition and LH control
units)
2 - LH-Jetronic relay XVI (power supply for LH control unit and air flow sensor)
3 - Fuel pump relay XVII (power supply for fuel pump, auxiliary air regulator and fuel
injectors)
4 - Fuse no. 13 = fuel pump, auxiliary air regulator
5 - Plug X, red (power supply for electronic ignition/LH)
24
110 Troubleshooting LH-Jetronic Printed in Germany