Electr ical Wiring DiagramType 911 T, 911 E, 911 S1 Battery2 Starter3 Alternator4 Governor5 Ignition distributor6 Ignition transformer7 Spark plugs8 Gasoline pump9 BHKZ unit10 Intermediate unit11 Speed switch (only E and S)12 Electromagnetic control valve13 Lifting magnet (stop) (only E

and S; on 911 T USA solenoid valve)

14 Temperature time switch15 Microswitch (E and S only)17 Headlamps18 Blinker, clearance and side

marker lamps (side marker lamps USA only)

19 Tail, brake, blinker, side marker and backup lamps (side marker lamps USA only)

20 Fog lamp (optional)21 License plate lamp22 Trunk lamp23 Interior lamp24 Glovebox lamp25 Ashtray lamp30 Blinker, dimming, headlamp

flasher, wiper washer switch with signal button in steering wheel

31 Steering ignition starter switch32 Light switch33 Warning light switch (not

applicable in Italy)34 Fan and separate heater switch35 Rear window heater switch

FUSES:Fusebox I1 Interior light, time clock, trunk

light2 Warning light3 (Window lifter)4 Cigarette lighter5 (Slide roof)6 Windshield wiper, washer

pump7 Fresh air fan8 Brake, blinker, backup lights9 Blinker light front left10 Blinker light front right

36 Door contact switch37 Switch for trunk room light38 Hand brake contact39 Brake light switch40 Brake warning switch (USA only)41 Backup light switch42 Switch for glovebox light43 In terva l swi tch44 Wiper follow-up switch45 Buzzer contact (USA only)48 Direction warning blinker

indicator49 Horn relay50 Headlight flasher changeover

relay51 Rear window heater relay52 Auxiliary starting relay53 Buzzer (USA only)56 Oil temperature indicator57 Oil pressure indicator58 Oil level indicator59 Indicator for fuel gauge65 Small combination instrument66 Large combination instrument67 Transistor revolution counter68 Speedometer69 Electric time clock73 Wiper motor74 Washer pump75 Fanfare horn77 Cigarette lighter78 Fuse box 110-pole79 Fuse box II 8-pole80 Fuse box III 3-pole81 Fan motor82 Heated pane84 Plug connection 14-pole85 Plug-connection 6-pole86 Plug-connection 4-pole87 Plug-connection 1-pole89 Ground connection - body

Fusebox II1 High beam left2 High beam right3 Dimmer left4 Dimmer right5 Clearance light left6 Clearance light right7 License plate light8 (Fog lights)

Fusebox III1 (Sportomatic)2 Stop magnet, solenoid valve,

starting valve3 Rear window heater

CAUTION!Disconnection of battery with the engine running will result in immediate destruction of alternator.

SL 35