Terminal designations in accordance with DIN 72552 1 Ignition coil ...

VW Tech -- Electrical -- Terminal Designations 

Side 1 af 5 

Terminal designations in accordance with DIN 72552 

1 Ignition coil, ignition distributor, low voltage 

1a 

1b 

Ignition distributor with two separate electrical circuits 

to ignition breaker point I 

to ignition breaker point II 

2 Short-circuit terminal (magnito ignition) 

4 Ignition coil, ignition distributor, high voltage 

Ignition distributor with two separate electrical circuits 

4a from ignition coil I, terminal 4 

4b from ignition coil II, terminal 4 

15 Plus downstream of battery [output of ignition switch] 

15a 

Output at dropping resistor to ignition coil and starter 

Glow plug and starter switch 

17 Start 

19 Preheat 

30 Input from positive battery terminal, direct 

30a 

Series-parallel switch, 12/24V 

Input from positive battery terminal, direct 

31 Return line to negative battery terminal or ground, direct 

31b 

Return line to negative battery terminal or ground via switch or 

relay 

Series-parallel battery switch 12/24V 

32 Return line (1) 

33 Main terminal connection (1) 

33a 

33b 

33f 

33g 

33h 

33L 

33R 

Self-parking switch off 

Shunt field 

For second lower-speed range 

For third lower-speed range 

For fourth lower-speed range 

Counterclockwise rotation 

Clockwise rotation 

(1) Polarity reversal at terminals 32/33 possible. 

Starter 

http://www.equipment.ath.cx/instrument_pdf/DIN72552%20en.htm 

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21/12/2006


Side 2 af 5 

45 

45a 

45b 

48 

separate starter relay, output; 

starter: input (main current) 

Two-starter parallel operation, starting relay for engagement current 

Output, starter I, input starters I and II 

Output, starter II 

Terminal on starter and on start-repeating relay for monitoring 

starting procedure 

Turn-signal flasher (pulse generator) 

49 Input 

49a Output 

49b Output of second turn-signal circuit 

49c Output of third turn-signal circuit 

50 Starter control (direct) 

50a 

50b 

50c 

50d 

50e 

50f 

50g 

50h 

Series-parallel battery switch output for starter control 

Starter control, parallel operation of two starters with sequential 

control 

Starting relay for sequential control of the engagement current 

furing parallel operation of two starters 

Input at starting relay for starter I 

Input at starting relay for starter II 

Start-locking relay 

Input 

Output 

Start-repeating relay 

Input 

Output 

Alternator 

51 DC voltage at rectifier 

51e DC voltage at rectifier with choke coil for daytime driving 

Trailer signals 

52 Additional signals from trailer to towing vehicle 

53 Wiper motor, input (+) 

53a Wiper (+), self-parking switch off 

53b Wiper (shunt winding) 

53c Electric windshield-washer pump 

53e Wiper (brake winding) 



21/12/2006


Side 3 af 5 

53i 

Wiper motor with permanent magnet and third brush (for higher 

speed) 

Trailer signals 

54 Trailer plug connections and lighting combinations, brake light 

54g Pneumatic valve for continuous brake in trailer, solenoid-operated 

55 Fog lights 

56 Headlights 

56a High-beam light and high-beam indicator light 

56b Low-beam light 

56d Headlight flasher contact 

57 

57a 

57L 

57R 

58 

58b 

58c 

58d 

58L 

58R 

Side-marker light for motorcycles and mopeds (abroad also for 

passenger cars, trucks, etc.) 

Parking lights 

Parking light, left 

Parking light, right 

Side-marker lights, taillights, license plate lights and instrument 

panel lights 

Taillight changeover for two-wheel tractors 

Trailer plug and receptacle assembly for single-conductor taillight 

cable with fuse in trailer 

Variable-intensity instrument panel light, taillight and side marker 

light, 

Left 

Right, license-plate light 

Alternator (magneto generator) 

59 AC voltage, output, rectifier, input 

59a Charging armature, output 

59b Taillight armature, output 

59c Brake-light armature, output 

61 Charge-warning light 

Tone-sequence control device 

71 Input 

71a Output to horns 1 & 2 low 

71b Output to horns 1 & 2 high 

72 Alarm switch (revolving emergency light) 

75 Radio, cigarette lighter 

76 Loudspeaker 



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Side 4 af 5 

77 door valve control 

Switch 

Normally closed and changeover switches 

81 Input 

81a First output, break side 

81b Second output, break side 

Normally-open switch 

82 Input 

82a First output 

82b Second output 

82z First input 

82y Second input 

Multi-position switch 

83 Input 

83a Output, position 1 

83b Output, position 2 

83L Output, left-hand position 

83R Output, right-hand position 

Current relay 

84 Input, actuator and relay contact 

84a Output, actuator 

84b Output, relay contact 

Switching relay 

85 Output, actuator (negative winding and/or ground) 

86 Start of winding 

86a Start of winding or first winding 

86b Winding tap or second winding 

Relay contact for break and changeover contacts 

87 Input 

87a First output (break side) 

87b Second output 

87c Third output 

87z First input 

87y Second input 

87x Third input 

Relay contact for make contact 

88 Input 

88a 

88b 

88c 

Relay contact for make and changeover contacts (make side) 

First output 

Second output 

Third output 



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Side 5 af 5 

88z 

88y 

88x 

Relay contact for make contact 

First input 

Second input 

Third input 

Generator and generator regulator 

B+ Battery positive 

B- Battery negative 

D+ Dynamo positive 

D- Dynamo negative 

DF Dynamo field 

DF1 Dynamo field 1 

DF2 Dynamo field 2 

U, V, 

W 

C 

C0 

C2 

C3 

L 

R 

Three-phase alternator terminals 

Directional signals (turn-signal flasher) 

First indicator light 

Main terminal connection for indicator light seperate from turnsignal 

flasher 

Second indicator light 

Third indicator light (e.g. when towing two trailers) 

Turn-signal lights, left 

Turn-signal lights, right 



21/12/2006

Terminal designations in accordance with DIN 72552 1 Ignition coil ...

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