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DIN 72552
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DIN 72552 is a DIN standard for Automobile electric terminal numbers, standardizing almost every contact in an automobile with a number code.
This table gives most frequently used numbers.
Contact | Meaning |
---|---|
Ignition system | |
1 | coil, distributor, low voltage |
1a, 1b | distributor with two separate circuits |
2 | breaker points magneto ignition |
4 | coil, distributor, high voltage |
4a, 4b | distributor with two separate circuits, high voltage |
7 | terminal on ballast resistor, to distributor |
15 | battery+ from ignition switch |
15a | from ballast resistor to coil and starter motor |
preheat (diesel engines) | |
15 | preheat in |
17 | start |
19 | preheat (glow) |
50 | starter control |
Battery | |
15 | battery+ through ignition switch |
30 | from battery+ direct |
30a | from 2nd battery and 12/24 V relay |
31 | return to battery- or direct to ground |
31a | return to battery- 12/24 V relay |
31b | return to battery- or ground through switch |
31c | return to battery- 12/24 V relay |
Electric motors | |
32 | return |
33 | main terminal (swap of 32 and 33 is possible) |
33a | limit |
33b | field |
33f | 2. slow rpm |
33g | 3. slow rpm |
33h | 4. slow rpm |
33L | rotation left |
33R | rotation right |
turn indicators | |
49 | flasher unit in |
49a | flasher unit out, indicator switch in |
49b | out 2. flasher circuit |
49c | out 3. flasher circuit |
C | 1st flasher indicator light |
C2 | 2nd flasher indicator light |
C3 | 3rd flasher indicator light |
L | indicator lights left |
R | indicator lights right |
L54 | lights out, left |
R54 | lights out, right |
AC generator | |
51 | DC at rectifiers |
51e | as 51, with choke coil |
59 | AC out, rectifier in, light switch |
59a | charge, rotor out |
64 | generator control light |
Generator, Generator voltage regulator | |
61 | charge control light |
B+ | Battery + |
B- | Battery - |
D+ | Dynamo + |
D- | Dynamo - |
DF | Dynamo field |
DF1 | Dynamo field 1 |
DF2 | Dynamo field 2 |
U, V, W | AC three phase terminals |
lights | |
54 | brake lights |
55 | fog light |
56 | spot light |
56a | headlight high beam and indicator light |
56b | low beam |
56d | signal flash |
57 | parking lights |
57a | parking lights |
57L | parking lights left |
57R | parking lights right |
58 | licence plate lights, instrument panel |
58d | panel light dimmer |
window wiper/washer | |
53 | wiper motor + in |
53a | limit stop+ |
53b | limit stop field |
53c | washer pump |
53e | stop field |
53i | wiper motor with permanent magnet, third brush for high speed |
acoustic warning | |
71 | beeper in |
71a | beeper out, low |
71b | beeper out, high |
72 | hazard lights switch |
85c | hazard sound on |
switches | |
81 | opener |
81a | 1 out |
81b | 2 out |
82 | lock in |
82a | 1st out |
82b | 2nd out |
82z | 1st in |
82y | 2nd in |
83 | multi position switch, in |
83a | out position 1 |
83b | out position 2 |
Relay | |
85 | relay coil - |
86 | relay coil + |
Relay contacts | |
87 | common contact |
87a | normally closed contact |
87b | normally open contact |
88 | common contact 2 |
88a | normally closed contact 2 |
88b | normally open contact 2 |
additional | |
52 | signal from trailer |
54g | magnetic valves for trailer brakes |
75 | Radio, cigarette lighter |
77 | door valves control |