GU~LER & ~MITH, INC.
-., 1~1-lt·J Service School
(
…,
\
·J’ 1-=:: :.-rn in al
1
2
15
30
31
51
54
56
56a
. 56b
57
58
61
D+
DF(F)
B+
No.
ROBERT BOSCH TERMINAL CODE SYSTEM
(BMW MOTORCYCLE APPLICATION)
Application
Igrtition – primary (contact breaker – coil)
Ignition switch – ground (magneto ignition}
Positive, primary (ignition coil}
Positive from battery
Negative (return to battery neg. or ground)
Positive to light switch
Brake stop light – directional signal light
Lights, speedometer
..
High beam
Low· beam
Parking light
Lights (accessory, sidecar, rear)
Indicator charge light
Positive – generator output (armature)
Generator field·
Battery (positive) on regulator
\,.
.,
-i-·
v
,a
….
Ii¥~\+:•-;;,,~: nt~-~-,… . ‘ • . . . ‘
u:~!, _··: fi’ft
;<~~~;~~: . ff:~-~~!!
,."·1·;
i~!{J
,• ; .. ~
··!
_.:· ....
Use of R27 volt-a,g·e reguLLt:o:~
This type of regulator is to
wiring provided as follows:
0,1 c:ad. i.c:.r _ single cy_\fhder machines.
h3 ,;scc ..: ;:r,:rl to th-a chassis and
Regulator
D+
DP
30/51
31
tu
to
to
to
Note on R25 and R26 gene:·ator3 th2
with the field winding. Th0 thi~d
parallel to the DP termi1tal.
l
Rll
~
·.·: ~ .. -I
: .. ~~ ..... .i .., -1 :- •
.::;_;;:~5 4{f1~;.fr.i t~!
"{!
Generator
61
15
51
Blue
Black-Red
Red
Ground.
£iel1 :·esista~ce is in
wi.re L; conne ;ted in
'. ~-
~-....
- --~-r.. : .:._. .._ ..,.,-..
~·\·./{if.~•-.
_.. _ € :1·1\;".. ,
About the Service Bulletin Archive
Searchable index of BMW service bulletins for repair and parts installation for a variety of 247 models. This is not an exhaustive list. If you have ones to share to help complete the archive, please contact us directly.