BMW 1989-1995 525i Service Manual page 429

Mirror triangle speakers, removing and
installing
1. Pry out small plastic cap in lower front corner of speak-
er and remove mounting screw. See Fig. 5.
0011 726
Fig. 5. Door loudspeaker mounting screw (arro w). Pry off plasnc
cover to access screw.
2. Grasp speaker firmly and pull back. releasing it from
the retainer on top.
3. Disconnect speaker wires and remove speaker.
4. Installation is the reverse of removal.
Radio connectors
Tabl e a lists radio connector pinouts for radios installed in
later model vehicles covered by this manual. Early model ve-
hicles (1989-1990) have the various termin als identified right
on the conne ctor. Fig. 6 shows the rear of the radio on 1991
and later cars. Use this along with Table a to identify the vari·
ous terminals.
Term inals 1-17
G - - - -
, -
--~
----
001 1850
Fig. 6. Connector designations on 1991 and later radio. Use togeth-
er with Table a.
RADIO
650-3
Table a. Radio Connector Terminal
Designation 1991 and later
I
Connector Connector
Signal
Term inal
-
1 Speaker. left Iront +
2 Speaker. right front
+
- - -
-
3 Speaker. left rear
+
4 Telephone mute feature
. -
-
5 Positive. Terminal R
6 Front speaker. left
- -
7 I-bus connection
8 Speaker. left front
9
I
Constant positive. Terminal 30
10 Speedo meter signal for speed-
sensitive volume control
I
I
Speaker. right front 11
12
I
Speaker. left rear
13 I Illumination terminal 58G
14
I
Speaker. right rear
15
I
Ground Terminal 31
16
Automatic antenna or window an-
tenna amplifier or premium
sound system amplifier
17 I Not assigned
RADIO SERVICE