Page 21
Earth connections 31
Components connected
Earthing point 7 is located below the radiator, on the
right-hand side of the radiator cross-member. The
following components are connected (by means of
screw terminals) to this earthing point. Some of the
components listed below are fitted only to cars of
certain versions or for certain markets.
Negative distribution terminal 158 in the electrical
distribution box is also connected to earthing point
Ts
Connections marked with "A” apply to cars without
integrated bumpers.
411 Headlamp full beam
12 Headlamp dipped beam
13 Parking lights
26 Time-delay relay for the radiator fan
28 Direction indicator lamp, right-hand front
37 Radiator fan motor (across 2-pole connec-
tor 59 at the radiator)
63 Washer motor
66 Headlamp wiper motor (across 3-pole con-
nector 57 in the engine compartment at the
corresponding motor)
85 Extra fog lamps
118 Corner lights
119 Side reversing light (RH)
130 Coolant temperature switch
138 Engine speed relay (Turbo with manual gear-
box only)
158 Negative distribution terminal
172 Radiator fan for the AC (across 2-pole con-
nector 59 at the radiator fan motor)
179 Solenoid valve for the APC system
234 Side marker lights (RH)
Cars with 8-valve engine for the U.S.A., Canada and
Japan
104 Hot start relay
105 Engine speed relay
106 Time-delay relay
Saab 900
Page 22
32 =~ Earth connections
Earthing point 9
191 SV 0.75 Ls sy 46
SY 101 (US, CA, JP, ME, FE, AU)
262A
SV 1.5
262 SV.25 oy 262 SV. 25 103
1890 SV _1.0 14, 30, 32 (LHS)
27 (LHR)
189E SV 1.0 14, 30, 32 (RHS)
28 (RHR)
US, CA
109
2A SV_25 eS 2A SV 2.5 an Sv. 0.78 144, 30/33 (RHS)
2-D, 4-D
189 SV 1.0 14, 14, 30, 30/33, 32 (LHS)
a (LHR)
189
SV 1.5
14, 14, 30, 30/33, 32 (RHS)
28 (RHR)
/779
Saab 900
Page 23
Earth connections 33
r) Components connected
Earthing point 9 is located under the spare wheel
hatch in the luggage compartment, at the extreme
rear on the centre member. The following compo-
nents are connected (by means of screw terminals) to
this earthing point. Some of the components listed
below are fitted only to cars of certain versions or for
certain markets. =
46 Fuel level transmitter (across 3-pole con-
nector 57, under the luggage compartment
floor, beside the transmitter)
101 Fuel feed pump (across 2-pole connector 59
under the luggage compartment floor)
103 Fuel pump (across 2-pole connector 59 un-
der the luggage compartment floor)
177 Control unit for the APC system
F 3-D, 5-D
The tailgate lighting is earthed to the tailgate which,
in turn, is earthed to earthing point 9 across cable
211A SV 2.5 (across 3-pole connector 57 in the
/ luggage compartment, at the left-hand air outlet).
14 Rear lights
15 Number plate illumination
27 Direction indicator lamps, left-hand
28 Direction indicator lamps, right-hand
30 Brake lamps
32 Reversing lamps
33 Rear fog lights
109 High-level brake light (across single-pole
connector 60 in the tailgate, at the left-hand
rear light cluster)
2-D, 4-D
14 Rear lights
27 Direction indicator lamps, left-hand
28 Direction indicator lamps, right-hand
30 Brake lamps
32 Reversing lamps
33 Rear fog lights
Saab 900
Page 24
OT C—O
34 Earth connections
Earthing point 65
833 SV 05 853. 5V 3.5 60 S¥V_0.5 208D
852 Sv 0.5 ey 852 Sv OS Ane SV.0.5 208P
824 SV_1.0 3 306
122 SV 05
804 SV _0.75
pa or ke 307
122 Sv O05 )
a0B SV 0.75
pn ae Saale
SV 0.75
122 “|
817 5V 05
50K Sv 0.75 ps0ee 4
1 SV.075 >
83) SV O05 rt 4
SV 0.75 308F
B19 SV 25 874 3110 i
829 SV 2.5 B74 311P
of Balen 54 2P
th 65
Earthing point 93
148 Sv 05 13, 118 (LHS)
1484 SV 05 13 ey A
27 (LHF)
597 Sv 05 2} 26 (US, CA, JP, ME, FE, AU)
148A SV_0.5 27 (LHF) '
234 (LHS)
1488 SV 0.5 119 (LHS)
648A SV 0.75 123
S19) 145 (116, 116A) i
393 SV1.5 Sa
les, ie. 16a, Ta,
TSA, 116, TIGA}
392 SV 0.5
391 BR OS |
a |
| “a = 146 (M87:116, 116)
oe 177 (18, TBA, T16, T16d)
177 93
Saab 900
Page 25
Earth connections 35
Components connected
Earthing point 65 is located under the back seat, in
the centre. The components for the passive seat
belts are connected to this earthing point.
208D Door lock, reed switch, driver's door
208P Door lock, reed switch, co-driver's door
306 Logic box for passive seat belts
307D Belt reel for passive seat belts, driver’s side
307P Belt reel for passive seat belts, co-driver’s
side
308D Motor with limit switches for passive seat
belts, driver's side
308P Motor with limit switches for passive seat
belts, (co-driver’s side)
311D Motor relay for passive seat belts, driver's
side
311P Motor relay for passive seat belts, co-
driver's side
312D Motor relay for passive seat belts, driver's
side
312P Motor relay for passive seat belts, co-
driver's side
Earthing point 93 is located at the left-hand wheel
housing, beside the amplifier for the electronic igni-
tion system.
The following components are connected to this
earthing point. Some of the components are only
fitted to cars of certain versions or for certain mar-
kets.
Connections marked with "A" apply to cars without
integrated bumpers.
13
26
27
118
119
145
146
177
234
Parking lights, LHS
Time-delay relay for radiator fan
Direction indicator lamp, LHF
Corner lamp, LHS
Side reversing lamp, LHS
EZK test socket
Amplifier for electronic ignition system
Control unit for APC system
Side marker lights, LHS
Page 26
$ gee
36 Earth connections
Earthing point 117
43 (M87)
168 SV 0.75 | 53
141 SV 1.0 64
254
121
141 SV LO eo 64
59 A )
1416 $v 1.0 Se la
232 SV _0.75 2.82 (US, CA, JP, ME)
(18, T8A, T16, T16d)
556 Sv 0.5 2.151 | (IBA:US, CA) )
, (116\;US, CA, JP, AU)
ASBA SV 15
&
1s
Safe 183
456 SV 55 456K SV_1.5 j 189 =
456C SV 1.5
456E SV 15
ts
sser| p90
sv 1.5L8
4566 SV 15 _
510 SV 1.0 3 175
501 152A 501 7 501 57 ‘
SV 1.0 zed Sv 10 ey BR 1.0 eso.’ 183 (M88: LHD)
592 SV 2.5 al
eT Ga
98
341 SV 15
343 SV_0.75 (MBB) es
267
342 SV 1.5 (Mas)
ra
67? SV 0.75 288 (US, CA, JP)
122
Sa 289 (US, CA, JP)
682 SV/GR 0.75 0 343 M87 (CAB: US)
M88 (CAB-US, CA)
177 117
Saab 900
Page 27
Earth connections 37
Components connected
On the 1987 model, earthing point 117 is located on
the handbrake lever.
On the 1988 model, earthing point 117 is located
between the ignition switch and the handbrake lever,
The front seat must be removed before access can be
gained to the earthing point.
The following components are connected to this
earthing point (the handbrake switch mounting
screw). Some of the components are only fitted to
cars of certain versions or for certain markets.
Connections marked with "A" apply to non-adjust-
able electrically-heated front seats.
43 Handbrake switch
53 Interior lighting switch
57 3-pole connector
64 Heating pad with thermostat (across 2-pole
connector 59 under the corresponding front
seat)
82 Seat belt/ignition switch warning relay
121 Seat switch for the heating pad (across
2-pole connector 59, under the right-hand
front seat)
151 Time-delay relay for the interior lighting
(across 4-pole connector 123 under the
back seat, to the left beside the relay)
152A 29-pole white connector
162 Switch for the driver's door electric window
regulator
163 Switch for the co-driver's door electric win-
dow regulator
175 Electronic unit for the central locking sys-
tem
181 Switch for the electrically operated sunroof
183
189
190
191
252
254
267
289
313
Control unit for the central locking system,
RH drive cars (across the 29-pole white con-
nector in the electrical distribution box and
3-pole connectors 57R in the right-hand
front door and forward of the right-hand
A-pillar, beside the upper hinge)
Switch for the rear-door electric window
regulators
Switch for the left-hand rear electric window
regulator
Switch for the right-hand rear electric win-
dow regulator
Rheostat for the driver's seat heating pad
Temperature sensor for the driver's seat
heating pad
Radio connections
Burglar alarm switch
Burglar alarm connector
Burglar alarm relay (CAB)
Saab 900
Page 28
SLL
38 Earth connections
Negative distribution terminal
3.5V 25 7
13 SV 6.5 85 21
4
v8L_31 447 (87)
90 SV 15 3 62
281 SV 0,75 2 73 |
&t Sv 0.75 B9
62 SV 0.75 90
1 $v 0.75 1104 (18,78: ME,FE) |
410 SV 0.5 2.106 M88 (I8A:SE, EU)
410 SV. OS wu 106
__ #104 | ag (TBA: SE, EU)
OSL 31438 |
212 SV O5 31/85 113
3%6
SV 0.5 Ug
263
Sv OS
= 270 (MAN: US)
410
Sv 0.5] 31102 (18, 18d, T8, TBA)
oe (107 1164,T16A:US,CA) p
sv 05 3156
T1534
Vv OL
$V 0.5 BG 155
314 SV 0.75 $33 314 SV 0.75 123 BR 126
6R
oa M88: US,CA
854 SV 05 To
rhise
Saab 900
Page 29
Earth connections 39
a Components connected
Distribution terminal 158 consists of a ring of flat
pins and is connected to earthing point 7 on the
radiator cross-member by means of cable 3 SV.
The terminal is located on the underside of the elec-
trical distribution box. The following components are
connected to the terminal. Some of the components
listed below are fitted only to cars of certain versions
or for certain markets.
7
21
38
42
62
e 73
89
90
104
106
7) 126
138
147
156
183
207
259
Earthing point on the radiator cross-mem-
ber
Ignition switch relay
Recirculation valve
Brake warning switch
Windscreen wiper motor
Timing service instrument socket
Side direction indicator, left-hand
Side direction indicator, right-hand
Hot start relay
Time-delay relay
Motor for the left-hand electrically operated
rear-view mirror (across 4-pole connectors
123 in the engine compartment at the left-
hand door upper hinge and in the left-hand
front door)
Engine speed relay (Turbo with manual gear-
box only)
Ignition pulse amplifier
Relay for the AC compressor
Control unit for the driver's central door lock
(across 3-pole connectors 57 in the engine
compartment at the left-hand door upper
hinge and in the left-hand front door)
Electrically-heated rear-view mirrors
Reverse-current protection relay (GB)
Cars with 8-valve engine
8
102
104
113
155
270-
Lighting relay
Fuel pump relay
Hot start relay
Relay for the electrically heated rear window
Relay for the AC radiator fan
Shift-up indication relay
Cars with 16-valve engine
8
107
113
155
270
Lighting relay
Relay for extra fog lamps (US, CA). (N.B.
Relay 107 is not earthed at distribution ter-
minal 158. Only the other terminals in this
relay position are used)
Relay for the electrically heated rear window
Relay for the AC radiator fan
Shift-up indication relay
Saab 900
Page 30
40
Earth connections
Earthing point
201
18, T8 IBA, TBA
786 Sv O73 195 iG SY OFS 1 95
268 $v 0.75 2 9¢ 268 sv O7> 296
#99 SV 05 99
352 BA 0.75 Pa |
SSLSVAVT 0.75 St 1 cist
408 Sv Os Zz 203
$35. 5V 075 949 335 5¥ 0.75 212 (AUT: US)
(AUT: ME.FE) Stt_sv o7s eee ton MBB (I8A)
477 201 477 201
M87:116
ze Sv 0.73
451 SV O75
4014 $¥ 95
551 Sv/vI_ 29 1.2001
534 Sv 15 a |
eee |
553 S¥_O75 2202
555 SV/VI_O7S 2203
552 Sy 0.75 +205
i - 201
M87:1164
401A SV 0.5 173 {AC)
_d
=|
|
| |
j |
J S547a Sv OF:
ig ee
553 Sv O75 2202
555 Sv/VT 0.75 2203
352 Sv 0.75 *~205
651 Sv 0.75 261 (MAN: US)
5 $v 0.75 271
th 201
T16 T16A
Lite sy 075 tgs AA SY 05 173 (AC)
pene O28 430 (ME, FE) 566 Sv oO} ocr |
PALSY 07S 449 (ac) <6 1 |
[soa v.03 473 (ac) ey di ae
oF a i. -+ 22 Sv /vT 25 25 |
POTS a ae 200} S\4 SV 15 "
Lsssvitzs I. |
$34 $¥ 15 n | |
ee |
rl
T0752
ee ented ine 252 5v 979 2 999
555 Sv /¥T 9.25 z 203
7 201 552 Sv O75 s 205
po! $V 075 __ 261 (MAN: US)
S71 $v or e8, cas 271
477 201
| 20s sv 07s
+r $¥ O75
| __s0ta $v 9.9
S49A SV O75
5
551 $v /Vt_ 25 rs 200]
534 Sv 15 —" ‘id
553 $v O75 £202
555 Sv/vt 075 £203
552 Sv 0.25 +205
648 Sv 45 2320
177 201
M88:1164
40ta S¥ _O5 173 (AC)
|
|_ S51 Sv /vt 2.5 —iy |
534 SV 15 —Iis I
S47 Sv 075 | I
57 ! 200!
322 L-4
$53 Sv O75 4202
|__555_Sv/vT 0.75 2203
392 SV 0.75 +205
63) SV 0.75 261 (MAN: US)
571 sv 0.75 271
| 648 Sv 15 £320
th 201
Saab 900