Golf/Bora Current Flow Diagram No. 16/1
1.6 litre/74 kW Simos, engine codes AEH,
1.6 litre/74 kW Simos, engine codes AKL,
from May 1999
Fuse colours
For alternatives to relay and fuse positions as well as multi-pin connector wiring - see  Fitting locations
section.
30 A  green
Relay locations on the 13 position additional relay
25 A  white
carrier above the relay plate:
20 A  yellow
15 A  blue
10 A  red
7.5 A  brown
5 A  beige
3 A  lilac
Relay locations on relay plate:
2 X contact relief relay (18), (up to October 1998)
X contact relief relay (100), (from November
1999)
4 Fuel pump relay (409)
97 14163
Note:
The number in brackets behind the part
designation denotes the control number on the
housing.
Edition 05.01
Golf/Bora Current Flow Diagram No. 16/2
Alternator, starter
31
a
A  Battery
9 5/31
B  Starter
C  Alternator
3 2
59
J
C1  Voltage regulator
7/30
D  Ignition/starter switch
b
J59  X contact relief relay
500 502
J226  Starter inhibitor and reversing light relay
88 S163  Fuse -2- (30), in fuse box/battery
/50b
D
16,0 6,0
S176  Fuse -4- (30), in fuse box/battery
ro ro
1,5 2,5 1,0 S177  Fuse -5- (30), in fuse box/battery
ro/sw ro/sw ro/sw
T2e  2-pin connector, near starter (only models
1'
without air conditioner)
T4  4-pin connector, near starter (only models with
A41 J226/6 J226/8
air conditioner)
16,0
2,5 1,0 2,5
sw T6  6-pin connector, brown, in control unit
ro/sw ro/sw ro/sw
protective housing, in plenum chamber, left
5 4 2
1' 500  Screw connection -1- (30), on relay plate
S177 S176 S163
110A 110A 50A
502  Screw connection -1- (30a), on relay plate
137
6/3
T
A41  Positive (+) connection (50), in dash panel
1'1'
wiring harness (up to April 2001)
0,5 16,0 2,5 2,5
bl ro ro/sw ro/sw
D97  Connection (50), in engine compartment wiring
harness
1'
T4/2
D97
T2e/2 A /+ A /+
1'
 Only models with manual gearbox
0,5 35,0 2,5 0,5
bl sw ro/sw ro/sw
   Only models with automatic gearbox
1'1'
  Up to April 2001
1'1'
 Up to August 2000
L B1+ DFM 30 50 41
  From September 2000
G
C
B
ws = white
M
C1
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
1 2 3 4 5 6 7 8 9 10 11 12 13 14
97-29819
Edition 05.01
Golf/Bora Current flow diagram No. 16/3
Simos control unit, ignition system
31 31
a a
D  Ignition/starter switch
J361  Simos control unit, centre in plenum chamber
N152  Ignition transformer
P  Spark plug connector
Q  Flame plug
b
S10  Fuse in relay plate fuse box
S229  Fuse in fuse holder
501
T4a  4-pin connector
D78
T6  6-pin connector, brown, in protective housing
6,0
ro
for connectors, left in plenum chamber
T14a  14-pin connector, in cable channel left in engine
A32 A104
compartment
2,5 6,0 1,5 1,5 1,5 1,5 1,0
T80  80-pin connector
ro ro ro/li sw/li sw/li sw/li ro/li
501  Screw connection -2- (30), on relay plate
T6/4 T14a/8 T6/1
1,5 ro/gn
A2  Positive (+) connection (15), in dash panel
10a 29a T80/1 T80/3
wiring harness
/15
S10 S229 D J361 A32  Positive connection (30), in dash panel wiring
/30
D
15A 15A
harness
T80/71 T80/78
10 29
A98  Positive connection -4-(30), in dash panel wiring
harness
1,5 1,5 2,5 0,5 0,5
ro sw sw gn/br gn/ge
A104  Positive connection -2- (15), in dash panel
wiring harness
D78  Positive connection -1- (30a), in engine
T4a/2 N152 T4a/1 T4a/3
compartment wiring harness
A98 A2
0,5 2,5
sw sw
T4a/4
90 115
2,5
br
P
121
ws = white
Q
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = lilac
ge = yellow
or = orange
15 16 17 18 19 20 21 22 23 24 25 26 27 28
97-25669
Edition 08.99
Golf/Bora Current flow diagram No. 16/4
Simos control unit, coolant temperature sender,
Hall sender
31 31
a a
G2  Coolant temperature sender
G40  Hall sender
G62  Coolant temperature sender
J226  Starter inhibitor and reversing light relay, above
central electrics
J361  Simos control unit, centre in plenum chamber
T10  10-pin connector, orange, in protective housing
for connectors, left in plenum chamber
T14a  14-pin connector, in cable channel left in engine
compartment
T80  80-pin connector
220  Earth connection (sender earth), in engine
wiring harness
608  Earth point, in centre of plenum chamber
J 361
D101  Connection -1-, in engine compartment wiring
harness
T80/2 T80/19 T80/18 T80/62 T80/76 T80/53 T80/22
1'
W  For vehicles with manual gearbox only
2,5 0,5 0,5 0,5 0,5 0,5
0,5 0,5
   For vehicles with automatic gearbox only
br gr/ws gn/ws li/ro li/ge bl
ro/sw ro
128
0,35
1'
li
12
14a/4
T10/1 T10/2 T T10/5
0,35 0,5 0,5
gr/ws li ro/sw
2 3 1
144 51 G62 G2 J226 /6
ws = white
sw = black
1 3 4 2
ro = red
G40
br = brown
0,5 0,5 0,5 0,5 0,5
gn = green
li/ro li/ro br/bl br/bl br/ws
bl = blue
gr = grey
108
li = lilac
D101 220 c
ge = yellow
608
or = orange
29 30 31 32 33 34 35 36 37 38 39 40 41 42
97-25670
Edition 08.99
Golf/Bora Current flow diagram No. 16/5
Simos control unit, throttle vale control part,
engine speed sensor, power steering pressure
31 31
a a
switch
F60  Idling switch
F88  Power assisted steering pressure switch
G28  Engine speed sender
G69  Throttle valve potentiometer
G88  Throttle valve positioner potentiometer
J338  Throttle valve control unit
J361  Simos control unit, centre in plenum chamber
T3  3-pin connector, near intake manifold
T8  8-pin connector
T80  80-pin connector
V60  Throttle valve positioner
220  Earth connection (sender earth), in engine
wiring harness
J 361
T80/14 T80/24 T80/70 T80/66 T80/59 T80/69 T80/75 T80/74 T80/63 T80/56
0,5 0,5 0,5 1,0 1,0 0,5 0,5 0,5 0,5 0,5
gn br br/bl li li/ws ws li/sw li/ge ws ge
0,5
sw
33
0,5
li/ro
T3/1 T3/2 T3/3
T8/1 T8/2 T8/3 T8/5 T8/4 T8/8
2
ws = white
M
sw = black
1
G28
ro = red
F88
T8/7
br = brown
J 338 V60 F60 G69 G88
gn = green
0,5
bl = blue
br/bl
gr = grey
li = lilac
c 220
ge = yellow
or = orange
43 44 45 46 47 48 49 50 51 52 53 54 55 56
97-25671
Edition 08.99
Golf/Bora Current flow diagram No. 16/6
Simos control unit, knock sensor, injectors
31 31
a a
G61  Knock sensor I
J361  Simos control unit, centre in plenum chamber
N30  Injector, cylinder 1
N31  Injector, cylinder 2
N32  Injector, cylinder 3
N33  Injector, cylinder 4
S232  Fuse in fuse holder
T3a  3-pin connector, near intake manifold
T10  10-pin connector, orange, in protective housing
for connectors, left in plenum chamber
T14a  14-pin connector, in cable channel left in engine
T10/7 T10/8 T10/4
compartment
1'1' 1'1' 1'1'1'
T80  80-pin connector
0,5 0,5 0,5
gn bl/ro ws
A101  Connection -3- (87), in dash panel wiring
harness
D95  Connection (injectors), in engine compartment
T80/8 T80/10 T80/11 J361
wiring harness
D102  Connection -2-, in engine compartment wiring
harness
T80/67 T80/68 T80/73 T80/80 T80/58 T80/65
99 1'1'
 Air conditioning system
1,0 0,5 1,0 1,0 1,0 1,0
sw gr li li/gn li/ro li/bl 1'1'1'
 Connection for radiator fan control unit
4,0
bl
32
0,5 0,5
sw bl
S232
10A
32a
T3a/3 T3a/1 T3a/2
1,5
ro/li
A101
N30 N31 N32 N33
2 2 2 2
1,5
ro/li
ws = white
sw = black
1 1 1 1
G61 T14a/5
ro = red
br = brown
gn = green
1,0 1,0 1,0 1,0
1,0
bl = blue
ro/li ro/li ro/li ro/li
ro/li
gr = grey
li = lilac
D102 D95
ge = yellow
or = orange
57 58 59 60 61 62 63 64 65 66 67 68 69 70
97-25672
Edition 08.99
Golf/Bora Current Flow Diagram No. 16/7
Simos control unit, heater element (crankcase
31 31
breather)
a a
J104  ABS/ABS with EDL control unit
J217  Automatic gearbox control unit
J361  Simos control unit, in plenum chamber, centre
N79  Heater element (crankcase breather)
T10w 10-pin connector, white, in protective housing
for connectors, in plenum chamber, left
T25  25-pin connector, on ABS/ABS with EDL
control unit
T47  47-pin connector, ABS with EDL/TCS/ESP
control unit (up to July 2000)
T47a  47-pin connector, ABS/ABS with EDL/TCS/ESP
control unit (from August 2000)
T68  68-pin connector
T80  80-pin connector
114  Earth connection, in automatic gearbox wiring
J 361
harness
608  Earth point, in plenum chamber, centre
T80/29 T80/31
can-l can-h
A121  Connection (high bus), in dash panel wiring
harness
0,5 0,5
or/br or/sw
A122  Connection (low bus), in dash panel wiring
harness
J217 J217
T68/3 T68/25
1'
 Only models with manual gearbox
102
0,5 0,5
J104 J104
   Only models with automatic gearbox
or/br or/sw
T47a/15 T47a/11
T47/20 T47/19
T25/10 T25/11
0,35 0,35 1,0
10w/3 10w/2
T T
or/br or/sw ge/sw
0,5 0,5
ws sw
1
A122 A121 114
N79
ws = white
2
sw = black
0,35 0,35
ro = red
or/br or/sw
2,5 1,0 1,0
br = brown
br/ro br br
gn = green
141 142
bl = blue
1'
gr = grey
li = purple
608 608
ge = yellow
or = orange
71 72 73 74 75 76 77 78 79 80 81 82 83 84
97-28835
Edition 05.01
Golf/Bora Current Flow Diagram No. 16/8
Simos control unit, lambda probe, air mass meter,
31
31
activated charcoal filter system solenoid valve,
a
intake manifold change-over valve, fuel pump relay
16/85 21/31 17/30
G39  Lambda probe
4
J17
G70  Air mass meter
20 18/C 22/50 24/TK 19/86 23/87
J17  Fuel pump relay
d
J234  Airbag control unit, behind lower console
S3/6 S3/4 S3/5 S3/2 S3/1 S3/3 S2/5
J361  Simos control unit, in plenum chamber, centre
0,5
0,5 1,5 0,5 0,5
N80  Activated charcoal filter system solenoid valve
li/ws
li/ws ro/sw br/ge sw
1
N156  Intake manifold change-over valve
A27 e
A125 9 140 20
T4b  4-pin connector, near catalyst
f
T6  6-pin connector, brown, in control unit
0,35 bl/ws 0,35 gn/br
0,5
protective housing, in plenum chamber, left
li/ws
T6/2 T10/6 T10/9
T10  10-pin connector, orange, in protective housing
for connectors, in plenum chamber, left
0,5 0,5
J234
bl/ws gn/br
T75/72
T75  75-pin connector
T80  80-pin connector
T80/4 J361 T80/20 T80/6
A27  Connection (speed signal), in dash panel wiring
harness
T80/25 T80/26 T80/27 T80/13 T80/12 T80/9 T80/15 T80/64
A125  Connection (crash signal), in dash panel wiring
1,0 1,0 1,0 1,0 1,0 1,0 1,0 0,5
harness
br sw br/sw bl br/bl li/gn li/ro ro/ge
E30  Connection (87a), in engine wiring harness
  Up to April 2001
4b/3
T T4b/4 T4b/2
1,0 1,0 1,0
gr sw ws
1 2 4
2 2
N80 N156
ws = white
3 1 1
sw = black
G39 G70
ro = red
1,0 ws 1,0 1,5 1,0
bl/ge bl/ge ge/sw br = brown
gn = green
T4b/1
bl = blue
1,5 bl/ro 101 gr = grey
li = purple
E30 g
ge = yellow
or = orange
85 86 87 88 89 90 91 92 93 94 95 96 97 98
97-29820
Edition 05.01
Golf/Bora Current Flow Diagram No. 16/9
Fuel pump, fuel gauge sender, coolant shortage
31
indicator sender
G  Fuel gauge sender
G6  Fuel pump
G32  Coolant shortage indicator sender
S228  Fuse 28 in fuse box
d
S234  Fuse 34 in fuse box
S1/1
504
S243  Fuse 43 in fuse box
1'1'1'
T6  6-pin connector, brown, in control unit
4,0 2,5 0,5
protective housing, in plenum chamber, left
bl br br
T14a  14-pin connector, in cable channel left in engine
e e
compartment
f
f
h
i
A99
42  Earth point, next to steering column
j
4,0 4,0 4,0 4,0 0,35 0,35
129 0,35
81  Earth connection -1-, in dash panel wiring
bl bl bl bl li/sw br/ws
li/ro
harness
135  Earth connection -2-, in dash panel wiring
43 34 28
harness
S243 S234 S228
64 146 151
269  Earth connection (sender earth) -1-, in dash
10A 10A 15A
panel wiring harness
43a 34a 28a
504  Screw connection -1- (87F), on relay plate
2,5 1,0 1,5 0,35 0,35
bl/ge ge/sw bl/ro br/ws br/ws
A99  Connection -1- (87), in dash panel wiring
harness
A100 269
A100  Connection -2- (87), in dash panel wiring
1,0 1,0 0,5 1,0 0,5
harness
ge/sw ge/sw br/ws br/ws br/ws
E30  Connection (87a), in engine wiring harness
1'1'1'
 From May 2000
6/5 14a/ 6/6
T T T T14a/9
6
  Up to April 2000
1,5 1,0 1,0 0,5
bl/ge ge/sw ge/sw br/ws
1 3 1
97 83 M 39
G6 G G32
ws = white
4 2 2
sw = black
ro = red
br = brown
1'1'1'
gn = green
135 81
bl = blue
1,5 1,5 4,0 4,0
gr = grey
br br br br
li = purple
131
g E30
42
ge = yellow
or = orange
99 100 101 102 103 104 105 106 107 108 109 110 111 112
97-29763
Edition 05.01
Golf/Bora Current Flow Diagram No. 16/10
Dash panel insert, oil pressure warning, oil level/oil
temperature sender, speedometer sender, coolant
temperature/coolant shortage warning lamp
F1  Oil pressure switch
G22  Speedometer sender (Hall sender, on gearbox)
G266  Oil level/oil temperature sender1'
J285  Control unit with display in dash panel insert
K3  Oil pressure warning lamp
K28  Coolant temperature/coolant shortage warning
lamp
K38  Oil level warning lamp1'
e e
f f S5  Fuse in fuse box
h h
S7  Fuse in fuse box
i
T14a  14-pin connector, in cable channel left in engine
j
compartment
22
T32  32-pin connector, blue
T32a  32-pin connector, green
0,35 2,5 0,35 0,35 0,35 0,35 0,35 0,35
br/bl sw gn gn/sw gn br/bl li/ro br/ws
85  Earth connection -1-, in engine compartment
T14a/12 T14a/3 T14a/
wiring harness
1
608  Earth point, in plenum chamber, centre
T32/10 T32/28 T32a/18 T32/22 T32/7
5 7
A20  Connection (15a), in dash panel wiring harness
S5 S7
7.5A 10A
B163  Positive (+) connection -1- (15), in interior
5a 7a
wiring harness
J285
0,5 0,5 1,0 0,5 0,5
1'
br/bl sw/bl sw/gn ws/bl gn/sw
 Only with flexible service interval display
A20 B163
K3 K38 K28
T14a/11 T14a/
2
1,0 ge/sw 1,0 sw/ws
3 1 1 2
F1
ws = white
23
2 3
sw = black
G266 G22
ro = red
br = brown
1,0 1,0 2,5 2,5
gn = green
br br br br
T14a/7
bl = blue
gr = grey
li = purple
85
608
ge = yellow
or = orange
113 114 115 116 117 118 119 120 121 122 123 124 125 126
97-25676
Edition 05.01
Golf/Bora Current Flow Diagram No. 16/11
Dash panel insert, coolant temperature gauge, fuel
gauge, rev. counter, speedometer, alternator
warning lamp
G1  Fuel gauge
G3  Coolant temperature gauge
G5  Rev. counter
G21  Speedometer
H3  Warning buzzer
J285  Control unit with display in dash panel insert
K2  Alternator warning lamp
K105  Reserve fuel warning lamp
e A27 89
f T12a  12-pin connector, connection for Climatronic
h
0,35 0,35 0,35 0,5 only
gn/br bl/ws bl/ws br/ge
T32  32-pin connector, blue
39 1' 2 A13
T12a/10
42  Earth point, next to steering column
0,35 0,35 0,35 0,35
49  Earth point, on steering column
li li/sw bl br/ge
135  Earth connection -2-, in dash panel wiring
harness
A13  Connection (door contact switch), in dash panel
T32/8 T32/5 T32/11 T32/3 T32/12 T32/21
wiring harness
A27  Connection (speed signal), in dash panel wiring
K2
G3 G1 harness
J285
1'
 Engine speed signal from engine control unit
1'1'1'
 From May 2000
105
K H3
G5 G21
110
1'1'1'
2,5
br
ws = white
sw = black
ro = red
135
br = brown
1'1'1' 1'1'1' 1'1'1'
gn = green
1,5 1,5 4,0
bl = blue
br br br
gr = grey
li = purple
49 103 42
ge = yellow
or = orange
127 128 129 130 131 132 133 134 135 136 137 138 139 140
97-29764
Edition 05.01
Golf/Bora Current Flow Diagram No. 16/12
Dash panel insert, multi-function display, ambient
temperature indicator, self-diagnosis connection,
exhaust emissions warning lamp
E86  Multi-function display call-up button
E109  Multi-function display, memory switch
G17  Ambient temperature sensor
J119  Multi-function display
J285  Control unit with display in dash panel insert
J533  Data bus diagnostic interface, in dash panel
insert
E86 E109
K83  Exhaust emissions warning lamp
T16/7
T6e  6-pin connector
0,5 T6e/1 T6e/2 T6e/4 T6e/3 T16  16-pin connector, in dash panel centre,
gr/ws
self-diagnosis connection
T32  32-pin connector, blue
0,35 0,35 0,35 0,35
72 76 30 A76 bl/gn bl bl/gr br/ws
T32a  32-pin connector, green
0,35 0,35 0,35 0,35
110
A76  Connection (diagnosis wire K), in dash panel
or/br or/sw gr/ws gr/ws
wiring harness
can-l can-h
T32a T32a W K T32a T32a
20 19 T32a/5 T32/25 24 23 T32a/25
J533 J285
K83
J119
T32a/26
0,35
br/ge
ws = white
1
sw = black
Ń
108
ro = red
G17
br = brown
2
gn = green
0,35
br/ws
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
141 142 143 144 145 146 147 148 149 150 151 152 153 154
97-29843
Edition 05.01