EXECUTIVE
HEATING & AIR CONDITIONING
MODEL
NOTE:- CONVENTIONAL CURRENT FLOW IS ASSUMED IE.
FLOWING FROM BATTERY +VE TO BATTERY -VE
A/C
MASTER
SWITCH
A/C
RELAY
31
25
32
15
BATTERY
+
-
LOC. E9
(SEDAN)
LOC. E10
(WAGON)
YR28
YB39
BV/R
(185) (192)
HEATED
REAR
WINDOW
YR1
YR1
30 86
8587
86
87
87A 30 85
30
86
85 87
87
85
86
30
30 85
8687
87 85
86
30
FS
FY
F4
F11
R
R
ENGINE 12V BUS
BR/W
YB192
YB192
(2H)
(2A)
(1040)
(19)
(840)
(9)
O/W
BR
YE110
LG/B
F6
F4
(366)
SERIAL DATA
YE101
YE101
YE111
G
(59)
FJ
BLU
(49)
AUTO
LIGHTS
OFF
14
BODY CONTROL
MODULE
LIGHT SWITCH
IGNITION
SWITCH
10A
LOC. E1
F31
O/B
(740)
6
5
LOC. E3
B/Y
(155)
11 B/G (151)
POWER
GROUND
ELECTRONIC
GROUND
A/C
STATUS
A/C
SELECT
GY
(8)
FQ
BLOWER
FAN
R/B (1221)
YB128 DIAGNOSTIC
CONNECTOR
DIMMER
SWITCH
HEATED
REAR
WINDOW
SWITCH
SEDAN
HEATED
REAR
WINDOW
RELAY
7
YE43
YE43
F22
F13
B/G
(151)
(291)
O
F14
WAGON
ONLY
YB14 YB14
BLOWER
MOTOR
YB2
1234
YB50
YB50
DkG/Y
(359)
R/Y
(244)
R/G
(245)
YB64
YB64
BLOWER
MOTOR
RESISTORS
HEATER & A/C
CONTROLS
BLOWER
INHIBIT
RELAY
F33
E.F.I.
RELAY
YE39
YE39
O/Y
(479)
LOC. E3
YB44
YB44
(1150)
B
(359)
P/BLU
(44)
YB33
YB33
3
2
R/BR
(962)
R/W
(248)
B/R
(292)
8 9 20 1
P/BLU (44)
YB41
YB41
YB48
YB48
YB194
YE112 YB188 A3
B/W
(152)
P
(439)
B
(150)
(150)
B
LOC. E3
Y/B
(52)
O/G (251)
DKG/Y
YB54
YB54
YB163 YB165
YB163 YB164
YB165
YB163
YB165
YB164
YB33
YB33
DIM
HEADLAMPS
PARKLAMPS
YB164
YB2
LOC. E3
LOC. E3
YE105
YE105
REFER
SHT. 4,5,13.
REFER
SHT. 3,4,5,6,
7,15,16,
17,21,22.
REFER
SHT. 3,5,6,7,8,9,10,
11,12,13,14,15,
16,17,18,19,21,22.
REFER
SHT. 16.
REFER
SHT.
6,7,11,16,17.
REFER
SHT. 5.
B/R
(750)
YB164
15
YE104
YE118
BLU/W
(304)
O/B
(473)
B/P
(157)
P/B
(39)
O/BLU
(250)
BLU/Y
(533)
YE103
YE103
ENGINE
COOLING
FAN RELAY
(LOW SPEED)
ENGINE
COOLING
FAN RELAY
(HIGH SPEED)
FT
FU
O/B (208)
O/BLU(204)
Y(51)
LOC. E5/15
LOC. E3
LOC. E2
P/BLU
(44)
YB164
4
(40)
O
P(3)
FAN 2
FAN 1
R(2K)
YE114
YE114
YE114
YE114
YE114
YE120
YE120
J2-33
J2-43
YE123
SERIAL DATA
YB215 6
A/C
ENABLE
A/C
ENABLE
A/C
COMPRESSOR
YE110
POWER TRAIN
INTERFACE
MODULE
(P.I.M)
V8 ONLY
V8 ONLY
GEN 3
POWER TRAIN
CONTROL MODULE
ECOTEC V6
POWER TRAIN
CONTROL MODULE
V6 ONLY
THERMAL
CURRENT
SWITCH
YB110
YB110
VTII
NON
RESETABLE
FUSE
BLOWER
RELAY
PARK
LAMPS
RELAY
BLUE FUSIBLE LINK
(203)
R
REFER SHT 4.
STARTING & CHARGING
YE10
REFER
SHT. 6,11,16,17.
YE114
B
B
Y
G
0.47uF
SUPPRESSION
CAPACITORS
YE140
FAN 1
340
YE139
B
BLU
FAN 2
300
YE139
B
BLU
YE140
V6
ENGINE
COOLING
FANS
FOR S/C V6 COOLING
FANS REFER SHT. 5D.
FOR V8 COOLING
FANS REFER SHT. 5F.
15a 15 50
30
OFF/ON
LOCK
ACC
IGN
START
(292)
YE39 (M.W.H) YE43 (M.W.H)
YB64 (M.W.H)
YE101 (M.W.H) YE103 (M.W.H) YE104 (M.W.H)
YB14 (BLOWER MOTOR HARNESS)
YB33 (M.W.H) YB39 (M.W.H)
YB128 (M.W.H) YB163 (M.W.H) YB164 (M.W.H) YB165 (M.W.H)
YB194 (POWER TRAIN HARNESS)
YR1 (BODY HARNESS) YR28 (BODY HARNESS)YB192 (M.W.H)
PARK LAMPS RELAY
E.F.I RELAY ENGINE COOLING FAN RELAY (HIGH SPEED)
BLOWER RELAY
A/C RELAY ENGINE COOLING FAN RELAY (LOW SPEED) ENGINE COOLING FAN CONNECTOR
BLOWER MOTOR
HEAD LAMP SWITCH BODY HARNESS CONNECTOR
DATA LINK CONNECTOR B.C.M CONNECTOR 2 B.C.M CONNECTOR 3 B.C.M CONNECTOR 4
P.C.M CONNECTOR 3
YB50 (M.W.H)
YE111 (M.W.H)
YE112 (M.W.H)
ENGINE CONNECTOR 2
ENGINE CONNECTOR 3
YB48 (M.W.H)
YB2 (M.W.H)
BLOWER MOTOR RESISTORS
BLOWER MOTOR INHIBIT RELAY
HEATED REAR WINDOW CONNECTOR
YB188 (POWER TRAIN HARNESS)
BLOWER SWITCH
YB54 (M.W.H)
A/C & HEATED REAR WINDOW
P.C.M CONNECTOR 2
ENDGATE HARNESS CONNECTOR 2
IGNITION SWITCH
YB44 (M.W.H)
YE118 (BATTERY HARNESS)
ENGINE COOLING FAN HARNESS
ENGINE CONNECTOR 1
YE110 (M.W.H)
YE120 (POWER TRAIN HARNESS)
A/C COMPRESSOR SUPPRESSION DIODE
LOCATION E3 EARTH CONNECTOR
YE114 (M.W.H)
LOW SPEED ENGINE COOLING FAN
YE139 (ENGINE COOLING FAN HARNESS)
HEATED REAR WINDOW RELAY
YB41 (M.W.H)
P.C.M CONNCTOR 2
YE123 (POWER TRAIN HARNESS)
POWER TRAIN INTERFACE MODULE
YB215 (POWER TRAIN HARNESS)
YB110 (M.W.H)
BLOWER MOTOR HARNESS CONNECTOR
HIGH SPEED ENGINE COOLING FAN
YE140 (ENGINE COOLING FAN HARNESS)
Y(51)
R(2)
(863)
O/B
BLU/B R/B(1221)
(740)
16
9
(1220)
(155)
B/Y G/W
W/B(451)
B(150)
Y(1049)
1
8
(2)
R
Y(51)
DG/Y
BLU
(140)
(15)
O/R (674)
G/W
(359)
W(1138)
(440)
(151)
(14)
O/V
B/G
LBLU
O/B
R/BR
Y
(473)
(962)
(196)
5
12
1
6Y/B
(260)
(83)
(97)
G/W
(229)
B/G
W/BLU
(266)
(1144)
P/BLU
G/W
BLU/W
(1220)
(494) BR/G
GY
(1220)
B
GY
(1391)
LBLU (151)
(271)
R/B
R/W
(1150)
(291)
V/R
(8)
O
P/B
B/R
Y
GY/R
(1221)
(94)
(39) (44)
(248)
10
20 1
11
(492)
GY/BLU
(173)
Y
B/R
BR
(292)
(90)
(263)
LBLU B/Y
O/B
(155)
(740)
8
4
5
1
(481)
(417)
(740)
R
BLU
O/B
(1456)
LG
V/W(415) Y
(1227)
B/Y (410) BR(472)
(259)
(750)
(750)
(1221)
B/R
B/R
R/B
G/B
(39)
P
(465)
G/W
(416)
GY
(740)
O/B
1
2
43
5
(49)
BLU
(840)
O/W BR(9)
O/W(840)
LG/B(366)
G
(843)
B/W
F16
B/Y
BR/Y
(1228)
(469)
Y
(451)
F1
P
(841)
BLU
V
E1
LBLU (845)
BLU
B
(1226)
W/B
BLU/W
V
R
(435)
(31)
(1229)
GY
(1224)
Y(846)
GY
(842)
(452)
(774)
(304)
BR/Y
(411)
(439)
GY/BLU
BLU
(1225)
E16
(1427)
(429)
(844)
B/O
(434)
OR
AUTO
GY/BLU
GY
(1434)
MAN
(776)
W
BLU/W
Y
GY (771)
(772)
(773)
(359)
DkG/Y R/G(245)
R/Y(244)
(51)
Y
W/B (451)
Y(1049)
B/R(750)
P(39)
R/B(1221)
GY/BLU
(1434)
GY
(434)
(AUTO)
(MAN)
(151)
B/G
GY (8)
(717)
WW/R(308)
BR/BLU(42)
(49)
BLU
W/B(147)
B(1150)
OR
EXECUTIVE
BLU/B
(15)
(24)
BR/B
BLU
(9)
V
BLU/O
G
(540)
(117)
Y/BLU
BLU/R
(115)
LG
LG
(199)
(14)
BR
(120)
(46)
(200)
O/B
LBLU
(116)
(20)
V/R (192)
O/Y (1240)
B/R
P/BLU
V/R
O
(192)
(40)
(44)
87 85
87A
86
30
BR(4)
V(5)
(2)
R
(3)
P
P
B(150)
(3)
O/G(251)
30
85
87A
87
86 (150)
B
(359)(251)
O/G DkG/Y
Y/B (52)
R/G
R/Y(244)
(245)
(291)
(248)
(44)
O
R/W
P/BLU
R/BR
GY
BR/W
B/R
(962)
(8)
(19)
(292)
(150)
(44)
(51)
BY/B
Y
(52)
P/BLU
87
30
86
85
1
2
4
3
5
(366)
(439)
LG/B
P
G
P
(59)
(439)
86
30
87
85
87A
(1040)
O/BLU
(250)
ENGINE 12V BUS
BLU/Y(533)
O/B(473)
B/R(157)
A
B
BLU/Y(533)
(250)
O/BLU O/W
(304)
(1426)
BLU/W
G/W
(339)
P/BLU
(465)
(123)
V/W
(1427)
B/W
Y(1049)
(482)
(481)
R
LG
GY
G
(434)
(129)
P(439)
(59)
(366)
LG/B
GW/B(451)
(1221)
(42)
(121)
BR/BLU
BR/R
R/B
O/B
LG
P/B
BLU
(740)
(24)
(39)
(774)
LBLU(411)
S/C ONLY
(151)
B/G
(157)
B/R
(150) (155)
BB/Y
(152)
B/W
(157)
B/R
(204)
(208) O/BLU
O/B
G(59)
B/R (750)
(750)
(1228)
(1229)
(465)
(121)
(259)
G/B
BR
G/W
GY/BLU
R
B/R
(418)
BR
(59)
(832)
G
T
(831)
(417)
(472)
(976)
(974)
(432)
(428)
(631)
BLU
BR G/Y
BLU/W
LG
BR/W
W/B
LG W
(977)
Y
(971)
BLU/W
W
B/R (750)
(304)
(792)
(1223)
(1222)
(123)
(1227)
(469)
(331)
Y/B
LG
V/W
B/Y
G/O
BR/W
(1687)
GY/B
(366)
LG/B
GY/R(422)
V
(442)
(444)
(443)
(975)
(972)
(978)
(1224)
(973)
(959) LG/W
LG/B
LBLU/B
GY(773)
BR/Y
BLU
G
Y/B
LBLU
(958)
BR
(441)
LBLU
1
41
40
80
J2
RED
Y(838)
B(533) (208)
BLU Y(250) (204)
G
86
30 87A
87
85
B/W
P/B
O/Y
(152)
(39)
(479)
(1040)
ENGINE 12V BUS
86
30
87
85
87A
B/R (157)
BLU/W(304)
P/B(39)
O/BLU (250)
(192)
OR
(185)
V/R
B
V/R(192)
B/BLU(156)
A/C COMPRESSOR
YE105 (POWER TRAIN HARNESS)
(59)
G(750)
B/R
A
1
2
YE123
P.C.M.
CONNECTOR (2)
(RED)
"GEN111"
"V6","V6 S/C" SHOWN
"GEN111" SIMILAR
YE105
A/C
COMPRESSOR
CONNECTOR
"V6" SHOWN
YE139
LOW SPEED
ENGINE
COOLING FAN
CONNECTOR
YE140
HIGH SPEED
ENGINE
COOLING FAN
CONNECTOR
VIEW
A
B
A
WIRING DIAGRAMS
HARNESS SYMBOLS:
VIEW
D
YB164
B.C.M.
CONNECTOR (3)
YB163
B.C.M.
CONNECTOR (2)
YB165
B.C.M.
CONNECTOR (4)
YB39
BODY
HARNESS
CONNECTOR
VIEW
C
YB44
IGNITION
SWITCH
CONNECTOR
YB128
DATALINK
CONNECTOR
FUSE 4
FUSE 13
FUSE 14
FUSE 22
FUSE 11
YB192
PARK LAMPS
RELAY
YB64
BLOWER
RELAY
YB48
BLOWER
MOTOR
INHIBIT
RELAY
YB41
HEATED
REAR
WINDOW
RELAY
YE110
ENGINE
CONNECTOR (1)
YE111
ENGINE
CONNECTOR (2)
YE112
ENGINE
CONNECTOR (3)
YE120
A/C
COMPRESSOR
SUPPRESSION
DIODE (TAPED)
CONNECTOR
"V6" SHOWN
"V6 S/C" & "V8"
SIMILAR
"V6 SHOWN"
YE114
LOCATION
E3 EARTH
CONNECTOR
FT
FU
(BAT.)
(M.W.H.) (P.T.) (E.G.)(B.) (E.C.)
YE104
ENGINE
COOLING FAN
CONNECTOR
YE118
ENGINE
COOLING FAN
HARNESS
CONNECTOR
ENGINE COOLING
FAN HARNESS
"V6&V6S/C"
YE43
ENGINE
COOLING
FAN RELAY
(HIGH SPEED)
VIEW
J
YR28
END GATE
HARNESS
CONNECTOR (2)
VIEW
E
YB54
A/C & HEATED
REAR WINDOW
SWITCH
CONNECTOR
YB50
BLOWER
SWITCH
CONNECTOR
HEATER & A/C
CONTROL
ASSEMBLY
YB188
P.C.M.
CONNECTOR (2)
YB194
P.C.M.
CONNECTOR (3)
VIEW
H
VIEW
I
YB215
POWERTRAIN
INTERFACE
MODULE
CONNECTOR
VIEW
G
YB110
BLOWER
MOTOR
HARNESS
CONNECTOR YB14
BLOWER
MOTOR
CONNECTOR
BLOWER
MOTOR
HARNESS
YE104
ENGINE
COOLING FAN
CONNECTOR
YE118
ENGINE
COOLING FAN
HARNESS
CONNECTOR "GEN111"
FUSE 31
FUSE 33
FJ
FS
FQ
FY
YE101
A/C
RELAY
YE39
E.F.I.
RELAY
YE103
ENGINE
COOLING
FAN RELAY
(LOW SPEED)
RELAY & FUSE PANEL
VIEW
B
YB33
LIGHT SWITCH
CONNECTOR
C
D
F
G
E
H
I
VT212P10A
SEDAN
YR1
HEATED REAR
WINDOW
CONNECTOR
WAGON
J
K
YB2
BLOWER
MOTOR
CONTROL
CONNECTOR
VIEW
F
VIEW
K
YR1
HEATED
REAR
WINDOW
CONNECTOR