GMC 2019 TAHOE 4x4 Special Service Manual page 37

WIRING PROVISION FOR OPTION 6J4, HORN - SIREN CIRCUIT
HORN - SIREN
INLINE UNDER
CENTER OF
INSTRUMENT
PANEL
UNDERHOOD
HORN
ELECTRICAL
RELAY
CENTER
L6
L6
WIRING DIAGRAM FOR OPTION WX7 IN-LINE CONNECTOR
WIRING PROVISION FOR OPTION WX7, FRONT SPEAKERS CONNECTION
LEFT FRONT
OUTPUT
LFOUT OUTAF LFOUT OUTAF
X3 9 X3 1
118 201
BN/BU BU
0.75 0.75
1 5
X286 X286
1 5
118 201
BN/BU BU
0.75 0.75
TO FRONT DOOR AND
WINDSHIELD PILLAR SPEAKERS
NOTE: Wiring diagrams for these options are shown in the Police Package owner's manual
2019 TAHOE 4X4
SPECIAL SERVICE
WIRING
28
BN/WH
0.35
A
X251
A
28
BN/WH
0.35
X102
BCM-TO-HORN CIRCUIT SHOWN FOR INFORMATION
ONLY. DO NOT MAKE HORN-SIREN CONNECTION
BETWEEN HORN AND BCM.
RIGHT FRONT LEFT REAR
OUTPUT
RFOUT OUTAF RFOUT OUTAF LROUT OUTAF
X3 10 X3 2 X3 11
117 200 116
YE/BK YE GN/BK
0.75 0.75 0.5
2 6 3
X286 X286
2 6 3
117 200 116
YE/BK YE GN/BK
0.75 0.75 0.5
supplement (shipped in glove box).
33
3287
GN/WH
0.35
X5 19
X1 10
A15
COIL
MODULE
SPRING
BODY CONTROL
SPRING
COIL
X3 18 X2 1
3287
GN/WH
0.35
X1 1
HORN
X1 2
RIGHT REAR
OUTPUT OUTPUT
LROUT OUTAF RROUT OUTAF RROUT
X3 3 X3 12 X3
199 115
GN BU/BK
0.5 0.5
7 4 8
X286 X286 X286
7 4 8
199 115
GN BU/BK
0.5 0.5
TO REAR SPEAKERS
STEERING
COLUMN
AND WHEEL
RADIO
OUTAF
4
46
WH
0.5
OPTION WX7 HARNESS
ADDED HERE TO SEND
LF AND RR RADIO
OUTPUTS TO LR AND RR
SPEAKERS.
X286
BLUNT-CUT CIRCUITS
FOR FRONT SPEAKERS
ARE COILED UNDER THE
46
INSTRUMENT PANEL
WH
0.5