2018 TAHOE 4WD
POLICE PACKAGE 9C1
32
2018 TAHOE 4WD
POLICE PACKAGE 9C1
32
UEC IGNITION
RUN/CRANK BUS
PRIMARY
BATTERY
UBEC BUS 1
AUXILIARY BATTERY
LOCATED AT LEFT
FRONT OF ENGINE
BLUNT CUT WIRING LOCATED BELOW CENTER OF INSTRUMENT PANEL
ELECTRICAL COMPONENT IDENTIFICATION:
UEC-UNDERHOOD ELECTRICAL CENTER
IECM-INTERMEDIATE ELECTIRICAL CENTER-MIDDLE
REC-REAR ELECTRICAL CENTER, LEFT REAR
NOTE: SEE ALSO GMUPFITTER.COM FOR MORE
INFORMATION ABOUT RELAY FUSE POSITIONING.
AUXILIARY BATTERY PREFUSE ASSEMBLY
TO IGNITION
CONTROLLED
AUXILIARY
BATTERY
CHARGING RELAY
100 AMP STUD
LH REAR QUARTER
REC
XB6
INSTALL UPFITTER RELAY FUSES IN UEC POSITIONS 69 & 77
TO OPERATE RELAYS IN RUN/CRANK OR IN POSITIONS
70 & 78 TO OPERATE RELAYS WITH BATTERY POWER.
SEE ALSO BULLETIN NOTE BELOW.
ENGINE
COMPARTMENT
PRIMARY BATTERY
UBEC BUS 1
940
940
939
939
901
85
100
50
X
2
2
FUSE
MEGA
REC_POLICE
MEGA100a
FUSE
MEGA
IP_POLICE
MEGA50a
Y
5442
5542
YE/VT
4.0
350
BK
35
742
RD/GN
10.0
5442
YE/BU
10.0
X86 AUXBATT 1
A
A
A
X86 AUXBATT 2
POS
NEG
G1 AUXILIARY
BATTERY
X86 AUXBATT 9C1
5442
X
Y
86
961
M5
UEC
IECM
M5
M7
M7
F3
F3
G2
G2
L6
L6
K5
K5
L1
L1
K2
K2
905
905
905
905
962
963
964
961
0.5
RD/WH
2550
10.0
BK
BODY
X632
STUD
965
2.5
BU
962
0.5
YE/WH
966
2.5
GY/BK
963
0.5
GN/GY
967
2.5
YE/BN
964
0.5
WH/BU
968
2.5
RD/GN
968
964
48
1
1
23
23
48
38
38
87
30
42
K0 UPFIT1
RELAY
K0 UPFIT2
RELAY
K0 UPFIT3
RELAY
K0 UPFIT4
RELAY
40
902
86
87
85
30
42
40
903
86
87
85
30
42
40
904
86
87
85
30
42
40
XX
5
Y
X
5
Y
Fuse
Micro
UPFIT_1
micro30a
Fuse
Micro
UPFIT_2
micro30a
Fuse
Micro
UPFIT_3
micro30a
Fuse
Micro
UPFIT_4
micro30a
Fuse 69 or 70
UPFITT 3 & 4
Fuse 77 or 78
UPFITT 1 & 2
X
30
Y
X
30
Y
X
30
Y
X
30
Y
X102
X102
X102
X101
X101
X101
X101
X101
X279
X275
X279
X271
967
4
4
35
35 X279
X275
963
11
11
30
30 X279
996
962
14
14
31
31 X279
X275
17
17
34
34 X279
X271
965
20
20
16
16 X279
X275
961
10
10
21
21 X279
16
16 X279
X271
10
10
X275
1050
0.5
BK
IP
SP1050R
961
0.5
RD/WH
965
2.5
BU
962
0.5
YE/WH
966
2.5
GY/BK
963
0.5
GN/GY
967
2.5
YE/BN
964
0.5
WH/BU
968
2.5
RD/GN
BETWEEN FRONT SEATS
WIRING DIAGRAM FOR 12-VOLT BATTERY POWER SUPPLY
NOTE: Wiring diagrams for these options are shown in the Police Package owner’s manual
supplement (shipped in glove box).
WIRING