Advertisement
WIRING DIAGRAM FOR 12-VOLT BATTERY POWER SUPPLY
AUXILIARY BATTERY PREFUSE ASSEMBLY
2
2
FUSE
FUSE
X
X
MEGA
MEGA
REC_POLICE
IP_POLICE
100
50
MEGA100a
MEGA50a
Y
Y
5442
5442
X86 AUXBATT 1
X86 AUXBATT 9C1
X86 AUXBATT 2
A
A
A
742
5442
5542
RD/GN
YE/BU
YE/VT
10.0
10.0
4.0
TO IGNITION
CONTROLLED
AUXILIARY
BATTERY
CHARGING RELAY
BODY
STUD
X632
XB6
BETWEEN FRONT SEATS
100 AMP STUD
LH REAR QUARTER
REC
NOTE: Wiring diagrams for these options are shown in the Police Package owner's manual
2019 TAHOE 4X4
SPECIAL SERVICE
WIRING
UEC IGNITION
RUN/CRANK BUS
PRIMARY
BATTERY
UBEC BUS 1
POS
G1 AUXILIARY
BATTERY
901
NEG
30
85
350
BK
35
86
87
AUXILIARY BATTERY
LOCATED AT LEFT
30
FRONT OF ENGINE
961
M5
M7
X102
M5
M7
961
RD/WH
IP
0.5
SP1050R
16
21
16
X279
X279
16
21
16
961
10
X275
10
X271
20
10
10
20
2550
1050
961
BK
BK
RD/WH
10.0
0.5
0.5
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.
supplement (shipped in glove box).
29
PRIMARY BATTERY
UBEC BUS 1
940
INSTALL UPFITTER RELAY FUSES IN UEC POSITIONS 69 & 77
939
TO OPERATE RELAYS IN RUN/CRANK OR IN POSITIONS
70 & 78 TO OPERATE RELAYS WITH BATTERY POWER.
SEE ALSO BULLETIN NOTE BELOW.
X X
Fuse 77 or 78
5
UPFITT 1 & 2
Y
902
903
42
42
85
30
85
K0 UPFIT1
K0 UPFIT2
RELAY
RELAY
86
87
86
40
40
X
X
Fuse
Fuse
Micro
Micro
30
UPFIT_1
UPFIT_2
micro30a
micro30a
Y
Y
962
963
905
905
F3
G2
L6
X102
X102
X101
X101
F3
G2
L6
965
962
966
963
BU
YE/WH
GY/BK
GN/GY
2.5
0.5
2.5
0.5
34
31
30
X279
X279
X279
X279
34
31
30
965
962
996
963
X275
17
X271
14
X275
11
17
14
11
965
962
966
963
BU
YE/WH
GY/BK
GN/GY
2.5
0.5
2.5
0.5
ENGINE
COMPARTMENT
940
939
X
Fuse 69 or 70
5
UPFITT 3 & 4
Y
904
42
42
30
85
30
K0 UPFIT3
K0 UPFIT4
RELAY
RELAY
87
86
87
40
40
X
X
Fuse
Fuse
Micro
Micro
30
30
UPFIT_3
UPFIT_4
micro30a
micro30a
Y
Y
964
905
905
UEC
K5
L1
K2
X101
X101
X101
K5
L1
K2
967
964
968
YE/BN
WH/BU
RD/GN
2.5
0.5
2.5
35
38
48
X279
X279
X279
35
38
48
968
IECM
967
964
4
X275
23
X271
1
X275
4
23
1
967
964
968
YE/BN
WH/BU
RD/GN
2.5
0.5
2.5
Advertisement
