light CHEVROLET TAHOE 2012 3.G User Guide
[x] Cancel search | Manufacturer: CHEVROLET, Model Year: 2012, Model line: TAHOE, Model: CHEVROLET TAHOE 2012 3.GPages: 60, PDF Size: 1.12 MB
Page 36 of 60
Black plate (6,1)Chevrolet Tahoe Police and Special Service Packages - 2012
15-6 Special Equipment Options
6. Reconnect the negative (−)battery cable to the battery.
Torque the bolt to 5 Y
(3.6 lb ft).
7. Reset the clock time and radio pushbuttons as desired.
The 12‐volt battery power is
supplied through two underhood
mega fuses, one 125 amp and one
60 amp. This underhood power is
fed to the breaker/relay center via a
harness that passes through the
driver side front of the dash, and
routes across the instrument panel
to a position forward of the glove
box. The breaker/relay center is
mounted to the instrument panel
structure forward of the glove box.
The center includes a plastic
bracket, two relays, two 30 amp
breakers and three 50 amp mega
circuit breakers. Two 30 amp breakers supply power
from the underhood 60 amp mega
fuse through the contacts of the
control relays to 3.0 mm² (12 gauge)
blunt cut wires. These two blunt cut
leads are part of wire coil under the
instrument panel near the center of
the vehicle.
Each relay is operated by a 0.5 mm²
(20 gauge) blunt cut, light or dark
blue control lead included in the
122 cm (4 ft) loop of wire coiled
under the instrument panel.
Three 50 amp mega circuit
breakers, protected by three fusible
links, supply power directly from the
underhood 125 amp mega fuse
through three, 5.0 mm² (10 gauge)
wires. Two of the wires are routed
through the body harness to buss
junction blocks in the left rear of the
cargo area and secured near the
jack and tools. This 122 cm (4 ft) of
coiled wires can be accessed by
removing the cup holder on the top
of the trim panel. The third 5 mm²
(10 gauge) wire is a blunt cut lead
which is part of the 122 cm (4 ft)
loop of wire coiled under the
instrument panel near the center of
the vehicle.
An 8 mm² (8 gauge) ground lead is
also provided, and it is located
under the front passenger sill plate.
It can be accessed by removing the
sill plate and pulling the loop of wire
at the front of the plate. The lead is
122 cm (4 ft) long.
Page 41 of 60
Black plate (11,1)Chevrolet Tahoe Police and Special Service Packages - 2012
Special Equipment Options 15-11
Exterior Lamp
Emergency Flashing
System - SEO 6J7
SEO 6J7 provides a high-beam
headlamps flashing module, rear
lamps flashing and control wire for a
customer-furnished switch to turn
the module on or off. The flasher
control wire is coiled under the
center of the instrument panel. This
control lead may be combined with
the interior wiring leads for SEO 6J3
when that option is ordered with
SEO 6J7.The headlamps flashing module is
located below the passenger side
front headlamp and forward of the
passenger side front wheel. The
module is connected to an inline
connector in the forward lamp
harness. The headlamps flashing
module is activated by the
application of 12 volts to a dark
green/red wire coiled in the
passenger side footwell. When
activated, the driver and passenger
side high-beam headlamps and the
high-beam instrument panel cluster
light will flash alternately at
2.4 flashes per second.
When the headlamps flashing
module is turned on, the module
sends a signal to the Body Control
Module (BCM). The BCM alternately
flashes the stop lamps and backup
lamps. Depressing the brake pedal
will override the stop lamp flashing
and placing the transmission in
reverse will override the backup
lamp flashing.Activation of the headlamp and
rearlamp flashing can be separated.
Call Kerr Industries at 905‐725‐6561
During daylight conditions, the
Daytime Running Lamps (DRL) are
automatically turned off whenever
the headlamps flasher module is
activated. During nighttime
conditions, the low-beam
headlamps turn on automatically
while the high-beam headlamps
flash. Turning on the high-beam
headlamps manually with the turn
signal/multifunction lever will
override the flashing module and
the high-beam headlamps will
operate continuously.
Page 45 of 60
Black plate (15,1)Chevrolet Tahoe Police and Special Service Packages - 2012
Special Equipment Options 15-15
Wiring Provisions for
Emergency Vehicle Roof
Light - SEO TRW
Battery power is supplied through a
30 amp fuse to a wiring harness
located in the roof. Power is
controlled with a switch located in
the overhead console. The
customer or vehicle upfitter must
complete the installation to an
added accessory such as an
emergency beacon lamp.
Maximum rated electrical load is
21 amps (250 watts). The added
electrical requirements must not
exceed 21 amps (250 watts).
Running the accessory for long
periods of time with the engine off
may run the battery down.Installation
Instructions
–Emergency
Vehicle Roof Panel Lamp
Wiring to the accessory can be
done by either directly connecting
the wire in the roof to the accessory
(Option A) or by using Wiring
Harness Package part number
12150250 obtained from GM
Service Parts (Option B).
A. 645 mm (25.39 in)
B. 440 mm (17.32 in)
C. 100 mm (3.94 in) square D. Roof Centerline
E. Roof Edge
1. Disconnect the negative (−)
battery cable at the battery.
2. Make the electrical connections using either option A or option B.
Notice: Pulling the wiring
harness through a panel hole that
has sharp edges may cause
damage to the wire and/or wire
insulation. Remove sharp edges
from the panel hole before pulling
the wire through it.
Option A: Roof Wires Directly to
Accessory
1. Drill a 10 to 13 mm (3/8 in to 1/2 in) hole in the outer roof
panel in the area shown in the
illustration. The hole should only
go through the outer panel.
Remove all sharp edges from
the drilled hole.
2. Remove the inside overhead console access panel/lamp
lenses.
Page 47 of 60
Black plate (17,1)Chevrolet Tahoe Police and Special Service Packages - 2012
Special Equipment Options 15-17
8. Attach the harness assemblyfrom the package to the
accessory. Cover with the
supplied conduit for added
protection. Connect the orange
wire to the accessory hot
terminal and the black wire to
the ground.
9. Complete the connection from the roof harness to the extension
harness. Cover the mated
connector with the supplied
foam. Push the foam covered
connection and excess wire
through the roof panel hole.
10. Reinstall the overhead console access panel/lamp lenses. Restoring Power
The auxiliary lamp switch is located
on the overhead console.
This switch includes wiring
provisions for a dealer or a qualified
service center to install an auxiliary
roof lamp. When the wiring is
connected to an auxiliary roof
mounted lamp, pressing the bottom
of the switch will activate the lamp and illuminate an indicator light at
the bottom of the switch. Pressing
the top of the switch again will turn
off the roof mounted lamp and
indicator.
1. Be sure that the auxiliary lamp
switch is off.
2. Vacate the vehicle and reconnect the battery cable.
3. Turn the auxiliary lamp switch on. The accessory should now
be working. If it is not working,
check the connections.
4. After ensuring that the accessory is working properly,
install the grommet in the hole.
Seal with silicone sealer to
prevent water leakage.
Notice: Overloading the vehicle's
electrical system may damage
your vehicle's accessories. Do
not overload the vehicle's system
by having unnecessary
accessories on at the same time.
Page 50 of 60
Black plate (20,1)Chevrolet Tahoe Police and Special Service Packages - 2012
15-20 Special Equipment Options
Maintenance
The emergency roof light circuit is
fed from the fuse labeled Sunroof
located in the underhood electrical
center. Always replace the fuse with
a 30 amp mini-fuse.
Wiring Provisions
for Horn/Siren
Circuit - SEO 6J4
This provision permits customer
connection of a switch to select
either horn or siren operation when
the horn pad is pressed.A 0.35 mm² (22 gauge) wire is
connected to an in-line connector in
the horn circuit of the instrument
panel harness under the instrument
panel. The end of this harness
extension is in a 1.5 m (5 ft) loop of
wire coiled under the center of the
instrument panel.
Page 52 of 60
Black plate (22,1)Chevrolet Tahoe Police and Special Service Packages - 2012
15-22 Special Equipment Options
Wiring Provisions for
Vehicle Grille Lamps,
Flasher, and Speaker/
Siren - SEO 6J3
Alternating Signal Flasher
A. Blunt cut ends for the Customer-Furnished Grille
Lamps and Customer-Furnished
Siren/Speaker
B. Control Wires from In-Line Connector in Forward Lamp
Harness for
Customer-Furnished Grille
Lamps and Speaker The SEO 6J3 wiring provision option
consists of a 1.5 m (5 ft) wiring
harness coiled underneath the
instrument panel on the passenger
side. The wiring circuits are routed
from underneath the instrument
panel to a 30 cm (1 ft) coil secured
in the area behind the grille. There
are four 1.0 mm² (16 gauge) wires
for connecting to the grille lights
(GRY, TAN) and siren speaker
(LT BU, LT GN)
The SEO 6J3 wiring provision also
includes one 0.8 mm² (18 gauge)
control wire for the SEO 6J7 exterior
lamps emergency flashing system.
When option SEO 6J7 is installed
without option SEO 6J3, only the
dark green/red control wire is
provided for connection to
customer-furnished 12-volt
switching to turn the emergency
flashing system on or off.
Page 54 of 60
Black plate (24,1)Chevrolet Tahoe Police and Special Service Packages - 2012
15-24 Special Equipment Options
Wiring Provisions Front
Speakers - SEO WX7
About 165 cm (65 in) of auxiliary
speaker wire is run from the
instrument panel radio connector
and is coiled under the center of the
instrument panel. The wiring permits
the connection of front door
speakers to customer-installed
communication equipment.Radio outputs from the front
speakers are sent to the rear
speakers to maintain the required
open door/key in the ignition
reminder chime
Electrical Connections
1. Disconnect the negative (−)
battery cable at the battery.
2. Remove the tape from the wire coiled under the instrument
panel to uncoil it.
3. Using proper electrical connectors, connect the wires
for the left front audio output of
the customer-installed
communication device. The left
front positive wire is tan and the
left front negative wire is gray.
4. Using proper electrical connectors, connect the wires
for the right front audio output of
the customer-installed
communication device. The right
front positive wire is light green
and the right front negative wire is dark green. The electrical
impedance of each speaker
installed is 10 ohms.
Notice: Overloading the vehicle's
electrical system may damage
your vehicle's accessories. Do
not overload the vehicle's system
by having unnecessary
accessories on at the same time.
5. The ignition must be turned off and the vehicle must be vacated
prior to attaching the cable to the
battery. Connect the negative (−)
battery cable to the battery and
tighten the bolt to 5 N·m
(3.7 lb ft).
6. Set the time on the clock and radio pushbuttons as needed.
See “Introduction” in the
Infotainment section of the
owner manual for more
information.
Page 58 of 60
Black plate (2,1)Chevrolet Tahoe Police and Special Service Packages - 2012
i-2 INDEX
G
GaugesOdometer . . . . . . . . . . . . . . . . . . . . . . 5-3
Speedometer . . . . . . . . . . . . . . . . . . 5-3
Groundig Studs, Rear Compartment . . . . . . . . . . . . . . . 15-10
Grounding Straps
Radio Suppression . . . . . . . . . 15-10
H
Horn/Siren, WiringProvisions - SEO 6J4 . . . . . . . 15-20
I
Idle SystemFast . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Inactive Rear Door Handles - SEO 6B2 . . . . . . . . . 15-14
Inactive Rear Door Locks - SEO 6N6 . . . . . . . . . . . 15-14
Inactive Rear Door Windows - SEO 6N5 . . . . . . . . 15-14
Instrument Cluster . . . . . . . . . . . . . . 5-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . ii
K
Keys Single Key Random CodeSystem . . . . . . . . . . . . . . . . . . . . . . . 2-1
L
LampsExterior Controls . . . . . . . . . . . . . . . 6-1
Exterior EmergencyFlashing
System - SEO 6J7 . . . . . . . . .15-11
Vehicle Grille Wiring
Provisions - SEO 6J3 . . . . . 15-22
Lights Wiring Provisions forEmergency
Vehicle - SEO TRW . . . . . . . 15-15
M
Monitor System, Tire
Pressure . . . . . . . . . . . . . . . . . . . . . 10-1
Page 60 of 60
Black plate (4,1)Chevrolet Tahoe Police and Special Service Packages - 2012
i-4 INDEX
T
TiresPressure Monitor System . . . . . 10-1
Towing Trailer . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Trailer Towing . . . . . . . . . . . . . . . . . . 9-5
U
Using This Supplement . . . . . . . . . . . iii
V
Vehicle Canadian Owners . . . . . . . . . . . . . . . ii
Load Limits . . . . . . . . . . . . . . . . . . . . 9-1
W
WindowsInactive RearDoor - SEO 6N5 . . . . . . . . . . 15-14
Wiring Provisions 12-Volt Battery PowerSupply . . . . . . . . . . . . . . . . . . . . . . 15-2
Emergency Vehicle Roof Light - SEO TRW . . . . . . . . . 15-15
Front Speakers - SEO WX7 . . . . . 15-24
Horn/Siren Circuit - SEO 6J4 . . . . . . . . . 15-20
Vehicle Grille Lamps, Flasher, and Speaker/
Siren - SEO 6J3 . . . . . . . . . . . 15-22