Chevrolet 2011 Tahoe Wartungshandbuch PDF herunterladen (Seite 37)

Black plate (7,1)

Chevrolet Tahoe Police and Special Service Packages - 2011

Special Equipment Options 15-7

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.

Blunt cut ignition controlled power

and signal circuits are also included

in the wire coiled under the

instrument panel near the center

of the vehicle. They include:

.

*A yellow, 0.5 mm² (20 gauge)

circuit, Hot in ACCESSORY,

RUN or RAP (Retained

Accessory Power).

.

A pink, 0.5 mm² (20 gauge)

circuit, Hot in START and RUN.

(7A maximum load)

.

*A yellow/black, 0.5 mm²

(20 gauge) transmission park

signal. This circuit provides

switched power when the

transmission is in P (Park) and

the engine is running. The

circuit is at 0 volts when the

transmission is in any other

position, i.e., R (Reverse),

N (Neutral), D (Drive) or

M (Manual). Note that the circuit

is also at 12 volts with the

transmission in P (Park) and

the ignition in LOCK/OFF. To

avoid the possibility of undesired

parasitic electrical load with

the ignition in LOCK/OFF it is

suggested that the Park/Signal

circuit be isolated by routing it

through the normally open

contact of a customer furnished

ignition controlled relay.

.

A dark green/white, 0.5 mm²

(20 gauge) Vehicle Speed

Signal (VSS) provides

4,000 pulses per mile.

*These two circuits share a

15 amp fuse. (10 amp combined

maximum load)

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