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Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
318 Driving and Operating
Conversions and
Add-Ons
Add-On Electrical
Equipment
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Warning
The Data Link Connector (DLC) is
used for vehicle service and
Emission Inspection/Maintenance
testing. See Malfunction Indicator
Lamp 0 146. A device connected
to the DLC — such as an
aftermarket fleet or
driver-behavior tracking device —
may interfere with vehicle
systems. This could affect vehicle
operation and cause a crash.
Such devices may also access
information stored in the vehicle’s
systems.
Caution
Some electrical equipment can
damage the vehicle or cause
components to not work and
would not be covered by the
vehicle warranty. Always check
with your dealer before adding
electrical equipment.
Add-on equipment can drain the
vehicle's 12-volt battery, even if the
vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything
electrical to the vehicle, see
Servicing the Airbag-Equipped
Vehicle 0 88 and Adding Equipment
to the Airbag-Equipped Vehicle
0 89.
For information on wiring auxiliary
switches, see www.gmupfitter.com
or contact your dealer.
Snow Plow Prep Wiring
Package
These wiring provisions are
included with RPO VYU (Snow Plow
Prep Package) only. These
provisions are for use with a snow
plow installed. The harness should
be installed by your dealer or
qualified service center.
Adding a Snow Plow or
Similar Equipment
Caution
Do not exceed 72 km/h (45 mph)
with a snow plow mounted to the
vehicle. The vehicle could
overheat and be damaged.
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