Add-On Electrical Equipment
Caution
Some electrical equipment can damage the vehicle or cause components to not work and would not be covered by the 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 and Adding Equipment to the Airbag-Equipped Vehicle.
Trailer Towing
Vehicle CareData Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM
devices to communicate with each others. Use Data Communication Schematics to
find out which serial data buses are configured for a specific vehicle.
Circuit Description
There are many components in a vehicle t ...
Drive Range, Third Gear (Gen 2)
As vehicle speed increases and operating conditions become appropriate, the transmission
control module (TCM) processes input signals from the automatic transmission input
and output speed sensors, the throttle position sensor and other vehicle sensors
to determine the precise moment to comman ...
Transmission Identification Information
456789
(1)
Code for Automatic Transmission
(2)
Model Year
(3)
Model for Transmission
(4)
Transmission Family
(5)
Source Code for Plant
(6)
Calender Year
(7)
Julian Date
( ...