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To connect the customer-furnished equipment at the
junction blocks, use the following steps:
1. Disconnect the negative (−) battery cable.
2. Connect the customer-furnished equipment
positive leads to the junction block terminals and
tighten to 11 lb ft (15 N·m).
The ignition must be turned off and the vehicle
vacated prior to connecting the negative (−) battery
cable to the battery.
3. Reconnect the negative (−) battery cable to the
battery. Torque the bolt to 3.6 lb‐ft (5 Y).
4. Set the time on the clock and radio pushbuttons as
needed. See “Audio Systems” in the Instrument
Panel section of your Tahoe owner's manual for
more information.
Wiring Provisions for 12-Volt Power
Supply
15-21