WIRING
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WIRING Impala
Trunk Ground Stud – SEO UT7
A 10 mm ground stud can be found in the trunk on the passenger’s side
of the vehicle. The stud is located above the trunk auxiliary junction
block. See “Trunk Auxiliary Battery Power Junction Block” that follows for
more information on location. A 10 mm flanged hex nut grounds the 10
mm bolt to the vehicle. Recommended torque for the flanged nut is 26 lb
ft (35 N·m), plus or minus 4lb ft (5 N·m). A 10 mm hex nut is provided for
customer ground termination. Recommended torque for the terminal
connection nut is 7.3 lb ft (10 N·m), plus or minus 1 lb ft (1.3 N·m).
Trunk Auxiliary Battery Power Junction Block
The auxiliary battery power junction block is mounted in the trunk of your
Impala police vehicle. It is located on the passenger side support strut
behind the rear wheel housing.
This junction block is split to provide two circuits and can be used to
connect customer-furnished equipment directly to the battery through
fusible links. A maximum of 100 amps (1200 watts) can be connected.
Torque the connections to the studs to 11 lb ft (15 m). It is fed by two
fusible links of 50 amps each.
To connect the customer-furnished equipment at the junction block, 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.
4. Set the time on the clock and radio pushbuttons as needed. See
“Audio Systems” in the Instrument Panel section of your Impala
owner’s manual for more information.
