LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2003 >> H2 V8-6.0L >> Repair and Diagnosis >> Starting and Charging >> Battery >> Battery Cable >> Negative >> Service and Repair >> Battery Negative Cable Disconnect/Connect Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Battery Negative Cable Disconnect/Connect Procedure

BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE (SINGLE BATTERY)

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.




1. Turn off all the lamps and accessories.
2. Turn the ignition OFF.
3. Remove the battery ground negative cable and bolt from the battery.

INSTALLATION PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

IMPORTANT: Clean any existing corrosion from the battery terminal bolt flange and the battery cable end.




Install the battery ground negative cable and bolt to the battery.

Tighten
Tighten the battery terminal bolt to 17 N.m (13 lb ft).