GM 20940447
Negative Cable

Start by disconnecting the negative Battery Cable before you can replace the battery negative cable extension cable. Before installation begin by taking out the air cleaner assembly while unclipping the engine wiring harness from the battery negative cable extension cable clip. First take out the ground bolt on the battery negative cable extension cable from the Cylinder Head before moving the extension cable terminal away from this position on the Cylinder Head. Begin by removing the battery negative cable extension cable ground bolt from the left wheelhouse panel upper reinforcement. Next, remove the battery negative cable extension cable clip from the left upper engine compartment support bracket and the clip from the front compartment side rail. Remove the battery negative cable extension cable from its stored position inside the engine compartment. Reinstall the extension cable into the engine compartment while positioning the ground bolt onto the left wheelhouse panel upper reinforcement so it achieves 58 nm (43 lb ft) torque. Attach the battery negative cable extension cable clip to the left upper engine compartment support bracket while clipping the other end to the front compartment side rail. Thread the battery negative cable extension cable terminal to the Cylinder Head and install the ground bolt to the Cylinder Head. Tighten it to 58 nm (43 lb ft). After attaching the engine wiring harness to its position on the battery negative cable extension cable clip insert the air cleaner assembly then reconnect the negative Battery Cable.

Ensure all lamps and accessories are turned OFF, the ignition switch is in the OFF position, and the key is removed.

Remove the battery negative cable extension cable clip from the left upper engine compartment support bracket and clip from the front compartment side rail, then take out the battery negative cable extension cable from the engine compartment.

Connect the battery positive junction block cable terminal to the generator stud, tightening the nut to 22 Nm (16 lb ft).

Position the battery negative cable extension cable terminal.

Close the accessory wiring junction block cover, install the positive battery cable clip to the multiuse relay bracket, and finally reconnect the negative battery cable.

Reconnect the negative battery cable.

Remove the battery positive junction block cable clips.

Take off the battery negative cable extension cable clip from the left upper engine compartment support bracket and the battery negative cable extension cable clip from the front compartment side rail.

Ensure the positive battery cable grommet is seated through the dash panel.

Disconnect the body wiring harness electrical connector from the negative battery cable electrical connector.

Next, disconnect the body wiring harness electrical connector from the negative battery cable electrical connector and remove the negative battery cable ground bolt.

Push the positive battery cable grommet through the dash panel.