First, to replace this cable of the battery of the auxiliary battery you need to lift the vehicle. Remove the negative cable from the battery truck and the auxiliary battery and take off the frame negative ground leads. Next, remove the negative head from the car's battery. To install, attach the battery negative cable onto the vehicle while following the fastener notice in service precautions. Reconnect the negative ground leads to the frame, tightening to 10 n.m (89 lb in). Then, connect the negative cable of the battery to the auxiliary battery by tightening the bolt with 15 n.m (11 lb ft). Finally, lower the vehicle.