Connect the (+) terminal clamp to the positive terminal of the battery.
Even for an experienced mechanic, the KL 1208 manual provides critical details that are not obvious from the relay itself: bosch kl 1208 manual
As the battery absorbs charge and its voltage rises, the current demand drops. The needle will slowly drift down toward zero (typically settling around 1A to 2A). When the needle stops dropping for several hours, the battery is fully charged. Step 6: Disconnecting the Charger Connect the (+) terminal clamp to the positive
Poor connection, a blown internal fuse, or a completely dead battery. a blown internal fuse