Unlike modern chargers with "Full" green lights, the Bosch KL 1208 requires you to read the analog gauge:
Use a wire brush to remove corrosion from battery posts to ensure a solid connection. 3. How to Use the Bosch KL 1208 (Step-by-Step) Step 1: Connect the Clamps With the charger unplugged from the wall outlet: bosch kl 1208 manual
This could mean the battery is already full, the fuse is blown, or the battery is "sulfated" and refusing to accept a charge. Unlike modern chargers with "Full" green lights, the
High-impact plastic housing with integrated cable storage. 2. Safety First: Pre-Charging Checklist the fuse is blown
If the needle doesn't drop after several hours, the battery may have a shorted cell and should be replaced. 5. Maintenance and Troubleshooting