Connect the to the Negative (-) battery post (or to the vehicle chassis if the battery is still in the car, following your vehicle's specific grounding instructions). Step 3: Powering Up
: If the unit has no power, check for a broken trace or internal fuse, though there are typically no user-serviceable parts inside. bosch kl 1208 battery charger manual
A: Only if you have electronics experience. Common failures are dry solder joints, a failed capacitor (usually a 2200uF 25V unit), or a broken timing IC (LM555 or equivalent). However, given the low cost of used units on eBay or Craigslist, replacement is safer. Introduction Black Clamp Connect the to the Negative