Charger Connected to Engine or Chassis Ground - Preferred Method
WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use the combination battery charger and battery tester/analyzer GR 1 190 V3.0 Intelligent Diagnostic Charger or equivalent to charge the battery.
- Connect the positive (red) charger clamp to the positive battery post.
- Connect the negative (black) charger clamp to the negative battery ground cable stud bolt or the engine.
- Charge the battery according to the battery charger owner's literature.