Nuje
Top Post Dawg
- Joined
- Feb 11, 2005
- Location
- Island near Vancouver
- TDI
- 2015 Sportwagen; Golf GLS 2002 (swap from 2L gas); 2016 A3 e-tron
Coming off the negative post of the battery, there's a grounding point underneath the battery - not wholly uncommon for that to get badly corroded, such that your charging circuit may be interrupted. (?)