RV Electrical & Battery Systems: Complete Guide
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
Master your RV electrical system from house batteries to shore power. Covers 12V DC, 120V AC, inverters, and charging.
Essential guide for Ford E-Series Class C motorhome chassis covering suspension, maintenance, and common issues.
On 1991 E350, battery ground typically terminates at engine block near starter or frame rail under battery. The fender tie is likely a routing point - continue tracing to find actual ground bolt. Clean to bare metal and use proper gauge cable for replacement.
Your 1991 E350's symptoms don't clearly indicate oil pump failure - the consistently low oil pressure combined with low operating temps suggests possible gauge issues or sending unit problems rather than pump failure.