Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Checking System Grounds

Checking Engine Ground Connections

Before checking On-Board Diagnostic system with Scan Tool, or before checking wiring or replacing components, check the following Ground (GND) connections for corrosion and damage; clean, repair or replace as necessary:
- GND connections on intake manifold and on right engine support.
- Battery GND strap.