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

M/T Only

PURPOSE
To inform the Engine Control Module (ECM) of gear position.

OPERATION
The Neutral Position Switch sends a signal to the ECM when NEUTRAL is selected. This is to prevent the engine from dying during fuel-cut on deceleration.