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

O/D Main Switch & O/D Off Indicator Light Circuit

O/D Main Switch & O/D Off Indicator Light Circuit

CIRCUIT DESCRIPTION
The O/D main switch contacts go off when the switch is pushed in and come on when it is pushed once again.
In O/D main switch OFF position, the O/D OFF indicator lights up, and the ECM prohibits shifting to over-drive.

WIRING DIAGRAM

INSPECTION PROCEDURE

Step 1:

Step 2:

Step 3:

Step 4:

O/D OFF indicator light does not light up.

Step 1:

Step 2:

O/D OFF indicator light remains ON