Operation CHARM: Car repair manuals for everyone.
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 The Signal From Tailgate Switch




Checking The Signal From Tailgate Switch







- Ignition on.
- Truck lid/tailgate open

Read off the tailgate switch status.
The value should be LOW when the tailgate is open.

Is the value LOW?

Yes - Test complete

No - Checking the Connectors