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

ELU3 - ELU Power



- Key OFF.

- Disconnect the ELU connector.

- Key ON.

- Measure the voltage on the "Y/GN" wire at the ELU connector.

- Is the voltage greater than 10 volts?

Yes -- Go to ELU4. ELU4 - ELU Ground

No -- Service the "Y/GN" wire between the ELU and the main relay.