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)

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Main Relay (Computer/Fuel System): Locations





In the E-box at the right rear of the engine compartment.

#1 = DME main relay
#2 = Fuel pump relay
#3 = Oxygen sensor relay

NOTE: Depending on the model of the car, the installation for the relays may differ. When in doubt, extract different relays to check whether the desired function-interrupt has been achieved.