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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Pump Relay

PUMP RELAY

CHECK OPERATION

WARNING: The fuel system remains under pressure when the engine is not running.
Release fuel system pressure before disconnecting any fuel line to reduce the chance of personal injury or fire damage to vehicle components.


Listen for fuel pump relay clicking as ignition switch is turned "ON".

CONTINUITY INSPECTION




Check continuity between relay terminals.