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

Fuel Pump Relay

Voltage tests:
Voltage at terminalBK/Y Battery Voltage
Voltage at terminal R Batatery Voltage

Resistance test:
With battery voltage applied to
terminals 85 and 86 Continuity at terminals 30 and 87
With NO battery voltage applied to
terminals 85 and 86 NO Continuity at terminals 30 and 87