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Home >> Mercedes Benz >> 2000 >> SL600 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Fuel Pump Tests >> Current Consumption

Current Consumption

Disconnect fuel pump relay (K27). Fuel pump relay (K27) is located in right front corner of trunk. Connect a ammeter between relay sockets No. 1 and 3. Turn ignition on. Amperage should be 4-9 amps. If amperage is within specification, test is complete. If amperage is not within specification, possible cause is fuel pump defective. Repair as necessary.