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Home >> Mercedes Benz >> 2003 >> S600 >> Repair and Diagnosis >> Electrical >> Fuses & Circuit Breakers >> Fuses/Relays, Network, Sensors & Switches - Basic Knowledge -- 215 & 220 Chassis >> Basic Knowledge >> Fuel pump relay, location/task/design/function - GF54.15-P-4105 >> Fuel pump relay, location/task/design/function - GF54.15-P-4105AM >> Fuel pump relay, function - GF54.15-P-4105-02AM

Fuel pump relay, function - GF54.15-P-4105-02AM

If the relay is actuated by the ME-SFI [ME] control unit (N3/10) by a ground signal at "circuit 86", it closes its power contact. When the power contact is closed the fuel pump control unit (N118) and the Fuel pump(s) (M3) are connected via "circuit 87" with voltage from "circuit 30".

IMPORTANT The two fuel pumps are connected in parallel on model 211, 219.

Fig 1: Identifying Fuel Pump Relay With Circuit Diagram
G04849611
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