On Eclipse and Galant, remove fuel pump relay. On all vehicles except Eclipse and Galant, remove fuel pump relay or disconnect fuel pump wiring harness connector. For fuel pump relay location, see FUEL PUMP RELAY LOCATION table. On Montero Sport, locate fuel pump wiring harness at fuel tank. On Montero, remove cargo compartment carpet and floor cover to access fuel pump wiring harness connector. On Diamante and Mirage, remove rear seat cushion and lift carpet, or remove floor plate, to access fuel pump wiring harness connector.
Start engine. Let engine run until it stops. Turn ignition off. Disconnect negative battery cable. Install fuel pump relay, or reconnect fuel pump harness connector.

FUEL PUMP RELAY LOCATION

Application

Location

Diamante

⁽¹⁾ Under Console, Forward

Eclipse

⁽²⁾ Left Side Engine Compartment

Galant

⁽²⁾ Left Side Engine Compartment

Mirage

⁽³⁾ Behind Left Center Of Instrument Panel

Montero

⁽⁴⁾ Behind Right Side Of Instrument Panel

Montero Sport

⁽⁵⁾ Right Side Kick Panel

⁽¹⁾

⁽²⁾	See Fig 2.

⁽³⁾	See Fig 3.

⁽⁴⁾	See Fig 4.

⁽⁵⁾	See Fig 5.

Fig 1: Locating Fuel Pump Relay (Diamante)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Relieving Fuel Pressure