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Oil Pressure Gauge

  1. Disconnect oil pressure gauge wiring connector from sending unit inside the engine compartment. Connect a 12-volt test light between harness connector terminal and ground. Turn ignition on, but do not start engine. Test light should come on and gauge needle should move. If test light does not come on and gauge needle does not move, repair wiring to sending unit.
  2. If Test light comes on and gauge needle moves, remove instrument cluster from instrument panel and check continuity between terminals of oil pressure gauge. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. For location of oil pressure gauge test terminals, See Fig 1 -Fig 3 . See OIL PRESSURE GAUGE RESISTANCE SPECIFICATIONS table. If not within specification, replace oil pressure gauge.
OIL PRESSURE GAUGE RESISTANCE SPECS

Application Ohms
Eclipse 42
Montero 45-55
Pickup 37-47
Fig 1: Oil Pressure Gauge Resistance Test Terminals (Eclipse)
G91F01889Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 2: Oil Pressure Gauge Resistance Test Terminals (Pickup)
G91H01890Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 3: Oil Pressure Gauge Resistance Test Terminals (Montero)
G91J01891Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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