LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mitsubishi >> 1989 >> Precis Base >> Repair and Diagnosis >> Engine Mechanical >> Engine Cooling Fan >> System Testing >> GALANT & Sigma
April 5, 2026: LEMON Manuals is launched! Read the announcement.

GALANT & Sigma

With ignition on and engine coolant temperature greater than 194°F (90°C) on Sigma or 185°F (85°C) on all others, thermosensor completes the ground. This closes the contacts on radiator fan motor relay and provides current to the radiator fan. See Fig 1 and Fig 2 .

Fig 1: Galant Radiator Cooling Fan Wiring Diagram
G90B08822Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 2: Sigma Radiator Cooling Fan Wiring Diagram
G90D08823Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.