Beretta L4-138 2.3L DOHC QUAD 4 (1991)
Radiator Cooling Fan Motor Relay: Description and Operation
Relay Center
All electric cooling fans operate when engine coolant temperature exceeds a certain value. The ECM will complete the ground for the coolant fan relay
when it monitors engine temperature above a certain value or when the A/C is turned "ON." Also in some cases the vehicle speed must be below a
certain mph.