upper rear right corner of the radiator and/or attached to the radiator hose.
If it has an electric cooling fan in front of the radiator, the relay is a black rectangular 4 pin located on the bracket next to the left shock tower. If you are asking about a relay for the blower fan in the car, there is no relay
you do not have a relay for a fan belt. just change them.
The cooling fan relay switch can be located on the back of the cooling fan motor. The relay switch should be labeled as such.
Behind the center console to the left of blower.
under the dash, driver side
by changing it.
The 1991 Volvo brake light relay switch is located beneath the drivers side dashboard. The brake light relay switch will be above the brake pedal.
It is in the center dash, behind the panel in the left side footwell.
The heater/AC fan has no relay just a switch. The Radiator fan relay is mounted next to the battery. It has 2 plugs and starts based on radiator temp and AC pressure.
It is the Volvo fuel injection relay . It provides the ground path for the fuel injectors. According to info I found, Volvo 1323592-1 is used as a cooling fan relay and as a noise suppression relay.
Remove the fuse from the fuse box. Or remove the relay.
On top of the radiator under a black plastic shield.
Driver side, near the center, under the dash