It should be on the driver side fender... 2nd relay back.
You can find the 1991 Dodge Shadow thermostat in the thermostat housing. The thermostat housing will be on the front of the engine.
the horn relay is under the dash on the driver side along with two other relays.
Next to the battery.
The 1991 Dodge diesel truck glow plug relay is located in the fuse box. The fuse box is located behind the battery box. The glow plug relay will be in the right upper corner of the box.
Probably in the fuel tank
The 1991 Dodge Stealth fuel pump cutoff relay switch is located on the firewall in the engine compartment. You will find the relay switch on the drivers side of the engine compartment.
On a 1991 Dodge Shadow, the power window relay is typically located in the fuse box, which is found under the dashboard on the driver's side. You may also find it in the engine compartment fuse box, depending on the specific model. To identify the relay, refer to the fuse box cover for a diagram that indicates the location of the power window relay. If you're having trouble, consulting the vehicle's service manual can provide more detailed information.
I have a 93 Dodge Colt GL with the 1.8L engine and automatic transmission. The fuel pump relay is located behind the radio in the center console.
under the car by the passenger side rear wheel
Maybe on the top of the starter - follow the + battery cable it will connect to the starter relay (solenoid)
You have to specify which relay you want. Some are in the fuse box in the cab. Some are in the Distribution block in the engine compartment.
On a 1991 Dodge Dynasty, the solenoid relay is typically located in the engine compartment, near the battery. It is often mounted on the inner fender or on the relay box. To locate it more precisely, refer to the vehicle's service manual, which provides a diagram of the fuse and relay layout.