I found mine on the back of the engine about mid way up. it was a pain to find, and i got a buddy to replace mine for me.
It rides piggy-back on the starter.
You can find the 1991 Nissan starter motor relay switch in the fuse box. The starter motor relay switch will be in the third column, second from the bottom.
diaphragm of 1991 Nissan sentra
The starter in a 1991 Nissan Sentra is located on the driver's side of the engine compartment. It is easily spotted down in the gap between the engine head and the air intake and battery areas... It looks like a fat cylinder at the top of the engine and transmission joining.
no
Your Nissan dealership can get one for you!
The 1991 Nissan Sentra GXE has a gas tank capacity of 13.2 gallons, and takes regular unleaded fuel. The Sentra was first produced in 1982.
Super Multiple Junction
The fuel pump relay on a 1991 Nissan Sentra is in the gas tank. To get to it you have to remove the back seat in the car and you will see a compartment that is at the top of the gas tank.
The starter relay can be found underneath the hood on a 1991 Nissan pickup. The starter relay is beside the battery on the passenger side.
grow a pair and get a life
It is a 13...