I have a 95 Olds 88 and it's on the passy side behind the glove box in relay panel. You can pop gove box out or remove kick panel and access it from there. Hope this helps!
In the fuel tank.
In the fuel tank. Electric.
Check the fuel pump fuse & relay.
In the fuel tank.
You must remove the fuel tank.
In the gas tank you have to drop the tank out to get to it
If the car is fuel injected (not sure for 1991) then the fuel pump is in the gas tank.
On my 1995 Olds 88 the pump and relay are on top of the gas tank.
On my 1995 Olds 88 the pump and relay are on top of the gas tank.
I was having trouble with my fuel pump on my 96 88. after researching I found that the grounds connect at a busground under the carpet on the drivers side. It is a black bar with a blue cover onit.
pass. side panel behind the glove box
GM vehicles do not use inertia/reset switches.