Please ,post symptoms, and win. !
the corolla is same car, and the corolla forum has all this and zillions more facts.
The key switch is under the key , in the column center.
all relays are in the fuse boxes. front and cab .
post symptoms, we can help lacking that.
we could show photos all day of switches, relays, and fuses, but why?
SOURCE: 1990 geo Prizm fuse location for the heater blower
the heater blower motor is run through two fuses. the gauge fuse in fuse block 1 and the ac fuse in fuse block 4.
SOURCE: blower motor location 1990 geo prizm
In my 1992 it is underneath the dash on the passenger's side, but you have to take the whole front panel including the glove box off to access it. When that is done there is a rectangular housing and a more circular housing. On the bottom of the circular housing there are three screws that hold the blower motor up. Remove the screws and it will drop right out.
SOURCE: location of fuel pump relay on a 1990 Geo Prizm
under the hood in a fusebox near the firewall
SOURCE: fans dont come on. Where is the fuse box located?
There are 2 fuse boxes on a Geo Prizm. One is located in the interior of the car, on the drivers side, on the side of the dash, near the door. The other is located on the drivers side underneath the hood.
SOURCE: where is the fuel pump located in a 1990 geo
Electric Fuel Pump
REMOVAL & INSTALLATION
The electric fuel pump used on fuel injected Nova and Prizm cars is contained within the fuel tank. On 1988–92 models it cannot be removed without removing the tank from the car.
NOTE: Before removing fuel system parts, clean them with a spray-type engine cleaner. Follow the instructions on the cleaner. Do not soak fuel system parts in liquid cleaning solvent.
CAUTION
The fuel injection system is under pressure. Refer to the procedure above and release pressure slowly and contain spillage. Observe no smoking/no open flame precautions. Have a Class B-C (dry powder) fire extinguisher within arm's reach at all times.
1988–92
Fig. 2: Fuel tank components — 1989–92
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