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: location of fuel pump relay in 1990 ford mustang
inside the engine compartment with the main fuses
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 heater blower relay on '92 Accord
If the fuse is good,check to see if there is voltage to the blower motor,if there is,replace the blower motor.Sometimes,not always,if you bump the blower motor,it will start working,if this happens,then the blower motor is bad,if it does not,the fan switch could be bad,but the relay is usally near the blower motor.Testing it with a test light is the best way to test it,ground one end of the test light,the other end has a point on it.Use the piont of the test light to touch all the legs on the relay,with the key on,and the fan on high.The test light will light up,on almost all the legs,but it will also activate the relay when you touch the right leg of the relay,the relay needs to stay plugged up as you do this.If you can not access the legs of the relay,because of a skirt on the relay,push the point of the relay into the wire that you are testing,or into the plug,near the leg of the relay.The legs I am refuring to,are the prongs on the relay.If the relay clicks and turns the fan on,when you touch the right one,then the fan,and the relay are good,it will be the blower fan switch.Now if you already have high,blower fan,and the lower speeds are the problem,replace the blower resister,It is mounted right next to the blower motor,and has about 7 wires plugged into it.
SOURCE: where is the fuel pump relay on a 1992 ford tempo?
The fuel pump relay is part of a large relay control unit called the IRCM (intagrated relay control module)
The module is about 6"x4"x2" and has gobs of wires (large retangular connector) coming out of it, the module is mounted on a bracket under the hood that is bolted to the top of the driver's side front strut tower, this module can be self tested by a dealer to see if it is bad, they seldom fail, I am a Ford dealer tech and have only replaced 2 in 20 years, Tempo does however have a fuel pump issue..
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