The heater blower motor speed resister is burned out.
Never mind figured it out
replace the key switch hope this works for you
To fix the ignition switch on a 1991 Mercury Cougar that is going past the start position, first disconnect the battery to ensure safety. Remove the steering column cover to access the ignition switch, then inspect the switch for wear or misalignment. If necessary, adjust the switch position or replace it if it's damaged. Reassemble the column, reconnect the battery, and test the ignition to ensure it operates correctly.
Yes. After inserting the key, turn it counterclockwise one click.
On a 1991 Pontiac Sunbird, the torque converter switch is typically located on the transmission, often near the valve body or attached to the transmission control module. It may also be found on the throttle body in some configurations, as it works in conjunction with the engine's throttle position. For precise location details, it’s best to refer to the vehicle's service manual.
To wire a power window for a 1991 Honda Accord, first, ensure you have the appropriate wiring harness and switch. Connect the window motor's two terminals to the power window switch; typically, one terminal connects to the switch's up position and the other to the down position. Then, attach the switch to a power source, usually the vehicle's battery, ensuring proper grounding. Finally, test the switch to ensure the window operates correctly in both directions.
Wiper motors have an internal switch that keeps the wipers running after you turn them off. The switch stays active until the wipers get to the "PARK" position and if the drivers wiper switch is off, then the wiper motor is turned off internally. I suspect the internal switch has failed. Unfortunately the switch cannot be easily replaced. Fortunately, wiper motors are not terribly expensive.
it could be a bad vacuum line or it could be the the throttle position switch
According to the wiring diagram, there is no inertia switch. There is only a relay switch in a 1991 Isuzu Trooper.
If the heater fan on your 1991 Caprice only works on "High" the problem is more than likely the resister assembly in your blower circuit or poor connections at the resister assembly. When the switch is in the "high" position the current does not flow through the resister assembly it flows directly to the coil of the blower relay. When the switch is in "low", "medium 1", or "medium 2" position the current flows through 1, 2, or all 3 of the resistors in the resistor assembly which results in the 3 different lower speeds. Check the resister assembly and replace if needed.
To remove the ignition switch from a 1991 Lexus LS400, first disconnect the negative battery terminal to ensure safety. Next, remove the steering column covers by unscrewing the screws holding them in place. Once the covers are off, locate the ignition switch, detach the wiring harness, and unscrew the switch from its mounting position. Finally, carefully pull the ignition switch out of the steering column.
In a 1991 Infiniti G20, the neutral safety switch is typically located on the transmission. It is mounted on the transmission's side and is connected to the shift lever mechanism. This switch prevents the engine from starting unless the transmission is in the "Park" or "Neutral" position. To access it, you may need to lift the vehicle and remove any necessary undercarriage coverings.