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Wipers Variable speed wipers won't work. Normal operation is fine. Is there a control module that can be replaced for variable speed control. If so, where is it?

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  • Stnknlincn Jul 07, 2008

    I have the same problem after I replaced a dead motor.

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2 Suggested Answers

reisdos
  • 1297 Answers

SOURCE: Cooling fans run all the time could it be the

sure... as well as a defective CTS (coolant temp sensor)

your vehicle has two... one for the gauge and one for the engine

most of the time the one for the engine is defective or disconnected

another possibility is the computer might think the a/c is on too

Posted on May 19, 2010

duane_wong
  • 6826 Answers

SOURCE: I replaced the wiper control module and while I

Perhaps, you could remove the arms and reset them, but, I am curious, did you replace the 'windshield wiper motor?' I was always taught that if the wiper arms did not come to rest in the right resting place, that the wiper motor was at fault.

Good luck on this repair.

Posted on Feb 05, 2011

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What is the definition for controlled variable?


You have either constants or variables. Constants are things that does not change. Time is a constant - you can't move forward or backward in time.
Variables are parameters that change. Some variables are fixed, others can be controlled.
A controlled variable is a variable that can be changed at will or according to circumstance.
For example, if you have a radio with a fixed coil / tuning capacitor which can receive only one station, the variable (radio stations) cannot be controlled, it is fixed, therefore a fixed variable. A normal radio can be tuned to different stations, therefore a controlled variable.
The engine on a car has a controlled variable speed. A normal light bulb is controlled by a fixed voltage, until you build in a dimmer switch, which now makes the voltage variable, and controlled.

Nov 07, 2014 | Cars & Trucks

1 Answer

Engine light came on and car is over heating. Took it to auto zone and was told it's the fan relay. Its a 2003 PT Cruiser, Turbo. I opened the fuse box under hood. There are 3 spots for relays in there...


Turbo Radiator Fan

The radiator cooling fan is a variable speed electric motor driven fan. The radiator fan assembly includes an electric motor, fan blade, and a support shroud that is attached to the radiator. The radiator fan is serviced as an assembly (fan motor/fan/shroud).

The variable speed radiator fan is controlled by the Powertrain Control Module (PCM) by way of a Pulse Width Modulated (PWM) signal. The duty cycle ranges from 30% for low speed operation then ramps-up to 100% for high-speed operation. This fan control system provides infinitely variable fan speeds, allowing for improved fan noise, A/C performance, better engine cooling, and additional vehicle power.

To control radiator fan operation, the PCM looks at inputs from:

Engine coolant temperature
A/C pressure transducer
Ambient temperature
Vehicle speed
Transmission oil temperature (automatic transmission only

HENCE CHECK THE PCM

Jun 26, 2011 | 2003 Chrysler PT Cruiser

2 Answers

My windshield wipers will not work on variable speed. Only the fast and slow speeds work and when switched to the variable speed position they stop instantly in middle of the windshield. Replacing the...


Alarm control unit has a chip in that controls the delay wipers, this chip cost about 2 dollars, but it has to be sodered in. the whole box cost about 200 dollars. It is located behind the glove box on above the right kick plate ive been told. chip can be bought from mouser.

Dec 09, 2009 | 2002 Isuzu Rodeo

1 Answer

1996 thunderbird 4 6 power brakes and power steering fades in and out while driving"


This may be your problem.


FORD: 1994-96 THUNDERBIRD LINCOLN-MERCURY: 1994-96 COUGAR ISSUE: Steering efforts at low speeds may intermittently increase to the heavier for highway setting on some vehicles. This is due to electrical "noise" from the Vehicle Speed Sensor (VSS) being picked up by the Electronic Variable Orifice (EVO) module. The EVO module then interprets this as an increase in vehicle speed and reduces the steering assistance to the heavier for highway level.
ACTION: Replace the EVO module with a new module that has improved filtering for electrical noise. Refer to the following Service Procedure for details.
SERVICE PROCEDURE Replace EVO module (F6SZ-3F712-BB). Locations are as follows:
  • On 1994-95 vehicles, the EVO module is located under the package tray in the trunk.
  • On 1996 vehicles, the EVO is located under the heater blower case on the passenger side.
Refer to Section 11-02 of the appropriate year Thunderbird/Cougar Service Manual for additional diagnosis and repair information.

PART NUMBER PART NAME F6SZ-3F712-BB Electronic Variable Orifice Module OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under The Provisions Of Bumper To Bumper Warranty Coverage
OPERATION DESCRIPTION TIME 960402A Replace Electronic Variable Orifice (EVO) Module - 1994-95 Thunderbird/Cougar 0.5 Hr. 960402B Replace Electronic Variable Orifice (EVO) Module - 1996 Thunderbird/Cougar 0.3 Hr.

May 25, 2009 | 1996 Ford Thunderbird LX

1 Answer

Distributor just replaced, now wipers will not shut off


Have the vehicle checked for code on the BCM. The body control module may be bad.

Mar 28, 2009 | 2000 Chrysler Sebring

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