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Wipers on 93 E350 wont work ,replaced wiper motor and switch and checked fuse

Wipers will cycle when you first turn key on like they should but will not work when you turn switch on. I have checked fuse ,replaced wiper motor and multi switch

Posted by greg_jetton on

  • Marvin
    Marvin May 11, 2010

    U have guessed allot of expensive parts here, time for a wiper system functional self test at the dealer, yes it has a computer control module for all intents and you know..

  • blueextc3221
    blueextc3221 May 11, 2010

    sounds like the wiper relay has failed.

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5 Related Answers

jmassengill

Johnny Massengill

  • 345 Answers

SOURCE: Windshield Wipers

Under the cowl (it is a plastic piece that the windshield wipers come out of) are the wiper arms that connect to the wiper motor. There are plastic parts that hold the wiper arms to the wiper motor. Lots of time these plastic parts dry out and break and the wiper arm will fall off the wiper motor. I would bet if you tried to move one of the wipers by hand both of them would move with little resistance. This would tell me that the wiper arms are disconnected from the wiper motor. The parts to fix this are easy to get. I know the motormite HELP line of parts used to have the plastic bushings to fix this problem.

Posted on Nov 23, 2008

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Anonymous

  • 28 Answers

SOURCE: 2004 Sebring -- Opening the under hood fuse box.

put cold water over them not hot

Posted on Jan 19, 2009

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Anonymous

  • 14 Answers

SOURCE: 93 f250 wipers don't work. Changed wiper motor.

Switch is bad.

B

Posted on Sep 10, 2009

Anonymous

  • 2 Answers

SOURCE: Windshield wipers don't work but the motor runs . 93 Dodge Dakota

remove wiper arms and then you can raise the hood to remove screws that hold down the vent panel.
now carefully remove vent panel.

Posted on Jan 09, 2010

Anonymous

  • 6 Answers

SOURCE: Wipers will not park on 93 ford crown victoria

Hmmmm... if you replaced the motor you must have cleaned the area housing the arm mechanism. I had the same problem and found the problem to be in the arm assembly box on the firewall. Under the hood, triangular shaped box with snap on top was full of dirt, leaves and pine needles... I removed all the **** & my wipers now park as they should!!

Posted on Feb 12, 2010

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1 Answer

2007 Pontiac g6 wipers stay in upright position


Hey Derek , here is how the wipers park position is suppose to work !
Windshield wiper motor park operation is controlled by the body control module (BCM) using an input from the park switch within the wiper motor assembly. The BCM monitors the windshield wiper motor park switch circuit to determine if the windshield wiper blades are at the bottom of the glass. The circuit will be pulled to ground by the wiper motor park switch while the windshield wiper motor is operating. When the wiper switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the BCM will continue to operate the motor until the wipers reach the park position. If the ignition is turned OFF while the wipers are in mid-cycle, the wipers will stop immediately where they are. The BCM will park the wipers the next time the ignition is turned ON.
The wipers will not park when they are commanded ON and OFF with a scan tool. The BCM will park the wipers the next time the wiper switch is turned ON and OFF.
The BCM provides stall protection for the wiper motor by monitoring the park switch. If the park switch does not transition for 3 seconds while the wipers are operating, the BCM will assume that the wiper motor is stalled, and will de-energize the wiper relay until the wiper switch is cycled OFF and ON again.
Check for a voltage signal on the yellow wire at the wiper motor assembly , this is signal to the BCM ! If there is no signal you need to replace the windshield wiper motor assembly ? If there is a signal need to have Tech 2 scan tool hooked up to see if The BCM is the problem ! Relay #39 an #40 are the high an low wiper relays in the under hood fuse block ! Do you have a volt meter ,do you know how to do electrical testing ?

Sep 21, 2015 | Pontiac Cars & Trucks

2 Answers

Why don't the headlights, turn signals, and wipers work?


Check fuses. Replace the turn signal switch for the head lights. If the wiper fuse is good, Replace the turn signal switch first, then go after the wiper motor. Both run threw the turn signal switch.

Apr 03, 2015 | 1998 Volkswagen Beetle

1 Answer

Wipers stop in the middle of my wishield,will not park properly


Sorry , no adjustment .
Wiper/Washer System Components
The Wiper / Washer System consists of the following components:
• Windshield wiper / washer switch
• Windshield wiper system module / motor
• Windshield washer fluid pump
• Windshield washer fluid level switch
• WPR 25A fuse
Wiper / Washer System Operation
The windshield wiper motor module is part of the windshield wiper motor cover and controls the wiper motor operation. The windshield wiper motor is a 2 speed motor. Windshield wiper DELAY operation is a low speed wiper motor function with a variable delay interval between the wipe cycles. The DELAY interval is controlled through a series of resistors within the wiper / washer switch.
Park Position Operation
When the windshield wiper / washer switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the wiper motor module will continue to operate the wiper motor until the wipers reach the park position. If the ignition is turned off while the wipers are in mid-cycle, the wipers will stop immediately where they are. The wipers will park the next time the ignition is cycled to the ON position.

Do you know how to do diagnostic's ?

Wipers Blades Do Not Park
Step
Action
Yes
No
Schematic Reference: Wiper/Washer Schematics
Connector End View Reference: Wiper/Washer Connector End Views
DEFINITION: This table diagnoses the wipers operate normally but will not return to the park position when the wiper operation is cancelled.
1
Did you perform the Diagnostic System Check - Vehicle?
YES - Go to Step 2
NO - Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
Turn ON the ignition, with the engine OFF.
Move the wiper switch to the LO position.
Move the wiper switch to the OFF position.
Do the front wipers advance to the park position?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3
3
Turn the ignition switch to the RUN position.
Turn the wiper switch to OFF.
Disconnect the wiper/washer switch connector.
Do the wipers park?
YES - Go to Step 7
NO - Go to Step 4
4
At the wiper/washer switch connector, measure the voltage of the windshield wiper switch signal 2 circuit.
Does the voltage measure greater than 1.0 volts?
YES - Go to Step 5
NO - Go to Step 8
5
Reconnect the wiper/washer switch connector.
Disconnect the wiper motor connector.
Measure the voltage of the windshield wiper switch signal 2 circuit.
Does the voltage measure greater than 1.0 volts?
YES - Go to Step 6
NO - Go to Step 8
6
Repair a short to battery positive voltage in the windshield wiper switch signal 2 circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
YES - Did you find and correct the condition?
NO - Go to Step 9
--
7
Replace the wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column - Tilt.
YES - Did you complete the replacement?
NO - Go to Step 9
--
8
Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .
YES - Did you complete the replacement?
NO - Go to Step 9
--
9
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2

Jan 31, 2018 | 2005 Buick Century

1 Answer

Where is the wiper relay


A wiring diagram doesn't show a relay, just a 25 amp fuse in fuse panel under driver's side of dash. Intermittent working is usually from a loose or poor or corroded connection, or the switch is old and tired, or the motor is old and tired.
Here is one way to check, if you have a test light: when the wipers are not working with wiper switch on high, and key is on, pull off the connector to the wiper/washer motor module (in the engine bay, on the firewall) and check if the purple wire has power. If it does, you probably need to replace the module. Inside the module is a park relay switch (to return wipers to down position when turned off) and a circuit breaker between the motor and ground.
If the purple wire does not have power when key is on and wipers on high, the connection is lost between the switch and the module, or the switch may be malfunctioning. The switch has 5 wires, white wire from 25 amp fuse (power in to switch), a pink wire (for the washer motor), a purple wire (high speed wipers), a dark green wire (low speed wipers), and a gray wire (for the park relay switch inside the wiper/washer motor module). If you see a yellow wire also at the module, that is part of the low speed wiper circuit (the dark green wire) coming from the park relay switch and then to the motor.
Good luck. Post back if further questions, or need more help.

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1 Answer

Front Wipers - not working


If you can move the wiper blades by hand, you probably broke-stripped the gear in the wiper motor.

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1 Answer

Windshild wipers stop working


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1 Answer

Can know one solve the problem of the wipers on 96 plymouth voyageur why they will not come on the back one work fine have tried new motor new fuses and cant find the problem would appreciate if someone...


system should have a wiper relay in fuse panel,can a audible click be heard from dash area or arround fuse panel or exterior of firewall/engine compartment when wipers are turned on,if not locate relay (see owners manual) and check for power at relay with key on first then check for power out of relay when wiper switch is turned on,fuse should put power to relay when key is on,relay should put power to wiper motor when wiper switch is turned on

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4 Answers

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Check for a loose fuse or loose wiring to the wiper. Also check for tight ground connection at the motor. The 'park' switch which completes each cycle may be intermittent. It might be a worn switch at the steering wheel.

Aug 25, 2009 | 1996 Chevrolet C1500

1 Answer

Wipers wont work


1.  Turn on your wipers and pop your hood.   2.  If you hear you wiper motor, then you do not need to check your fuses. 3.  If your wiper arms are moving freely, then your linkage from the wiper arms to the motor is disconnected and possibly broken.   4.  If the problem is electrical, do the following:      1.  Check the fuse, and check for power at the fuse.      2.  Check the wiper motor for ground. For a complete circuit, you need power going in and ground               coming out.  Check electrical connections for corrosion or poor connections.       3.  Get a wiring schematic and trace power to the wiper motor starting at the fuse box in the                       following order:           Fuse box           wiper switch           wiper motor      4.  In the rarest of cases a wiper motor or wiper switch is at fault.  I do not recommend replacing                 anything unless you have proof that the part is faulty. (ie. power going into the switch but nothing           coming out.)       

Dec 21, 2008 | 1992 Honda Accord

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