Question about 1994 Chrysler Town & Country

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Windshield wipers dont work

On my 94 town and country the windshield wipers dont work, there is no voltage to the motor at any speed setting, as I change settings in the speed control there is a clicking under the dash.( I assume switch is working and good fuse) Any Ideas?

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  • Anonymous Mar 31, 2014

    wipers will stop mid window and start on their own. doesn't seem to matter what speed they are set at.

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  • Chrysler Master
  • 6,674 Answers

Fuse # 5 in your panel should be a 20amp fuse, which provides power to wipers. Not 100% sure, but would bet there is a relay in that circuit before motor. Try to feel/hear, exactly where clicking is coming from. It is usually easy to simply narrow the click noise area down, then set finger lightly on relays, and feel it when it clicks. Pull it out & have tested or replace.

Posted on Feb 20, 2009

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1 Answer

How do I find out if the wipers on my 2006 H3 Hummeris on a relay?


The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper micro relay
• Wiper 2 relay
• Wiper diode
• Windshield wiper motor
• Windshield washer pump
• Windshield washer nozzles
• Windshield washer solvent container
• Windshield wiper arm and blade assemblies
• Windshield wiper transmission
• WIP/WASH 10A fuse
• WIPER 25A fuse

Wiper/Washer System Description
The body control module (BCM) controls wiper motor low speed operation. The washer pump and high speed operation are controlled directly by the wiper/washer switch. The windshield wiper/washer switch supplies voltage on the signal circuits to the BCM for windshield wiper/washer operation. When WASH, MIST, DELAY, LOW, or HIGH is detected, the BCM energizes the wiper micro relay by suppling voltage to the relay coil. This allows battery voltage from the WIPER fuse to flow through the relay switched input then through the contacts and out the relay switched output to the wiper 2 relay switch contacts. Since the wiper 2 relay switch contacts are normally closed to the low speed circuit of the windshield wiper motor, the motor will operate at low speed.

Low Speed Operation
When the wiper switch is in the Low position, voltage is supplied through an internal resistor to the signal circuit. The body control module (BCM) monitors the windshield wiper switch signal 1 circuit, and energizes the wiper micro relay which will operate the windshield wiper motor. The wiper motor will operate at low speed, since the wiper 2 relay is de-energized. Low speed can also be commanded with a scan tool, by commanding Wiper Relay Cmd. ON and OFF. Refer to Scan Tool Output Controls .
High Speed Operation
In the High position, the windshield wiper/washer switch supplies voltage to both the wiper micro relay and wiper 2 relay coils. This energizes both relays and allows battery voltage from the wiper micro relay switched output to the switched input of the wiper 2 relay through its contacts and out the switched output of the wiper 2 relay to the high speed circuit of the windshield wiper motor. The windshield wiper motor will operate at high speed. During high speed wiper motor operation the wiper switch signal circuit is at the low speed signal voltage, and the body control module (BCM) supplies redundant voltage to the wiper relay via the wiper diode.

This info is out of hummer factory service manual !

Dec 10, 2016 | 2006 Hummer H3

1 Answer

2003 Pontiac Montana wipers not working how to fix


First you need a wiring diagram, free at http://www.bbbind.com/free_tsb.html Then you need a DVOM - digital volt ohm meter to test the circuit . Then if your not familiar with automotive electrical systems testing ,go on youtube an check out Electric Testing Techniques You Need to Know Also having a factory diagnostic trouble shooting chart would also be usefull . You could just start replacing parts , you mite get lucky . The wiper motor is a high fail part , so is the switch ..You could find the fuse is blown ! But fuse's don't usually blow without a reason . Short to ground , low resistance . ( high current flow) Also knowing how they work and what all is involved in making them work.
The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Windshield wiper motor module
• Windshield wiper motor
• Windshield washer pump motor
• FRT/WPR/WSHR 25A fuse

Wiper/Washer System Operation
The windshield wiper motor module is part of the windshield wiper motor cover and controls wiper motor operation. The windshield wiper motor is a 2 speed motor and is operated at low speed in all modes except HIGH. The accessory voltage supply circuit to the windshield wiper motor assembly is used to operate the wiper motor in all of the low speed modes. The accessory voltage supply circuit to the windshield wiper/washer switch is used to supply the windshield wiper switch signal circuits and the wiper motor high speed circuit.
When the wiper/washer switch is in the LOW position voltage is supplied through a 24K ohm resistor within the switch to the windshield wiper switch signal 2 circuit, and accessory voltage is supplied to the windshield wiper switch signal 1 circuit. The reduced voltage from the wiper switch signal 2 circuit and accessory voltage from the wiper switch signal 1 circuit causes the wiper motor module to close the wiper motor accessory voltage supply circuit to the wiper motor low speed terminal.
Windshield wiper/washer system MIST operation is identical to LOW operation except that the MIST switch is a press and release type. When the wiper switch is moved to the MIST position and released, low speed wiper motor operation is started and will continue until 1 cycle is complete. If the wiper switch is moved to the MIST position and held, the windshield wiper motor will operate in the LOW mode until the switch is released.

Don't the wipers work in any mode ?
1
Did you review the Wiper/Washer System description and operation and perform the necessary inspections?
YES - Go to Step 2
NO - Go to Symptoms - Wiper/Washer Systems
2
Turn ON the ignition , with the engine OFF.
Operate the windshield wiper/washer switch through all the switch positions.
Does the windshield wiper/washer system operate normally?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3
3
Turn OFF the ignition.
Disconnect the harness connector of the windshield wiper motor.
Turn the ignition ON, with the engine OFF.
Connect a test lamp from the accessory voltage circuit of the windshield wiper motor to a good ground.
Does the test lamp illuminate?
YES - Go to Step 4
NO - Go to Step 13
4
Connect a test lamp from the accessory voltage circuit to the ground circuit of the windshield wiper motor.
Does the test lamp illuminate?
YES - Go to Step 5
NO - Go to Step 14
5
Connect a test lamp from the signal 2 circuit of the windshield wiper switch to a good ground.
Press the windshield washer switch.
Does the test lamp illuminate?
YES - Go to Step 11
NO - Go to Step 6
Let me know if you make it this far and i will send rest of diagnostic's

Nov 25, 2016 | 2003 Pontiac Montana

1 Answer

Wipers in up position in off. 94 lincoln town car. How do the wipers return to rest position?


Do you know how to do electrical testing ?
PINPOINT TEST E: WINDSHIELD WIPERS WILL NOT PARK AT PROPER POSITION E1 CHECK WIPER MOTOR GROUND
  • Disconnect connector from windshield wiper motor.
  • Check continuity to ground at Circuit 57 (BK).
Is ground OK? Yes No GO to E2 . SERVICE open in Circuit 57 (BK). RESTORE vehicle. RETEST system. E2 CHECK FOR POWER AT WIPER MOTOR
  • Place ignition switch at RUN and multi-function switch at OFF.
  • Check for battery voltage between Pin 1, Circuit 65 (DG) and Pin 4, Circuit 57 (BK) at the windshield wiper motor connector.
Is B+ present? Yes No GO to E3 . SERVICE open circuits. RESTORE vehicle. RETEST system. E3 CHECK MOTOR CIRCUIT CONTINUITY THROUGH WINDSHIELD WIPER CONTROL MODULE
  • With multi-function switch at OFF, check continuity between Circuit 28 (BK/PK) and 56 (DB/O) and between Circuits 61 (Y/R) and 63 (R).
Is continuity OK? Yes No GO to E5 . GO to E4 . E4 CHECK CIRCUITS TO WIPER CONTROL MODULE
  • Disconnect wiper control module connector.
  • Check continuity of Circuits according to the chart below from the wiper motor to the wiper control module.

    Wiper Control Module Connector Wiper Motor Connector Pin Circuit Pin 6 Pin 2 28 (BK/PK) Pin 8 Pin 6 56 (DB/O) Pin 12 Pin 5 61 (Y/R) Pin 13 Pin 3 63 (R)
Is continuity present? Yes No REPLACE wiper control module. RESTORE vehicle. RETEST system. SERVICE open circuits. RESTORE vehicle. RETEST system. E5 CHECK WIPER MOUNTING ARM/PIVOT SHAFT
  • Check that windshield wiper mounting arm and pivot shaft and linkage is not bent, cracked or mis-positioned.
Is windshield wiper mounting arm and pivot shaft linkage OK? Yes No REPLACE windshield wiper motor. RESTORE vehicle. RETEST system.

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Windshield wipers work but interminent settings don't


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  • Windshield Wipers Continue to Run When Turn Signal and Windshield Wiper Switch Are Turned OFF
  • Damaged turn signal and windshield wiper switch .
  • Damaged windshield wiper motor .
  • Damaged windshield wiper control module.
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Pin Number Circuit Circuit Function 1 57 (BK) Wiper Motor Ground (Park) 2 28 (BK/PK) Wiper Module to Wiper Motor (Park Switch) 3 65 (DG) Wiper Motor Power (Park Feed) 4 61 (Y/R) Wiper Motor Common (RUN) 5 56 (DB/O) Wiper Motor LO 6 58 (W) Wiper Motor HI
Windshield Wiper System The windshield wiper system consists of :
  • Windshield wiper motor (17508) (F-type).
  • Washer system.
  • Windshield wiper control module.
  • Turn signal and windshield wiper switch (13K359).
The windshield wiper control module is:
  • Located at the instrument panel fuse panel.
The windshield wiper motor is:
  • Attached to the cowl top extension (021A36) .
  • Connected to windshield wiper mounting arm and pivot shaft (17566) .
The turn signal and windshield wiper switch features a:
  • Rotary wiper switch.
  • Push type washer actuator.
OFF/Low/High Speed
  • Has a two-speed, permanent magnet, three brush electric windshield wiper motor .
  • The windshield wiper motor has a brush rigging that permits selection of low or high speed.
  • When the turn signal and windshield wiper switch is in the LO position, the common brush and the blue/orange wire brush are used, and the windshield wiper motor operates at low speed.
  • When the turn signal and windshield wiper switch is in the HI position, the common brush and the white wire brush are used.
  • In HI position, electric current will bypass a portion of the armature winding causing the windshield wiper motor to operate faster.
  • When the turn signal and windshield wiper switch is moved to the OFF position, the windshield wiper motor will continue at low speed until the park switch outer contacts open.
  • When the park switch contacts open, the windshield wiper motor stops in the park position.
Interval
When the turn signal and windshield wiper switch is in the interval position:
  • The wipers make single wipes separated by pauses.
  • The rotary switch is on the end of turn signal and windshield wiper switch .
  • The length of the pause can be set from approximately 1 to 17 seconds.
  • Length of pause decreases as the rotary switch is rotated away from off.
  • Length of pause increases as the rotary switch is rotated toward off.
While in the interval wiper mode:
  • It is normal to hear a slight click at the beginning of each on/pause cycle. NOTE: When using interval wipers, the first wipe may not occur until after a pause of up to 17 seconds.

May 27, 2009 | 1994 Ford Mustang

1 Answer

WIndshield Wipers only start on fastest speed


There are three things involved in wiper operation, switch, the delay circuit board and the motor. If you select winshield wash do the wipers operate normaly? if this is the case then the motor works and delay is operating < not a guaranty on delay but it does say the circuit is operating.If wash cycle does not work then circuit not working< could still be switch causing this> if you know someone or you yourself can remove switch it needs to be ohmed to know that it is operating and if it is then voltage during operation in all settings needs checked at wiper motor.If no voltage found in inoperable settings then delay is not working.While investigating problems like this always inspect wiring as you check from point to point because could be damaged wires as well.

Apr 21, 2009 | 1999 Chevrolet Malibu

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