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Posted on Mar 08, 2010
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Locating the fuse that controls the windshield washer pump motor

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  • Expert 118 Answers
  • Posted on Mar 09, 2010
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You will need to find your owners manual. This fuse comtrols a few different things like washer fluid and i believe cruise control

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1answer

Wipers not working 2009 Pontiac G6 Wiper Motor where is the fuse located so that I can check it? Before I replace the motor

Just replacing parts isn't the way to fix this problem , viewing wiring diagrams too see what all is involved in making the wipers work is . Then using a digital volt ohmmeter to test electrical circuits . Also looking at factory service info. to see how it's suppose to work.
Free wiring diagrams here http://www.bbbind.com/free-tsb/ Enter vehicle info. year , make , model an engine size . Under system click on body & accessories , then under subsystem click on wiper/washer . Click the search button ,then click the blue link. Looking at the wiring diagram i see two fuse's an two relays that are controlled by the BCM - body control module . Also hooking up a scan tool that can read BCM DTC'S - diagnostic trouble codes could be helpful . The wiper switch is a input to the BCM - the BCM will energize the relays to turn on the wipers.

Wiper/Washer System Components
The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper 1 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
• WIPER/SW 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 1 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 contacts 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.

DTC B3715 02: Front Wiper Relay Drive Circuit Short to Ground
DTC B3715 05: Front Wiper Relay Drive Circuit Short to Battery or Open
0helpful
1answer

Windshield wipers on a Chevy 2005 trailblazer only works on high

Do you know how to test automotive electrical circuit's using a DVOM - digital volt ohmmeter ? Do you know what a wiring diagram is an how to read one ? Free wiring diagrams here http://www.bbbind.com/free-tsb Enter vehicle info. year , make , model an engine size. Under system click on body & accessories ,then under subsystem click on wiper/ washer's . Click the search button then the blue link.

Windshield Wiper/Washer System Components
The windshield wiper/washer system consists of the following components:
• Windshield wiper/washer switch
• Windshield wiper motor
• Windshield washer pump
• Windshield washer relay
• Outside moisture sensor
• FRT WIPER 25A fuse
• W/S WASH 15A fuse
Windshield Wiper/Washer System Operation
Accessory voltage and ground is supplied to the windshield wiper motor and provides the power for operating the wiper motor and logic power to the wiper motor module. The WASH, MIST, LOW, and DELAY modes are controlled by the windshield wiper/washer switch through a series of internal resistors. The windshield wiper switch supply voltage circuit is a 12-volt reference from the wiper motor module to the wiper/washer switch, and the switch position determines the point on the resistor assembly where the reference voltage is applied. The windshield wiper switch signal 1 circuit supplies the voltage from the resistor assembly to the wiper motor module and the signal voltage determines the operating mode. High speed operation is controlled by the windshield wiper/washer switch through the windshield wiper switch high signal circuit. The windshield wiper switch high signal circuit is supplied 12 volts by the wiper motor module and when the wiper/washer switch is turned to the HIGH position the windshield wiper switch high signal circuit is grounded through the switch ground circuit. The windshield washer pump is controlled through the windshield wash relay. The windshield wash relay coil and switch is supplied battery positive voltage, and during WASH mode the wiper motor module grounds the washer relay control circuit energizing the relay. When the relay is energized battery positive voltage to the switch side of the relay is supplied to the washer pump control circuit.
1helpful
1answer

Wipers will not turn on 2006 colorado

There are two relay's in the under hood fuse / relay box . Wiper relay an wiper relay 2 . Maybe one is bad . also check fuse #14 25 amp. Wiper fuse.Plus the BCM - body control module has a hand in making the wipers work . Are you familiar with automotive electronic control modules ?
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.

Do you have any speed !
0helpful
1answer

Looking for the fuse for the wiper motor 2008 chevy impala

WPR fuse 25amp under hood fuse box .
Wiper/Washer System Components
The Wiper/Washer System consists of the following components:
• Windshield wiper/washer switch
• Body control module (BCM)
• Wiper PCB relay
• Wiper high PCB relay
• Windshield wiper motor
• Windshield washer fluid pump
• Windshield washer fluid level switch
• WPR fuse 25 A
• WSW fuse 10 A
This is more then likely not a fuse issue !!!!!!!
Low Speed Operation
When the wiper switch is in the low speed position, ground is applied through the switch internal resistor and the wiper switch low signal circuit to the body control module (BCM). In response to this signal, the BCM energizes the WIPER PCB relay by applying battery voltage through the wiper relay control circuit to the coil side of the relay. This allows battery positive voltage from the WPR fuse to flow through the switch input side of the WIPER PCB relay and out to the switch input side of the WIPER HIGH PCB relay. Since the wiper high relay is de-energized and its switch contacts are normally closed to the low speed control circuit of the windshield wiper motor, the motor will operate at low speed.
Wiper motor low speed operation and the wiper PCB relay can also be commanded ON/OFF by using a scan tool. Refer to Control Module References.
The PCB relays mentioned above are soldered right into the circuit board inside the fuse/relay block under the hood . There are alot of reasons for the wipers not to work ! The fuse could be blown but fuse's don't just blow for no good reason , short to ground , low resistance high current flow etc.... Intermittant !

Power and Grounds
With the ignition in the ON position, accessory voltage is supplied through the 25A WPR fuse to the WIPER PCB relay, the WIPER HIGH PCB relay and the WS WASH PCB relay that are all located in the underhood fuse block. Refer to Wiper/Washer Schematics.
G200 provides ground for the windshield wiper motor and the WIPER PCB relay. G100 provides ground for the windshield washer fluid pump and the windshield washer fluid level switch.
0helpful
1answer

Where is the windshield washer motor located? Is it near the heater motor? I had mine fixed and now the heat comes out of the dash for the defroster

Windshield Washer Pump Removal & Installation To Remove:
  1. Remove the air cleaner assembly.
  2. Remove the bolts. windwash.gif

  3. Position the pump and reservoir aside.
  4. Disconnect the electrical connectors.
  5. Disconnect the washer hose.
  6. Remove the pump and reservoir.
  7. Remove the washer pump.
washpump.gif

WARNING
Windshield washer solution contains methanol which is poisonous. Observe all cautions and warnings indicated on label of washer solution container.
NOTE: Windshield washer fluid should be collected in a container after the windshield washer hose is disconnected.
To Install:
WARNING
Windshield washer solution contains methanol which is poisonous. Observe all cautions and warnings indicated on label of washer solution container.
  1. Install washer pump in reservoir.
  2. Install washer pump reservoir assembly.
  3. Connect washer hose.
  4. Connect washer electrical connector.
  5. Install air cleaner assembly.
---
The windshield wiper fluid pump is located in the tank which is not in the heater motor or defroster area in the dash.

The defroster/heat control door is located in the dash board area:

Air Door Actuators, Cables or Motors Removal & Installation Air Inlet Door Vacuum Control Motor To Remove:
  1. Remove the instrument panel lower insulator cover.
  2. Disconnect the vacuum connector.
  3. Remove the control arm clip and the spring.
  4. Remove the nuts and the air inlet door vacuum control motor.
Air inlet door vacuum motor mounting screws for-10-00-245.gif

To Install:
  1. Install the vacuum motor on the mounting bracket.
  2. Connect the control arm and spring.
  3. Connect the vacuum hose to the vacuum motor.
  4. Install the lower instrument panel lower cover.
Floor Defrost Door Vacuum Control Motor To Remove:
  1. Disconnect the negative battery cable.
  2. Remove the left lower dash insulator panel and disconnect the lamp.
  3. Remove the two pin-type retainers and remove the fill panel.
  4. Remove the DLC mounting screws.
  5. Detach the vacuum line.
  6. Remove the lighting module.
  7. Remove the screws and the bracket.
  8. Remove the floor/defrost door vacuum control motor.
Floor/Defrost vacuum motor mounting screws for-10-00-246.gif

To Install:
  1. Connect the vacuum lines and install the floor/defrost vacuum motor.
  2. Install the bracket and lighting control module.
  3. Install the DLC bracket and mounting screws.
  4. Install the fill panel.
  5. Install the left lower dash insulator panel.
  6. Connect the negative battery cable.
Panel Door Vacuum Control Motor To Remove:
  1. Remove the instrument panel.
  2. Reach through the door opening and remove the pin.
  3. Disconnect the panel door vacuum control motor vacuum line.
  4. Remove the screws and remove the panel door vacuum control motor.
To Install:
  1. Install the panel door vacuum motor.
  2. Connect the vacuum line to the panel door motor.
  3. Reach through the opening and install the pin to the linkage.
  4. Install the instrument panel.
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1helpful
1answer

My 2005 Jeep Grand Cherokee's windshield washer is not working.

Check power at the pump motors. You may not see a fuse because some run off a circuit breaker. If all else fails, a bit "backyard" but you likely could break out the washer pumps from the system and make a simple push button on the dash to operate them.
3helpful
2answers

Washer doesn't work and I can't hear the pupmp motor working.

The windshield washer pump is part of the windshield wash reservior.
There is an electrical connector located on the bottom of the reservior.
That is the pump .
If the pump is not in the reservior. I would just trace the washer fluid lines from the sprayer on the vehicle back to the pump. The lines just might lead back to the reservior for the windshield wash solution. Then you will have confirmed the pump is in the reservior.

You may have to get a new reservior. The pump might not be seperate item, I am not 100% sure on that.

I also would double check the fuses and any relays related to the washer pump.

Finally, I would check the washer switch if you replace the pump and still is not working .

Good luck
3helpful
1answer

Windshield wipers

From your owners manual:

Fuse#11 30A , Wiper Run/Park
Relay, Wiper Hi/LO Relay, Windshield Wiper
Motor, Rear Washer Pump Relay

U will also need to check the relays if the fuse is ok, the relay, it is the underhood fuse box
Relay #202 — Front Wiper Run/Park Relay
3helpful
1answer

Winshield washer motor does not run

These days, most windshield washer pumps are mounted to the bottom of the washer fluid reservoir. Where’s that, you ask? Well, inner+fender+w+text.jpgyou know that spout you pour the fluid into—the one that disappears into nowhere? Well, the reservoir is actually 2384f71.jpglocated inside the front fender between the bumper and the front wheel. To replace the pump, you will have to jack up the vehicle, remove the front wheel and then remove the inner fender liner.
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