Question about 2002 Pontiac Grand Prix

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No Windshield washers

Does anyone have a wiring diagram for a 2002 Pontiac Gran Prix windshield washer switch that they could Email me?

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  • shelby7 Feb 01, 2009

    I was finally able to track down a wiring diagram, here in town(couldn't find anyone on the web to help) oh well. Now at least I can trace the loom.

  • shelby7 Feb 25, 2009

    I appreciate the suggestion but I know it is in the wiring as when I put power to the pump it worked. Thanks

  • Mike Butler
    Mike Butler May 11, 2010

    Did you get this yet?

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  • 4 Answers

When mine stopped working it was the washer motor easy to fix. right at the bottom of the tank ..Put somthing under it to catch the fluid and it just pulls out . unplug and replace. Danny

Posted on Feb 24, 2009

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Posted on Jan 02, 2017

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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

Why is my windshield wipers running in the off position, it's like they are running in the intermittent position, but it's in the off position.


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.

Schematic Reference: Wiper/Washer Schematics


1

Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections?
Go to Step 2
Go to Symptoms - Wiper/Washer Systems

2

  1. Turn the ignition ON.
  2. Turn the windshield wiper/washer switch OFF.
Are the windshield wipers always on?
Go to Step 3
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

3

Disconnect the windshield wiper/washer switch connector.
Are the windshield wipers always on?
Go to Step 4 if yes
Go to Step 7 if no

4

  1. Disconnect the windshield wiper motor connector.
  2. Test the windshield wiper switch signal 1 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 5

5

Test the windshield wiper switch signal 2 circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 6

6

Test the windshield wiper motor high speed circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 9

7

Inspect for poor connections at the windshield wiper/washer switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 8

8

Replace the windshield wiper/washer switch. Refer to Windshield Wiper and Washer Switch Replacement - On Vehicle in Steering Wheel and Column.
Is the repair complete?
Go to Step 11
--

9

Inspect for poor connections at the windshield wiper motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 11
Go to Step 10

10

Replace the windshield wiper motor. Refer to Windshield Wiper Motor Replacement .
Is the repair complete?
Go to Step 11
--

11

Operate the system in order to verify the repair.
Did you correct the condition?
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


?€¢
Instrument panel cluster (IPC)


?€¢
ACC 15-amp fuse


?€¢
WSW 30-amp fuse

Jan 04, 2016 | 2002 Pontiac Bonneville

1 Answer

What size are the vacuum lines and windshield washer lines on an 2002 pontiac grand prix


The windshield washer line is usally 1/4''.Where the vacumme lines are between 1/4'' to 3/8" depending on which hose it is your changing.

Mar 06, 2011 | 2002 Pontiac Grand Prix

1 Answer

How do you get to the windshield washer pump on my 2002


Windshield Washer Pump Locations View 92950676 Through the right wheel well

Jan 01, 2011 | 2002 Pontiac Grand Prix

2 Answers

Pontiac 2002 grand prix windshield fluid not commingling out


Rplace the Pump I had the same problem real easy fix good luck

May 02, 2010 | 2002 Pontiac Grand Prix

1 Answer

I have a 2008 Grand Prix. Windshield washer is


follow the hoses to the hood or wiper arm (i dont know where your spray nozzles are)and disconnect hem and press the spray button. if it sprays your nozzles are plugged, if not its your pump motor.

Feb 16, 2010 | 2008 Pontiac Grand Prix

2 Answers

Windshield Washer Pump does not operate on 02 Accent


Your Accent has rear wiper/washer.. correct? That's where the 3rd wire comes in. They sold you/you bought the wrong pump. Here's the wiring diagrams:
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Jun 01, 2009 | 2002 Hyundai Accent

1 Answer

Washer fluid for windshield wipers stop working on 2002 pontic grand prix


This could be one of an assortment of problems:

- bad washer pump
- blown fuse for washer pump
- clogged/loose washer hose
- loose/corroded electrical connection
- no fluid in reservoir
- clogged nozzle
- bad washer switch
- etc.
.
.
.

May 02, 2009 | 2002 Pontiac Grand Prix

1 Answer

Can't find the fuse diagram


There are two fuses for the wiper / washers. In the underhood fuse block they are labled "WIPER / WS"-25 AMP, AND 'WASHER / RVC"- 15 amp. The body control module, wiper / washer switch are also part of the washer system.- Tech jk

Nov 22, 2008 | 2004 Pontiac Grand Prix

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