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Windshield wipers will not go down on 1999 montana and ICS does not work.

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You need to replace the crank arm on the wiper motor. Gm has release a service kit to do this that comes with the arm and a new bracket for the motor to keep the problem from happening again.

Posted on May 18, 2009

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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

Windshield wiper motor shaft appears to be stripped. it just spins without moving arms. Do I have to replace whole motor?


have to remove arm... could be stripped inside the mechanism (called wiper transmission) ,, check to determine which it is before you buy either

Jun 22, 2014 | 1999 Pontiac Montana

1 Answer

Windshield wiper doesn't work


If both wipers don't move, could be the switch or the wiper motor.

Jul 02, 2012 | 2000 Pontiac Montana

1 Answer

My windshield wipers just up and quit. They pulse every few seconds trying to come on. What would the problem be?


This can be due to slippage or looseness in the wiper arm fittings or the wiper motor spiral wheel assembly If there is noise when the wipers are put on , then pull up the wipers from the glass and see if they work. If so the nurlings are worn out and a metal shim on the nurlings which can be tightened can solve the issue

Jan 09, 2012 | 1999 Pontiac Montana

1 Answer

Motor that moves the windshield wiper on the drivers side of our 2000 Ponitica Montana stopped working, I have been told that this part will cost me 300.00 dollars. I can not afford that, can you help me?


If the wiper on the passengers side is working normally and only the drivers side is not working.Then it is not the motor because there is only one motor and it works both sides.What you need to do is remove the drivers side wiper and clean the splines on the wiper transmission and reinstall the wiper and tighten it down.The hardest part is usually getting the wiper off.But if yours is not moving then it should come right off.All you need is a 13mmwrench or socket to remove the nut that holds the wiper on.You can do this yourself and it will cost nothing.The usual problem is they just come loose.Hope this helps.Good luck.

Jan 30, 2011 | 2000 Pontiac Montana

1 Answer

1999 Chevy Venture, Windshield wipers stop in upright position


You will need to replace the wiper transmission.This is a common problem.

Jan 24, 2009 | 1999 Chevrolet Venture

1 Answer

Montana with windshield wiper issues


if you wipers are hitting each others its the cam assembly.

Jan 05, 2009 | 2000 Pontiac Montana

1 Answer

Windshield Wiper motor replaced, now wipers go wrong direction


This sounds like the park circuit is shorted.

Nov 25, 2008 | 1999 GMC Yukon

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