Question about 2004 Chevrolet Blazer

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The sunroof will not close. It was open and water got into the lights and the sunroof switch. How do I open up this area.

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The plate surrounding the switch just snaps into place. A flathead screwdriver can pry it down and then replace the switch.

Posted on Jun 21, 2009

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Posted on Jan 02, 2017

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Sunroof does not open. Fuse is ok and the shade operates normally.


Do you know how to do automotive electrical testing ?????? How to read a wiring diagrams ???? http://www.bbbind.com/free_tsb.html .Videos on youtube Ohms Law Tech Tip from L1 with Dave Hobbs Copy of Voltage Drop Essentials TST Motor Age The only way to find the problem , testing !

Sunroof Description and Operation (One Connector System)
Sunroof
This diagnostic procedure is to be used for the 1 connector Sunroof System that combines the sunroof control module with the sunroof motor/actuator.
The Sunroof System consists of the following components:
• BATT MAIN 2 Fuse 50 A
• Body control module (BCM)
• RAP relay
• S/Roof Fuse 20 A
• Sunroof module (includes sunroof motor/actuator)
• Sunroof switch
The Sunroof System is controlled by the sunroof switch and the sunroof motor/actuator assembly.
When the ignition is turned to RUN or ACCESSORY, or when the retained accessory power (RAP) system is active, the body control module (BCM) applies a ground to the RAP relay in the instrument panel (I/P) fuse block. This activates the RAP relay and allows battery positive voltage to be applied through the SUNROOF Fuse to the sunroof module. Ground for the sunroof module is supplied from G302.
The sunroof can be placed in 3 preset positions:
• Open
• Vent
• Closed
When the sunroof switch is placed in the OPEN position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch open signal circuit. The sunroof motor/actuator then applies voltage to the sunroof motor open control circuit and applies a ground to the sunroof motor close circuit. The sunroof motor then opens the sunroof to the full open position.
When the sunroof switch is placed in the VENT position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch open signal circuit. The sunroof module then applies voltage to the sunroof motor open control circuit and applies a ground to the sunroof motor close circuit. The sunroof motor then opens the sunroof to the VENT position.
When the sunroof switch is placed and held in the CLOSED position, a ground is applied from the sunroof switch low reference circuit , through the sunroof switch and to the sunroof switch close signal circuit. The sunroof module then applies voltage to the sunroof motor close control circuit and applies a ground to the sunroof motor open circuit. The sunroof motor then closes the sunroof.
The sunroof can be placed in any preferred open position when:
• The sunroof is in the fully opened position by pressing and holding the sunroof switch in the CLOSE position until the panel has reached the desired position then release the CLOSE switch in order to stop the sunroof
• The sunroof is opening, it can be stopped by momentarily pressing either side of the switch.
The sunroof control module, sun roof actuator, and the sunroof motor are integral parts of the sunroof module assembly and are not service separately.

Your best bet , take it to a qualified repair shop or buick dealer .

Feb 10, 2017 | 2010 Buick LaCrosse CXS

1 Answer

2000 olsmobile alero sunroof stuck open


HAVE SAME PROBLEM ON MY ALERO , WOULD CLOSE TO VENT POSITION ALL OTHER FUNCTIONS WORKED FINE. TALKED TO A MECH. FRIEND AND FOUND A WAY TO CLOSE MANUALLY BUT YOU DO HAVE TO DROP FRONT LEFT CORNER OF HEADLINER.
THE MOTOR IS UNDER SUNVISOR AREA AND YOU'LL NEED AN ALLEN(SPELLING)SOCKET TO CLOSE ROOF

Oct 20, 2012 | 2001 Oldsmobile Alero

1 Answer

Sunroof won't close


Hey Paul, there are limit switches integrated into the motor on your sunroof, usually if it stops completely its because it detected a restriction, such as leaves, or dirt, if there are no visual sign then with the key on hold the switch to the full open position for 10-12 sec then hold it in the close position for the same, cycle the key and see if it reset. The motor can fail as well but it's not very common.. Do u hear any clicking from the motor area when this occurs, also check all fuses to be safe as well,..

Jun 09, 2012 | 2006 Lincoln Mark LT

1 Answer

Moonroof wont close all the way


Do you know how to test automotive electrical circuit's with a DVOM - digital volt ohm meter ? When adjusting the moon roof did you see any switches ? sunroof limit switch
Measure the reference voltage of the sunroof limit switch soft stop signal circuit at the sunroof control harness connector to a good ground.
Does the reference voltage measure near the specified value?
4.5-5.5 V
Notice: Do not open the sunroof glass past the full open soft stop position. Doing so may damage the sunroof assembly and or the roof top.
Connect a jumper wire to the sunroof limit switch soft stop signal circuit at the sunroof control module harness to a good ground.
Turn ON the ignition, with the engine OFF.
Using the sunroof switch, operate the sunroof system, not to exceed the full open soft stop position.
Does the system operate as requested?

Do you know what a wiring diagram is ? Free one's here
http://www.bbbind.com/free_tsb.html Enter vehicle info. year ,make ,model an engine size . Under system click body & accessories ,then under subsystem click on sun roof . Click the search button then the blue link . See the control module , motor an the two switches ? One is probably miss adjusted . or bad !

Power Sunroof System Components
The power sunroof system consists of the following components:
• Sunroof control module
• Sunroof motor with the limit switches
• Sunroof switch
• Sunroof glass-spoiler type, with glass sliding above roof
• Sunshade
• Rail and track assembly upon which the sunroof glass rides
• Power sunroof system circuit breaker: PWR WDO 25 A
• Ground: G204

Sunroof Limit Switches
The sunroof limit switches track the position of the sunroof glass through two limit switches:
• Soft Stop limit switch through the sunroof limit switch soft stop signal circuit
• Vent Stop limit switch through the sunroof limit switch range signal circuit
The sunroof control module monitors the limit switches and based on the input combinations, determines the position of the sunroof glass. As a sunroof limit switch closes, the 5 volt reference will be shorted to the sunroof limit switch low reference circuit, pulling the 5 volt reference to 0 volts.
The sunroof control module monitors both sunroof switch input requests and based on the sunroof limit switch input combinations, will control an output to the sunroof motor, to drive the sunroof glass to the requested position.

Sunroof Motor
The sunroof has a bi-directional motor. When the motor is not operating both circuits are grounded. When the motor drives the sunroof glass in the direction from the closed to vent or vent to open position, the following occurs:
• Voltage is supplied to the sunroof motor open circuit.
• Ground is maintained to the sunroof motor close circuit.
When the motor drives the sunroof in the direction from the open to vent or vent to closed position, the following occurs:
• Voltage is supplied to the sunroof motor close circuit.
• Ground is maintained to the sunroof motor open circuit.
The sunroof control module is equipped with a timer circuit which stops the operation of the sunroof motor after 8 seconds.

Dec 23, 2017 | 2003 Pontiac Sunfire

3 Answers

Sun roof leaking water


How to Repair a Leaking Car Sunroof Repairing a leaky sunroof usually leads to discovering that the sunroof is not the culprit of the leak. Instead dirt and debris may be the likely culprits since they obstruct the drainage tubes or the drain channel that are part of the sunroof's water management system. Once these are obstructed, the water backs up and heads for the nearest escape, which may be to the interior of your car. The following instructions are to help you repair a leaking car sun roof.
  1. 1)Use a non-abrasive cleaner with a soft cloth to clean the glass panel and the seal on the outside of the car.2)Open the sunroof after opening the vent shade. Allow the sunroof to open to the vent position but do not let it slide backwards.Wipe and clean the trough that is around the opening of the sunroof. 3)Use a wet cloth to remove any debris that may be preventing a tight seal between the trough and the sunroof's seal.Inspect the seal. 4)Look for any cracks in the seal. If you find any, you will need to replace the seal. Contact the car manufacturer or a repair shop to replace the seal.Check the drainage tubes.5) You can use a small cable or even a coat hanger to gently probe around for a few inches to see if there are any clogs or standing water in the tubes.6)Use a thin cable or coat hanger wire again to try to clear the drainage tubes if they are clogged. Make sure whatever you use does not have a sharp end and apply only a little pressure.7)Verify that any of the standing water in the drainage tubes went down by poking a dry thin cable or wire down an inch or and pulling the wire back out.8)Check that the clogs are completely gone in the drainage tubes by pouring a small amount of water into the tubes.
    also for more help.
    How to Check a Sunroof for Leaks There's nothing nicer than a sunroof in your car, especially on a spring or summer day. Open the sunroof and enjoy the fresh breeze. But check a sunroof carefully for leaks before you buy a used car. It's just good business. 1)Open the sunroof to check for leaks when you are shopping for a used vehicle. First of all, make sure the sunroof opens smoothly and closes securely. A good, snug fit with no cracks or lop-sided setting is a good indication that it won't leak.2)Look carefully around the inside edges of the roof of the car where the sunroof opens. Check a sunroof for leaks by making sure there are no signs of rust or corroded metal around the opening edges. Of course, examine this area while the sunroof is open so that you see all areas on the sunroof opening's edges.3)Check the ceiling inside the vehicle when you check a sunroof for leaks. Look for signs of water stains around the inside ceiling lining of the car at the sunroof's site. Ceiling fabric at the site of the sunroof or around the area of the sunroof that looks spotted or has slight color variations may indicate a sunroof leak.4)See if the car's headliner (the ceiling fabric) is sagging. A leaking sunroof may cause water to run inside the headliner. Water buildup causes the headliner to sag over time.5)Examine the floor of the vehicle carefully when you check a sunroof for leaks. Damp carpet or a mildew smell may indicate a leaking sunroof. Also, look for water stains on seats where water may drip down from the sunroof. This will help. Thanks please keep updated. please do rate the solution positively .thank you for using fixya

Mar 17, 2010 | 2000 Saturn L-Series

1 Answer

Sun roof stuck fuse ok what else can i check how do you manualy open and close sunroof


In most cars you cant manually open and close electric sunroofs.
Likely the problem is in one of the switches. little bit of water can make a mess of switches

Mar 09, 2010 | 2006 Land Rover Range Rover Sport

1 Answer

The sunroof is tilted open and won't close. When


Sounds like sunroof is stuck, motor can't overcome load. Cheap test: car off, interior light turned on try to move sunroof, does light dim? If yes motor is trying to move but can't. If light does not dim then motor not getting power.

Mar 09, 2010 | 2002 Pontiac Grand Prix

1 Answer

99 malibu sunroof stuck open.


The motor is in the front area of the roof unit.If you can drop the switch and trim around the front of sunroof unit and headliner ,you can can access the sunroof drive motor.The drive shaft of the motor can be turned mannually with an allen wrench which will assist in closing and identifying the problem area.If its hung very badly ...remove the sunroof motor then push the roof closed.

Jul 09, 2009 | 1999 Chevrolet Malibu

2 Answers

2005 Chevy Equinox sunroof problems


Some customers may comment that the sunroof will no longer respond to the control switch while in a vented, partially opened, or fully opened position.
Cause A software issue with the sunroof control module may cause the sunroof control module to incorrectly indicate a "closed" position, which may result in no power to the sunroof motor.
Correction Verify the customer concern. If a condition is present, replace the sunroof control module with a new sunroof control module, P/N 15847643. Refer to the Service Procedure in this bulletin.
Service Procedure
  1. Verify the customer concern by opening and closing the sunroof. • If the sunroof will not open , check the power windows. - If the power windows are also inoperative, check the fuse. If the fuse has opened, refer to Corporate Bulletin Number 05-08-64-004 to install 30A circuit breaker. - If the power windows are fully functional, refer to "Power Sunroof Inoperative" diagnostics (SI Document ID# 1392967) in the Body section of the 2005 Chevrolet Equinox or Saturn VUE Service Manual. • If the sunroof will open (or is already open), but will not close , proceed to Step 2.
  2. Replace the sunroof control module. Refer to "Sunroof Control Module Replacement" procedure in the Body section of the 2005 Chevrolet Equinox Service Manual (SI Document ID# 1196049) or Saturn VUE Service Manual (SI Document ID# 1710479).
  3. Open and close the sunroof in order to confirm that the customer concern has been resolved.
Parts Information Part Number
Description
Qty
15847643
Sunroof Control Module
1

Jun 20, 2009 | 2005 Chevrolet Equinox

3 Answers

Open sunroof that will not close.


you can open and close you sunroof "manually" remove the plastic cover next to your sunroof and dome light buttons (above your rearview mirror) there is an allen wrench stored inside... insert the wrench into the corresponding hole and you can close or open you sunroof by turning the wrench

Nov 29, 2008 | 2000 Volkswagen Jetta TDI

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