Question about GMC Sierra 1500
The front speakers do not work at all. No sound. Not even static. Took off door panel. Used voltage meter. No reading at all from the wires to the speaker'
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Front speakers
either the wires in the boot where door folds open has broken wires in it or the most likely case you have 2 blown wolfers and 1 blown tweeter. common for cars with the monsoon stereo system, they made the radio better than the speakers.
Posted on Mar 31, 2009
SOURCE: Front door speakers
You'll need to remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. If needed, you can pull back the weather seal (can't reuse it, but it's not that important) and you will be able to access everything inside the door
Posted on Aug 14, 2009
SOURCE: door panel
You'll need to remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. You'll need to lift the door panel upwards in order to get it off the window ledge. If needed, you can pull back the weather seal (can't reuse it, but it's not that important) and you will be able to access everything inside the door
Posted on Aug 14, 2009
SOURCE: front door speakers
i found the service buliton on this problem straight from GMC, bulletin No. 07-08-44-008 this is a recall issue and you need to go to the dealer to have them resolve.. i was locked out of your other question please rate this with the other one you have up... thank you Dave
Posted on Sep 03, 2009
sound like the head unit's out put mosfet is going bad, but i have also ran in to this problem when it was a speaker wires shorting out. so first check the connection on your rear speakers.
Posted on Oct 15, 2009
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Window fuse's and relay's may be up under driver or passenger side dash or behind glove box, under the hood and even under the seats, and finally on the ends of the dash. All passenger power windows are controlled thru and get power from the master control switch on the drivers door.
Drivers door window gets used the most so it could be the motor, window switch, relay or fuse.
Could also be a broken wire in the rubber boot going from the door to the body. You will have to eliminate each till you find the culprit. Check that all switches return to neutral when released.
The motor and the relay are the most likely to cause this problem. Try swapping the relay with a working window relay. If it still doesn't work, remove the door panel and remove the window motor.
Turn the motor shaft in both directions by hand several turns. Then plug the motor in and see if the switch will now run the motor. Sometimes that's all it takes to get it working again. I have had to do this with brand new motors. If voltage is not present at the motor connector, either a bad switch or a broken wire exists. Make sure to check for voltage coming to that windows switch.
Open the door, turn the key to the ON position without starting the engine and everything that makes noise is off. Lean down placing your ears close to the bottom center of the door or at the speaker grill. Press the window switch UP and DOWN. Listen for the window motor. If heard the drive is damaged. If not heard, turn key off and locate and replace the relay with one of the other window relays. Check window again. If it works now, get a new relay. More often than not, removing the motor and turning it by hand will get it working good as new. I have had to do that with Brand New motors! So try it.
If all has failed, with the door panel still off, check for voltage at the motor connector when pushing the window switch. No voltage means its the switch, especially if its a auto down or up switch.
Check the master window control panel on the driver's door. There is probably a lockout switch. It may have a window outline on one end and the same outline with an "X" over it on the other. Press the outline without the "X" and all your windows should work again. As silly as that sounds, a lot people hit that switch without knowing it. Also if that switch(lockout) is faulty, none of the windows will work. That happens A LOT!!
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