Question about 1999 Chevrolet Blazer

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Still have a problem with 99 S-10 Blazer(power windows).

Well no luck with the switches. I think I have a ground problem. I can open one door and nothing happens. If I open the drivers door and one other door everything works fine. Another problem when the doors are closed is the power mirrors don't work. Now I have a new problem to go along with the other two. The reverse lights stay on all the time now. This just started 10/02/08. Is there any grounding straps or wires that may be loose on the doors? Thanks for any help.

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Have you checked the switches on the door frame. the ones where you close the door and it depresses the switch ? if it is not the switches, it could be a good place to start.

Posted on Nov 16, 2008

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2 Answers

Can you help with power windows?


What type of vehicle? Does the drivers window work?

May 01, 2015 | Cars & Trucks

1 Answer

WHY2003 BLAZER ALL POWER WINDOWS NOT WORKING?


A wiring problem or the driver's master switch, probably. Check for broken wires in the harness going into the driver's door opening. A dark green wire is the power wire to the switch (from a 30 amp circuit breaker in the relay block). and a black ground wire from the switch going back into the cabin.
Pull the master switch out and check for power on the dark green wire at the connector, with key on. If no power, wire may be broke from the circuit breaker to the switch, probably in the door opening. If power is good, check the ground circuit from the switch connector to ground. Like this: voltmeter positive lead on the green wire terminal with key on, voltmeter negative lead on the black wire terminal. If voltmeter registers battery voltage, power and ground is good. If no voltage shows on voltmeter, power or ground is bad. Move voltmeter negative lead to a good ground on frame or body. If voltage shows, power is good and ground is lost-look for broken black wire in door opening. Check for the black ground just inside the cabin from door-maybe under the driver's kick panel.
If both power and ground is good to the master switch, try a new or used master switch.

Jun 08, 2014 | 2003 Chevrolet Blazer

1 Answer

Windows wont go up or down on my 2000 chevy blazer unless both front door are partaly open


There is a rubber boot that goes from the body to the door. Inside that boot there are the wires for speakers locks windows, etc. If the power window wire is pinched or partially cut then that would be your fix. Your Main window switch that can control all the windows from the driver's seat is that hub for all the power that goes to each other door and window as far as power windows is concerned. Not sure as to why both front doors would have to be opened to open the front windows. If both doors are having a problem then you may have a problem inside the wiring boot in between the body and each door so check both. This is a common problem with a lot of vehicles with power windows. Good Luck.

Mar 22, 2014 | 2000 Chevrolet Blazer

1 Answer

Power window relay location


Why does everyone think that power windows have relays? Well, maybe Volvos do, but most cars use a circuit breaker at the fuse panel. You need top pull off the driver's door master switch and check if there is one hot wire there to switch with the key on. If you don't, check for broken wires in the door opening. Check if the circuit breaker's terminal has power to it.
When all windows fail, it is usually a wiring problem, not the switches or the motors, but all of them may need checked. If you have a hot wire to the master switch, you will need to check the power window's ground-it originates at the master switch and goes back into the cabin, then to a nearby ground.
This is the set up for most cars, I suspect your is the same. If hot wire to master and good ground, it could be a failed master switch, but check carefully for broken wires in the door opening.

May 06, 2013 | 1994 Volvo 960

2 Answers

97 Chevy Blazer Driver's side electric window went down 1/2 way. Now won't go up or down but all other windows work.


Is it making any noise at all when you push the button? If it is making noises, then you probably have a broken window regulator. If is is not doing ANYTHING, then you probably have a bad switch or a bad window motor.
You can find out which it is by popping the switch out of the door and checking for power and ground at the switch connector. (back-probe the connector with it still connected to the switch)
The circuits to the driver's door motor are Connector C2 - DARK BLUE Pin "A" and BROWN Pin "E" (C2 is the Long, 8-pin connector)
BOTH of these wires shouldbe GROUND when the switch is in the NEUTRAL position. Then with the ignition switch ON, the BROWN wire will switch from GROUND to POWER when the switch is pushed "DOWN". The DARK BLUE wire will do the same when the switch is pushed "UP".
If these are not doing as described, replace the switch. If they are switching properly, then you need to check for power and ground at the motor connector. - chances are it needs a motor, but you need to check the power and ground just to make sure you do not have a broken wire between the switch and the motor.

Sep 20, 2011 | 1999 Chevrolet Blazer

2 Answers

My doors are one by one failing nothing seems to work on the door the lock or window both rear doors 2001 passat glx


First, check the fuses. They are on the side of the dash...open driver door all the way, and pop open cover with a scewdriver. A card inside and a diagram on the cover will tell you the right fuses to check. They also have relays. Those are located behind the fuses, but not sure how to check them. Hope it is a fuse.

Jan 13, 2010 | 2001 Volkswagen Passat

2 Answers

87 blazer rear window wont open


Sounds like you have a wiring issue going on with one thing and the other has to do with the door itself

Feb 07, 2009 | 1987 Chevrolet Blazer

1 Answer

Rear side windows


This may be just a case of inadvertently hitting the window lock out n th driver door window switch by mistake. Check that first. Here's some background on window operation

Principles of Operation
The driver power window regulator motor is controlled directly by the master window/door lock/unlock switch (and its integrated "auto down" module). Power is supplied to the power window relay and the master window/door lock/unlock switch, and the passenger power window switch when the SEC/timer module grounds the coil side of the power window relay. The SEC/timer module will ground this relay when the ignition is in the ON position and will remain energized for approximately 15 minutes or until the driver or passenger door is opened.
The driver power window regulator motor is a reversible motor that is operated by applying power and ground to the motor leads to lower the window, and then reversing polarity on those leads to raise the window.
The passenger power window regulator motor is controlled directly by the passenger power window switch and can also be controlled by the master window/door lock/unlock switch. Power is supplied to the power window relay and the master window/door lock/unlock switch, and the passenger power window switch when the SEC/timer module grounds the coil side of the power window relay. The SEC/timer module will ground this relay when the ignition is in the ON position and will remain energized for approximately 15 minutes or until the driver or passenger door is opened.
The passenger power window regulator motor is a reversible motor, which is operated by applying power and ground to the motor leads to lower the window, and then reversing polarity on those leads to raise the window.
The power rear quarter glass is also directly controlled by the master window/door lock/unlock switch. The power rear quarter glass power latches also utilize reversible motors. The power rear quarter glass power latches are operated by applying power and ground to the motor leads to open the window, and then reversing polarity on those same leads to close the window.
Symptom Chart Condition Possible Sources Action
  • All windows are inoperative
  • BJB Fuse:
    • F20.
  • Circuit.
  • Power window relay.
  • Front door power window switch.
  • GO to Pinpoint Test A .
  • Single power window is inoperative
  • Front door power window switch.
  • Front door power window regulator.
  • Circuit.
  • Driver door power window switch.
  • GO to Pinpoint Test B .
  • Vent power window is inoperative — quarter window glass power latch
  • Circuit.
  • Quarter window glass switch.
  • Quarter window glass power latch.
  • GO to Pinpoint Test C .
  • The one touch down feature is inoperative
  • Master window regulator and door lock switch.
  • INSTALL a new master window/door lock/unlock switch. REFER to Switch—Master Window Door Lock/Unlock .
  • The back window will not defrost
  • CJB Fuses:
    • F30 (10A).
    • F32 (20A).
    • F34 (20A).
  • BJB Fuse:
    • F27 (45A)
  • Circuit.
  • Heated back window switch.
  • SEC/timer module.
  • Rear window defrost relay.
  • GO to Pinpoint Test D .
  • The back window defrost will not shut off automatically
  • SEC/timer module.
  • Circuit.
  • Rear window defrost relay.
  • GO to Pinpoint Test E .

Jan 28, 2009 | 1999 Mercury Villager

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