Question about 1999 Chevrolet Suburban

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Interior lights won't go off on 1999 surburban and automatic door locks don't work. Just purchased vehicle, all issues seem to be electrical in nature.

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Sounds like a door switch is stuck open. My suggestion would be to pull all of the door switches and use a scrap piece of wire to "fool" the connection closed. Simply unplug the switch, and jumper across the terminals on the connector. If the lights go out, now go back and install each switch one at a time untill you find the one that's stuck open. Replace that one. $50.00 it's the driver's front.

Posted on Dec 10, 2009

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Posted on Jan 02, 2017

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1 Answer

Interior lights, gauges, door locks etc not working.


What kind of manual do you have ? Haynes or chilton manual ? these are no good , they don't show everything ! If you want one that shows everything . Go to ALLDATAdiy com Leading Source of Factory Automotive Repair Information
Checking power an grounds to the affected circuits would be the place to start . Using a wiring diagram to locate points in the circuit to test using a DVOM - digital volt ohm meter .
Looking at a wiring diagram i see that the lights an the power door locks master switch share a common ground - G- 200 could be a loose connection . Look at alldata would show location of this ground point as well as any other ground on the vehicle . Plus gives description of how all the systems on the vehicle work .
Do you know what voltage drope testing is ? Do you how to do automotive electrical testing ?
Electric Testing Techniques You Need to Know

Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia

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My interior lights, cigarette lighter and electric mirrors don't work on my 1991 gmc 3/4 ton 4wd surburban


I don't see a power connection to the three components. The interior lights are on a 20 amp courtesy fuse, the cig lighter should be on a 30 amp ACC fuse, and the mirrors are probably powered thru the key on a different 30 amp ACC fuse.
The only common factor would be a ground connector somewhere.
If they all died at the same time, a ground problem would be my guess.

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My 2002 Buick Rendevous would not start three times, then on the 4th time it started. Now the security and SES light is flashing. The windows won't roll down, radio is locked, door locks won't...


Given the amount of electronic's ( computers ) on your vehicle ,it could be a lot of thing's . Hooking up a factory or professional grade scan tool that can communicate with all the control modules on the vehicle should be the first step in the diagnostic problem . Checking for DTC'S - diagnostic trouble codes , communication between module errors etc.....
Your best bet , take it to a qualified repair shop that has the proper diagnostic equipment to check it out .
The power door lock system consists of the following components:
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BCM Functions
The body control module (BCM) is capable of accomplishing multiple body control functions. Components directly connected to the BCM are controlled by the BCM outputs. The BCM can control its outputs based on input information it obtains from sensors and switches that are directly connected to the BCM, or by receiving information from other vehicle systems connected to the class 2 serial data link. The BCM evaluates this information and controls certain body systems by commanding an output on or off.
The BCM is also capable of commanding other vehicle systems to control functions that are not directly wired to and/or controlled by the BCM. The BCM accomplishes this task by sending specific messages on the class 2 serial data link. The vehicle system capable of performing such function will respond to the BCM message.
The BCM controls/monitors the following functions:
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Buick Class 2 Operation Diagnosis 1998

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I just bought a 1988 Cadillac Brougham now i would like to fix a few electric things that don't work. Those are the interior lights the automatic door locks and the radio makes strange cracking noises....


the cracking noise in the radio sounds like a ground wire being on loose...the interior lighjts run off a fuse located under the dash next to your hood latch

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1999 Corolla..........365,000 KM!!!!!!!!!!! Today all 4 power windows AND Power door lock stopped working. Of course its around freezing and 2 of the windows are slightly open!!! Nothing else seems to...


First I would check the fuses and relay. Second I would remove the interior door panel and check the connector pins on the motor to the window. Should that not work, you can disconnect the motor and force crank the window up. Although it sounds like a fuse/relay issue as they seem to be the only items not working. Let me know.

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this problem i have repaired many times.. it is normally a broken wire in the flexible rubber tube between the door and the doorjamb from years of flexing back and forth when you open and close the door.. i hope that helps

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Battery keeps dying on 2001 Ford Windstar.


Check your battery terminals make sure they are clean and corrosion free.
Also check all ...A-L-L courtesy lights in your car. there are some ceiling mounted lights that are passenger operated and may be on... Also check your glove compartment and consoles for lights.
Also check for charger cords... These have indicator lights and sometimes can drain the batt as well.
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K

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1 Answer

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