Question about 1994 Buick LeSabre

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Are the power door locks, power trunk locks and interior courtesy lights on a 1994 Buick LeSabre controlled by the same fuse? Mine don't work, even with the remote control on the key chain. Anyone know why.

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Obviously you'll want to check the fuses first as that's the easiest, but i think you may find that the problem is a bad common ground. Pull up the carpet a little near the drivers door opening and you should find a large group of ground wires. That area is a susceptible to water entry and with water comes corrosion. If you find it corroded clean it up as best as possible with a wire brush and reconnect everything and put some dielectric grease on the area.

Posted on May 10, 2010

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Posted on Jan 02, 2017

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How do i bim and brighten dash light 2002 buick lesabre


bim or DIM ? the dimmer switch ! Interior Lamps
The interior lamps consists of two groups, lamps that can not be dimmed and lamps that can be dimmed. This first group consists of lamps that may not be dimmed. This includes those lamps that may be manually turned on by placing the interior lamp switch to the DOME position, or by opening a door or a compartment:
• Door courtesy lamps
• Footwell courtesy lamps
• Instrument panel (I/P) compartment lamp
• Overhead console courtesy lamps
• Reading courtesy lamps
• Rear compartment courtesy lamp
• Roof rail courtesy lamps
• Sunshade vanity mirror lamps

Interior Lamps Dimming
This group of interior lighting includes lamps which may be dimmed. This group uses a combination of class 2 controlled illumination and incandescent lamps:
• Air temperature switch
• Cigar lighter lamp
• Door switches
• Driver information center (DIC) switch
• Headlamp switch
• Head-up display (HUD) switch
• Heated seat switches
• HVAC control assembly
• Instrument panel cluster (IPC)
• Memory function switch
• Radio
• Steering wheel controls
• Window switches
For the interior lighting to be dimmed the following conditions must be met:
• A low light level has been detected by the dash integration module (DIM)
• Headlamp switch is placed in to the PARK or HEAD position
• Ignition switch is placed in the ON position
Then all class 2 displays and all incandescent back lighting will be illuminated to the level set by the instrument panel (I/P) dimmer switch. When the I/P dimmer switch is moved from MIN to MAX, all class 2 displays and all incandescent back lighting respond from minimum intensity to maximum brightness.
The DIM supplies battery positive voltage to the coil side of the PRK LP relay in the rear fuse block.
When the I/P dimmer switch is moved from MIN to MAX, then the instrument panel module (IPM), W/CJ2, or climate control panel (CCP), W/C67, applies a message to the class 2 communication circuit to the DIM. The DIM then applies a ground to the park lamp relay control circuit. This energizes the PRK LAMP relay and allows battery positive voltage to be applied through the DIMR fuse to the DIM. The DIM then illuminates the following incandescent lamps through the incandescent dimming output circuit:
• Cigar lighter lamp
• DIC Switch
• Headlamp switch
• HUD switch
• HVAC control assembly
• IPC
• Radio
• Steering wheel controls
The DIM also applies a message to the following class 2 controlled illumination components:
• Drivers door module (DDM)
• HVAC control assembly
• IPC
• Radio
The DDM will then send a message through the simple bus interface (SBI) to the RH front door module (RFDM). The door modules will then illuminate the following components through the incandescent dimming output circuit:
• Air temperature switch
• Heated seat switches (W/KA1)
• Memory function switch (W/A45)
• Power door lock switches
• Power window switches
The ground for these components are provided from the DDM and RFDM.
The following components are grounded at G200:
• Headlamp switch
• HVAC control assembly
• IPC
• Radio
• Steering wheel controls
The following components are grounded at G201:
• Cigar lighter lamp
• DIC Switch
• HUD switch

Mar 13, 2017 | 2002 Buick LeSabre

1 Answer

My interior light won't come on in my 1999 Buick Lesabre. I have checked the bulb & the fuse. Can anyone help me with this problem? Any ideas are sincerely appreciated.


Courtesy Lights
The courtesy lights come on under the following conditions:
?€¢
Any door is opened.


?€¢
The interior lamp switch is in the ON position.


?€¢
The keyless entry transmitter unlocks the doors (illuminated entry).

When the key is removed from the ignition switch with all of the doors closed, the courtesy lights light for approximately 25 seconds before fading out.
Battery positive voltage (B+) is applied at all times through the IP fuse block CTSY LP/PWR MIR fuse 6A via CKT 640 (ORN) through the body control module (MALL) to the courtesy lights via CKT 1732 (ORN). The MALL provides a ground through CKT 156 (WHT) for the courtesy lights under the following conditions:
?€¢
The MALL receives an input from a door being opened.


?€¢
The MALL receives an input from the interior lamp being turned ON.


?€¢
The MALL receives an input from the doors being unlocked using the keyless entry transmitter.

The courtesy lamps then light.
When the courtesy lights are activated by opening and closing a door, the courtesy lights will remain on for approximately 25 seconds before fading out after all of the doors are closed. If the ignition switch is turned to START or RUN within the 25 seconds, the lights immediately begin to fade out. If a door is left open, the MALL removes battery positive voltage (B+) to the courtesy lights after 10 minutes. When the courtesy lights are activated by the interior lamp switch, the lights remain on as long as the interior lamp switch is in the ON position. When the courtesy lights are activated by unlocking the doors using the keyless entry transmitter, the lights remain on for approximately 40 seconds. If the doors are locked using the keyless entry transmitter within the 40 seconds, the lights immediately begin to fade out.
Body Control Module (MALL) Diagnostic Mode
For a detailed explanation of the MALL module diagnostic mode, refer to Body Control Module Cell 51.
What interior light ? Dome , courtesy lights etc....They don't work with switch, keyless entry , door opening ?
What

Dec 03, 2015 | Buick Cars & Trucks

1 Answer

1994 buick lesabre trunk lock-how can I open the trunk without using a key. the key doesn't work although it open the doors to the car. is there a release button somewhere? we do not have the r


If it has the electric trunk release, the button could be in the glove box.
Otherwise you may have to remove the back seat to gain entry to the trunk.

Jun 17, 2013 | 1994 Buick LeSabre

1 Answer

Interior lights don;t work when doors open


its easy its your fuse or the butten on the inside of your door.i had the same problem on my pt .look in the fuse panel under your dash.use a fuse tester on each one.and if you cant find it go under your hood mine was

Apr 20, 2013 | 2005 Buick LeSabre Custom

1 Answer

Trunk cargo light not working after LED installed....


The SJB supplies power to the interior lighting system. The SJB will set DTCs if certain circuit failures exist with the interior lighting system.
Visual Inspection Chart Mechanical Electrical
  • Courtesy lamps
  • Map lamps
  • Luggage compartment lamp
  • Vanity lamps
  • Glove compartment lamp
  • Smart junction box (SJB) fuse 3 (15A)
  • Circuitry
  • Courtesy lamps
  • Map lamps
  • Luggage compartment lamp
  • Vanity lamps
  • Glove compartment lamp
  • SJB

Check fuse # 3 SJB

Jul 07, 2017 | 2010 Ford Fusion 2.5

1 Answer

Interior lights will not go on have checked fuse under dash?


under the back seat is your second fuse box and battery.

Feb 10, 2012 | 1994 Buick LeSabre

1 Answer

We have a 1992 Buick Lesabre and the interior courtesy lights do not work.


One light...I'd check the bulb.
All the lights...I'd check the circuit by seeing if a fuse was blown.
Normally, a 10A fuse in the fuse block under the dash controls these lights...

Hope this helps...

Aug 27, 2011 | 1992 Buick LeSabre

1 Answer

Interior lights won't turn off 1999 BuicK LeSabre.


yes there is a relay switch in engine compartment or under dash

Jan 25, 2009 | 2001 Buick LeSabre

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