Question about Buick LeSabre

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I am looking for the order of relays and what there function is from left to right facing the front of the 1994 buick lesabre. All of the relays are the same part number except two of them and they are next to one another with two fuse blocks just above. These are all under the hood up against the firewall.

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  • sgamble6429 Jun 22, 2009

    I know where the relays are, I want to know what function for the location of the relays from left to right. I would like to swap alike part numbered relays to solve fuel pump relay problem. There are 8 or 9 relays side by side and I would like to know there functions so I can decide which relays to swap. The relays are under the plastic cover.

  • sgamble6429 Jun 23, 2009

    I was able to swap all like relays but this did help my initial problem of fuel pump not running properly. When I start the car it will run for maybe 4 seconds then go into a mode that will eventially leading to the engine dying. The service ligtht is on now, how do you look for service codes on this car? Add what is the approximate cost in replacing fuel pump in the tank?

  • Raymond Ramirez
    Raymond Ramirez May 11, 2010

    is it on the underside of the cap. normally thats where they put it... if not reply so I canget it for you

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  • 331 Answers

I am sorry. Is the diagram for the relays on the underside of the lid that cover the relays

Posted on Jun 22, 2009

  • Raymond Ramirez
    Raymond Ramirez Jun 23, 2009

    I am so sorry... I stand corrected the relays we are looking for

    should be at the passenger compartment relay centre, behind right side of dash.
    I am unable to get any diagrams to show you. I did look at the pumpand there are showing a price between 89.00- 189.00 I suspect that the tank maybe have to be dropped not unless you can access under the back seat through the floorboard. May I ask if you are going to do this?



    It might sound strange but I am going to do this for a guy I met at autozone yesterday. On his toyota camary.

  • Raymond Ramirez
    Raymond Ramirez Jun 23, 2009

    I dont know if you can get the car to autozone. They will scan it for free. I suspect you have a 1 cylinder lean error because the fuel is not strong enough. I was sure there was somethng that you can do to could the flashing lights on the dash to get the error codes. let me investigate and get back to you

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1 Answer

On the engine of a 1993 Buick LeSabre (Custom) 6 cylinder, 3.8 Liter, what is the spark plug numbering, front & rear left to right facing the engine?


153624 is possibly the firing order but the numbering of the cylinders ? never seen one so i wouldnt know sorry their out engines here in europe only use 4 cylinders and the newer ones 3 cylinders try 143625 if the first firing order doesnt work ,i would expect no 1 to the front left but i just dont know i could work it out with head under the bonnet and follow the rockers working out the timing but offhand no idea

Dec 31, 2012 | 1993 Buick LeSabre

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Where is the reset button on the 94 buick lesaber


We are assuming that you are talking about Fuel Pump Relay; so, take the plastic cover off the Power Distribution Center. There may be a plastic tab retaining the cover, depending on the model LeSabre you have. With the cover removed, stand before the power distribution center so that the square relays within it visually appear horizontal.

Locate the fuel pump relay in the lineup of relays within the power distribution center. If you're looking at the relays from the correct position, you should see two horizontal rows of five. Count from the right over to the third relay in the top row. This is your LeSabre's rear defogger relay; directly below it is the fuel pump relay. Disconnected and connected again to electrical reset it.

Additionally, this video could be helpful, 93 Buick Lesabre fuel pump relay location...



Good luck.

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Where is the fuel filter located on a 1994 buick lesabre


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Dec 10, 2010 | 1994 Buick LeSabre

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Firing order Diagram on 1994 buick lesabre 3.8L


For the 1994 Buick LeSabre 3.8L V6:

Firing Order:
1-6-5-4-3-2

Cylinders:
......(back)......
|...2....4....6...|
|...................|
|...1....3....5...|
.......(front)

Ignition Coil Connections:
...(back)
.......o <---6
O
.......o <---3
.......o <---2
O
.......o <---5
.......o <---4
O
.......o <---1
....(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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94 BUICK LESABRE RADIO WIRING


1994 Buick Lesabre Car Stereo Radio Wiring Diagram
Car Radio Constant 12V+ Wire: Orange
Car Radio Ignition Switched 12V+ Wire: Yellow
Car Radio Ground Wire: Black
Stereo Radio Illumination Wire: Gray
Stereo Radio Dimmer Wire: Brown
Stereo Radio Antenna Trigger Wire: N/A
Stereo Radio Amplifier Trigger Wire: N/A
Front Speakers Size: 4′ x 6′
Front Speakers Location: Doors
Left Front Speaker Wire (+): Tan
Left Front Speaker Wire (-): Gray
Right Front Speaker Wire (+): Light Green
Right Front Speaker Wire (-): Dark Green
Rear Speakers Size: 6′ x 9′
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Left Rear Speaker Wire (+): Brown
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Right Rear Speaker Wire (+): Dark Blue
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May 15, 2010 | 1994 Buick LeSabre

1 Answer

What is the firing order of a 94 Buick lesabre?


1994 Buick LeSabre 3.8 liter V-6 VIN "L"

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Hope helps (remember rated this).

May 09, 2010 | 1994 Buick LeSabre

1 Answer

Spark plug firing order


The firing order for this vehicle is 1-6-5-4-3-2. When you are standing at the front of the car looking under the hood, the plug in the left corner of the engine is firing in cylinder 1, as you move to the right you see cylinder 3 and 5. On the other side engine (the side facing the firewall) going left to right is 2 4 and 6. Remember, this is what you see standing in front of the car, not the engine. If you want to stand in front of the engine you will have to be standing at the passenger side fender!

Once you know this, it is easy to see the cross pattern in which the engine fires. Hope this helps you, cheers!

Dec 16, 2009 | 1990 Buick LeSabre

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Where does the firing order start on a 1991 3.8 buick lesabre. 165432


There are six VIN numbers of engines for the 1991 Buick Lesabre, with a 3.8 Liter engine.

1.Vin B
2.Vin 3
3.Vin C
4.Vin 1
5.Vin L
6.Vin K

All have the Firing Order of 1-6-5-4-3-2

For Vin B and 3:
Hood open, looking at the engine from the front of the car. The coil pack is behind the engine, close to the firewall. (Under the windshield)
The crankshaft pulley is down on the left side.

Spark plug numbering, for the spark plugs close to the radiator side.
From Left; (Front of engine), going Right-> 1-3-5
Spark plug numbering, for spark plugs on the backside of the engine.
From Left going Right-> 2-4-6

The distributorless coil pack sits on the backside of the engine, close to the firewall.
Numbering of where to put the spark plug wires;
There are three spark plug towers close to the engine. From Left to Right -> 3-5-7
There are three spark plug towers far from the engine. From Left to Right-> 6-4-2

For Vin C, 1, L and K:

Hood open, facing the car.
The Front of the engine faces to the Right. The crankshaft pulley is down, and to the Right.

Spark plugs close to the radiator;
From Left to Right-> 6-4-2
Spark plugs close to firewall, (Below windshield)
From Left to Right-> 5-3-1

The distributorless coil pack sits on the right side, in front of the engine. (The Front of the engine is on the right side. The crankshaft pulley is on the Right side)

Starting at the ->Back and coming Forward. (To the Front of the car)
On the Left side of the Distributorless Coil Pack, it is -> 4-2-6
On the Right side it is -> 1-5-3

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1994 buick lesabre relay


I researched this problem and it seems the turn signal switch is the culprit for this problem.

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Here is a picture of cylinder ocation and firing order.



1994 Buick LeSabre
3.8 liter V-6 VIN "L" 92717856.gif

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