1999 Buick LeSabre Logo

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Posted on Jul 20, 2017
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My 1999 buick lesabre was in a flood after a couple of days it eventually started but no headlights or dash lights it ran for about 4 days now the car wont start it wont take a jump from a handheld jumper the headlights come on as soon as the jumper it connected but wont turn off and car does nothing ive checked all the fuses there all good and when you try to start the car it acts as if the battery was disconnected

  • xxgraffiti87
    xxgraffiti87 Nov 18, 2012

    I TRIED ALL OF THAT NOTHING WORKED I THINK IT MIGHT HAVE SOMETHING TO DO WITH THE SECURITY SYSTEM

×

1 Answer

deton8 von Splosion

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  • Buick Master 3,342 Answers
  • Posted on Jul 20, 2017
deton8 von Splosion
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Joined: Dec 27, 2010
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Hello xxgraffiti87,

Entire TELEPHONE offices have been caught in MUD-SLIDES:
The documented recovery process is to IMMEDIATELY remove all power... Water wash (fire hose) the equipment...

Air pressure clean the equipment and place massive fans while measuring humidity...

Restore power ONLY when humidity is at or below normal.

All that to avoid ELECTROLYSIS...

~~

In addition to the Battery distribution...
you have a GROUND distribution...

If you suspect an OPEN circuit... it is an IDEAL APPLICATION for a wire TONE-TRACER ... (see example below)
(they ONLY work on "open" circuits... You may have to pull a fuse of bulb to PROPERLY trace...
but it can find a multitude of troubles)

BEFORE you get to very exotic about key readers, transponders...
ELECTRONICS (et al).. You need to check your BODY grounds
(specifically)...

Lights working/not working is a good sign...

What SHOULD have been done was to
REMOVE ALL POWER... (keep off until totally dry)...
WD40... & compressed air... LOTs.

NOW... you might be able to clean corrosion with commercial corrosion cleaners... Brass bristle brush ... (
try not to remove or further damage the FACTORY SURFACE).

No sloshing or firehoses...

I use white vinegar & Q-Tips... Followed with clean water... then
Isopropyl Alcohol (70% or better)... Lots of AIR...
AIR DRY (for days)... Sparingly apply a anti-oxidant
(again... I first apply WD40... (water displacement)
Clean it all away & apply white lithium grease...

WD40 also sell a WHITE LITHIUM GREASE...
Do not confuse with the WATER DISPLACEMENT PRODUCT...!!

WD 40 Wikipedia

With power applied corrosion/oxidation will grow
quickly & should be easily seen...

Use FREE wiring diagrams to find main ground clusters.
(see below) brass wire, clean & dry all connections...
apply white lithium grease ...
(very sparingly to any visible corrosion)

Sealed units (like headlight relays... You have a BUNCH)
You might want to consider going to a wreaking yard with
a picnic basket...

If they got submerged... it is HIGHLY LIKELY they are STILL MOIST (inside)... and will only get worse.

FREE drawings... (and Tech Bulletins) at
BBB Industries website (registration required)
BBB Industries Premium Alternators Starters Power Steering Products

TONE TRACER...
Extech TG20 Wire Tracer and Tone Generator Amazon com

Hope this helps.

Carnac the Magnificent

5 Related Answers

A

Anonymous

  • Posted on Sep 29, 2008

SOURCE: Bought a new battery and my 1992 buick lesabre still won't start

i had the same problem on my '92 Lesabre ltd. All you need to do it is get the rust off your battery cables, use the wire brush to scrub the contact surfaces. also use a wrench to tighten the bolt to the battery, take precaution as to not to tighten too much , it might beak the battery threads.

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Anonymous

  • 1 Answer
  • Posted on Oct 09, 2008

SOURCE: My 99 Century Buick wont start

set it on fire, thats what i did

Anonymous

  • 416 Answers
  • Posted on Dec 11, 2008

SOURCE: car wont start

Check the starter and wiring coming to it.
Try to move them a litle to see if they are tight enough. Starter location you can find for free at
Autozone website.
Good Luck

Michael Gutwein

  • 104 Answers
  • Posted on Apr 29, 2009

SOURCE: Car wont start, no clicks no sound

make sure you have power getting to your starter when you crank. check the small nut on the starter. should have 12 v or very close to it. this will tell you if your getting power to the starter or if somethign before the starter and something maybe with your anti theft system or not. its hard to say online cause of that anti theft. doest the light flash at all? the anti theft light?

if your getting power to the starter when you crank make sure your getting good power to the starter by turning on the head lights and see if they dim. a good starter will cause the headlites to dim when attempting to start. if nothing dims check connections. or assume bad starter motor. make sure your also getting power to the main starter stud as well.

good luck
michael

Anonymous

  • 148 Answers
  • Posted on Jul 19, 2009

SOURCE: 1997 buick Lesabre limited all lights come on,wont start

the ingnition switch has a wire broken that wont allow the computer to turn the security system off to let the car start

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