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98 Buick Lesabre turn signal fuse keeps blowing... What is more likely the LCM or BTSI? Bulbs are all okay...

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

emissionwiz
  • 75811 Answers

SOURCE: TURN SIGNALS 93 CHEVY CAVALIER

YOU MAY HAVE A BAD FLASHER UNIT OR TURN SIGNAL SWITCH.

Posted on Jul 28, 2008

  • 1779 Answers

SOURCE: signal light problem

If the signal lights don't work on either side, front and back, check the flasher, usually located on the fuse block. If this isn't it, let me know, we can continue from that point.

Posted on Nov 18, 2008

  • 1 Answer

SOURCE: 1995 Buick LeSabre - horn blows

My horn would honk without any assistance from me. The reason was because the plastic cover for the air bag and horn switches had shrunk so tight that it pressed on the horn switches. If your problem is intermittent then cold temperature would also cause the cover to shrink. This is how I solved the problem on my 1995 Buick LeSabre:
Disconnect the negative battery cable.

  1. Under the hood I found a long black plastic cover with the words, “Maxi-Fuse/Relay Center”
2. 2. There are two plastic twist locks (turn ¼ left) and one small wing nut holding the cover on. When the cover is off I see two black fuse covers side by side and below them are several relays. Some are gray and some are black.
3. My horn relay was the second from the left as I faced the rear of my car. It was gray. Some may be black.
4. A small green retainer tab had to be pushed out before I could pull the relay out. On the back of the relay were two orange wires that supply 12V. One green wire that goes to the horns and one black wire for ground that goes to the horn switch under the air bag.
5. I cut the black wire and wired in a spst push button switch that I connected to ground.
6. I mounted the push button switch near the driver’s door on a flat part of the dash. I used very strong double sided tape to secure the button switch to the dash.

My horns now are activated when I push my new horn switch button. My problem solved.

Someone recommended removing the air bag/horn switch unit from the steering wheel and relieving the tightness of the plastic cover. There are probably more than one way to this.

Posted on Jan 25, 2009

  • 196 Answers

SOURCE: 2000 Buick Lesabre custom liscense plate bulb

kind of tricky, took me an hour to get it figured out, but you got to opend the trunk and take out the 10 or so 10mm nuts sticking out of the backside of the lid, then the whole solid piece where the lights are on the back will slide off, then you can change the bulbs above the license plate and put it all back together

Posted on Mar 20, 2010

  • 105 Answers

SOURCE: locations of fuse boxes in a 2003 buick lesabre

If it is like the 2002, one is in the engine compartment near the jumping post. The other is under the back seat.

Posted on Apr 06, 2010

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There is a Turn Signal "Flasher" that should be on the Fuse Panel inside the Car. If not it will be in the Fuse Relay Box under the Hood. This is the Problem and needs to be Replaced. Let me know if you need more Help! Please Rate my Response, I need all the Help I can get! Thanks!

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Have you tried replacing the flasher? They're typically round, and with the fuses under/in the dash. They probably cost 10-15 bucks, usually available at your local autoparts store.

Nov 24, 2008 | 1990 Buick LeSabre

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