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Blue LED light under dash is flashing - 2004 Hyundai Santa Fe

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2 Answers

Replacing the turn signal flasher relay. I have installed LED bulbs and get the extremely fast turn signal flashes. I have a relay but can not find where to install it


If its flashing really fast and all lights on the circut are working you may need a heavy duty flasher as to location,depends on vehicle but they are usually close to the under dash fuse panel

Apr 28, 2015 | Cars & Trucks

1 Answer

I have problem with remote control, my remote control gives me blue light to switch the dashboard on but there is no lights coming on the dashboard. what is the problem


Hi, your remote has probably lost its coding. If you have the owners manual check page 65 learning additional remotes. If not do the following 1. Plug in the 6 pin hopped coded plug to control unit under drivers seat. 2. Press unlock button twice to disarm. 3. Press learn button on hopped coded plug. this erases all pre learnt codes. The led on dash should start blinking once per sec. 4. Press learn button on hopped coded plug again. The led on dash remains on for 4 sec. and then starts blinking faster. Ensure to do step 5 within 25 sec. 5. Press any button thrice on your remote that has a problem. 6. In response led on dash remains on for 4 sec and then blinks once per sec.This indicates that the remote has been learnt. Hope this helps.

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1999 Jeep Grand Cherokee wont start due to anti


Find unit under dash ( if you can), trace wires from ignition and bypass (jump) before to after unit, disables security but led light still flashes, you can then at least drive to a service centre.

Sep 30, 2014 | Cars & Trucks

1 Answer

Flashing blue light


Is it like a light flashing at regular intervals or is it like a wire shorting irregularly? Check for loose connections or shorts.

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My 1995 Jeep Grand Cherokee Laredo wont start and has blue security light flashing


Did u try unlocking the passenger door with the key?these are very common for the drivers switch goin bad

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1 Answer

Fast Turn Signals


I believe your aftermarket headlights have leds as your signal lights. They are now flashing faster because your electronic flasher module / unit is designed to measure current resistance to regulate the flash interval. As LED lights draw much less power than filament bulbs, the module thinks the lights are burnt out. Your hazards work on a timer to flash at intervals and does not work on the resistance.

You will need to replace the electronic flasher module / unit with one that is rated for LED. This unit should be under your dash near your steering column and will be labeled. The new one you replace it with should have LED stamped on it.

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2 Answers

What's the blue flashing light ?


It's probably your anti-theft device. Most of the time, they emit a blinking blue LED.

Aug 02, 2009 | 1993 Jeep Grand Cherokee

1 Answer

Transmision light on dash flashing


I have a similar problem with the S3 light flashing and the check engine light coming on as well as surging issues. On '88-'91 Preludes the ECU is located under the carpet on the right passenger floorboard. There will be a small flap in the carpet you pull up to see the ECU LED. Turn the key to ACC(radio on, but not started) and follow the directions on the link below. http://mustardcat.brinkster.net/p3g/Documentation/ECUerrorcodes/ECUcodes.htm

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1 Answer

Battery dead due to interior lights left on. won't start w boost


u might have an aftermarket alarm 2 if u see a flashing red led light on dash look for black box under dash if u see fuses that are in that wiring of the black box pull them out and then try to start or look for a valet mode switch under dash turn on key and flick switch then try 2 start

Mar 26, 2009 | 2002 GMC Yukon Denali

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