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China Clarke Posted on Jul 09, 2014
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Why does my 92 lexus sc400 have a good battery but no power at all when cranked, all dash lights on but flicker when cranked. clicking sound from engine fuse box when cranked.

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Gilbert Labont?

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  • Expert 195 Answers
  • Posted on Jul 22, 2014
Gilbert Labont?
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The clicking noise from the fuse box is the starter relay, that's normal considering the rest of the symptoms as it will stop working under a certain voltage like the rest of the lights and whatnot, then the voltage will rise again since all the accessories and everything turned off and everything will try to power on again, making the voltage drops, and so forth. If the battery is good and the car does this, then you definetly have a grounding problem. Either the connector on the battery is loose, or you have a damaged/corroded grounding strap/wire. Start by checking the connections on the battery to see if they are loose or not, and if they are fine, check the wire from the connection for corrosion or damage, and do the same thing for any other ground wires or straps and you will be sure to find your problem and get it starting like it should. The only other possibility which is VERY VERY VERY rare to see is a broken leed on the battery posts, which will not be visible since it happens inside the battery, but if you changed the battery recently or have tested with another battery, you can rule that out from the start and i'm 100% sure you only have a grounding problem.

  • Gilbert Labont?
    Gilbert Labont? Jul 22, 2014

    oh and if the terminals/connectors on the battery is loose on the pole but the nut is fully tightened, then you need to replace the terminals on the wires cause they are stretched and worn out. Forgot to point this out, sorry :)

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5 Related Answers

Anonymous

  • 48 Answers
  • Posted on Feb 27, 2009

SOURCE: dash lights all flashed on then engine died on

It sounds like your battery is dead. Try recharging your battery:)

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mkv0525

Mike Vincent

  • 358 Answers
  • Posted on May 27, 2009

SOURCE: 92 lexus ls 400 check engine and traction control light came on at the same time, 92 lexus ls 400.

the track off light will come everytime yhe check engine light comes on. this is normal. you need to have the check engine light checked first.you can go to your local parts house they will scan it for so you at least see what area you problem is in and then you can start from there. let me know lf you find out youe engine codes.

Anonymous

  • 7 Answers
  • Posted on Jun 24, 2009

SOURCE: i can't find the fuse box for a 1993 lexus sc400

The dash fuse block is located behind the kick panel to the left of where your feet would be on the drivers side of the car. There is also a block in the engine compartmentt

Anonymous

  • 73 Answers
  • Posted on Oct 12, 2009

SOURCE: Lexus sc400 electrical problem

the computer is bad and also these cars are known for the insturment clusters to go bad along with the computer. get them both fixed and it will solve your problem.

Anonymous

  • 8197 Answers
  • Posted on Oct 15, 2010

SOURCE: location of fuse box 1992

The fuse box is under the driver's side kick panel.

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