LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

90 LS 400 Junction Box 2 Fuse Sparks on insert

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Old 03-03-13, 08:43 PM
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RogerLex
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Default 90 LS 400 Junction Box 2 Fuse Sparks on insert

Anybody know what the prolem is when each of the four fuses in the center of Junction Box 2 sparks when being inserted? This is my first post. Hope it works.
Old 03-04-13, 10:10 AM
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steve2006
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Probably because the circuits they feed are drawing current so you will get a small spark. Are they blowing as soon as you insert them?
Old 03-04-13, 12:33 PM
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TaffyK20si
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Originally Posted by steve2006
Probably because the circuits they feed are drawing current so you will get a small spark. Are they blowing as soon as you insert them?
this. ^ You should ALWAYS disconnect your neg. battery post when doing ANYTHING electrical on your car. That is step #1.
Old 03-04-13, 12:35 PM
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1sWt2GS
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Originally Posted by TaffyK20si
this. ^ You should ALWAYS disconnect your neg. battery post when doing ANYTHING electrical on your car. That is step #1.
i learned this the hard way (with LED's),
Old 03-11-13, 07:26 AM
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RogerLex
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Turns out it is only the "dome" fuse that sparks. Small spark, that does not blow the fuse. I know this fuse feeds all the interior lights, but all seem to be working. Still puzzled by the spark.
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