Question about 1992 Lexus Ls 400

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What will cause the 120amp fuse to blow in ls400

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Hi, this must be a dead short. if you connect a lamp and lamp holder with the battery and the other side of the fuse if the lamp is lit the short is still present. LEAVE THIS LAMP CONNECTED this testing can take a long time. you need to disconnect, seat motors, or any HEAVY CIRCUITS.ALTERNATOR TO CAR MAIN CABLE IGNITION SIDE. WHEN THE FAULT IS FOUND THE LAMP WILL DIM OR GO OUT. i am sorry that i cannot do any more. hope you sove this. gerry

Posted on Sep 10, 2010

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