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My Lexus shows no sign of electrical power. Battery is fully charged, but I get no dash lights, no beeps, no power to the seats, nothing. What's the deal?
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A few questions so I can help. Is this a Suzuki motorbike or a car? What EXACTLY does it do when you turn the key? How did you 'check for electric'? A vehicle battery should have between 12.6volts to 13.2 volts.
When you turn a starter motor over it needs a large amount of volts to power it, anything under 10 volts and it will struggle. Even a fully charged battery can struggle to turn a starter motor if it is old or faulty.
Try this. First look at the battery and check the terminals are clean and tight. Sometimes it can be as easy as that. Turn the key and look and listen carefully. Try to start the engine. Do you get absolutely nothing and no dash lights? Do you get dash lights which go off when you start the bike but you only get a quiet 'Click'? Do you get dash lights which go off and then a louder 'Clunk'? Does the engine turn over but it's very slow and lazy?
Absolutely nothing suggests a dead or totally flat battery and a lazy, slow starter is a low charge in the battery. A Quiet click could be the Starter Relay and a louder 'Clunk' could be the starter solenoid or the starter itself.
Use the comment button below with more information and i'll try to help more.
Make sure the connections are good at the battery and starter. Make sure the new battery is fully charged. It should read at least 13-14 volts. Just because lights come on doesn't mean the connection is good enough to start the engine nor does it mean there is enough charge to start the engine. The only other thing it would likely be is the starter solenoid itself. Kind of doubt it on an '04 Lex though.
seperate problems. you starter is under intake manifold and is most likly the problem and the dash lights go bad on older lexus ls400's.would have to be replaced.
It might be that when you changer the battery post you might not have connected all of the leads on the positive post. You might also check for blown circit breakers caused while changing the terminals.Try using a dc tester and search the main breakers for power. If you have the manual it shows the breakers and links in the bulb replacement section. JOHN-LA.
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