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The Terminator
Terminator Talk
Battery light on due to bad ecu?
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<blockquote data-quote="SecondhandSnake" data-source="post: 16551224" data-attributes="member: 116684"><p>I doubt it's the ECU. I don't believe it's connected to the alternator.</p><p></p><p>Is the alternator working? If it is, it's just the lamp circuit. It goes from hot at the fuse box, to the lamp, to the alternator. It might be shorted out somewhere between the lamp and alternator. Although to my recollection that wire goes in the harness under the driver's side fender.</p><p></p><p>If it's not working, check to make sure the other wire going to it (yellow) is giving battery power to the alternator to excite it, otherwise it won't charge. That should be fuse F1.20 in the battery fuse box.</p></blockquote><p></p>
[QUOTE="SecondhandSnake, post: 16551224, member: 116684"] I doubt it's the ECU. I don't believe it's connected to the alternator. Is the alternator working? If it is, it's just the lamp circuit. It goes from hot at the fuse box, to the lamp, to the alternator. It might be shorted out somewhere between the lamp and alternator. Although to my recollection that wire goes in the harness under the driver's side fender. If it's not working, check to make sure the other wire going to it (yellow) is giving battery power to the alternator to excite it, otherwise it won't charge. That should be fuse F1.20 in the battery fuse box. [/QUOTE]
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Battery light on due to bad ecu?
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