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The Terminator
Terminator Talk
Battery light coming on when in high RPM
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<blockquote data-quote="olympic" data-source="post: 16676656" data-attributes="member: 168598"><p>The extra wire connects to the "exciter" wire that turns on the alternator. For whatever reason the +12v signal through the factory exciter wire becomes unstable or weak at high RPM causing some aftermarket alternators to malfunction. Connecting the extra wire to a reliable +12v power source solves the problem and the alternator will function properly at all RPM. The one side effect is that if the alternator dies, your battery light in the dash won't light up. This is what I was told by another Cobra owner, I haven't tested it myself.</p></blockquote><p></p>
[QUOTE="olympic, post: 16676656, member: 168598"] The extra wire connects to the "exciter" wire that turns on the alternator. For whatever reason the +12v signal through the factory exciter wire becomes unstable or weak at high RPM causing some aftermarket alternators to malfunction. Connecting the extra wire to a reliable +12v power source solves the problem and the alternator will function properly at all RPM. The one side effect is that if the alternator dies, your battery light in the dash won't light up. This is what I was told by another Cobra owner, I haven't tested it myself. [/QUOTE]
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Battery light coming on when in high RPM
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