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What could be the problem to a 2000 Mercury cougar v6 auto if you bought a new battery a new alternator and my battery light keeps coming on and dims and my air bag light comes on help?
Wiki User
∙ 16y ago
start by doing a voltage drain test hook up a voltmeter on the positive side set to 10 amps if you got a drain start pulling fuses, when the drain drops the fuse on that circuit is your problem, probably a short to power or ground
Wiki User
∙ 16y ago
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