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Old 10-15-2013, 07:22 PM
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Battery light on start up

I have a 08 CRD and occasionally on startup I will get the battery light on the dash. If I bump the gas pedal it will typically go off. When the light is on the system is at 12.4v roughly. So in my head the alternator isn't putting anything out. As soon as I tap the gas it bumps up to 14.4 and the light goes out. I put a new battery in it knowing the original one was about 5 years old. Put a new serpentine belt on it and the tensioner was good. Just wondering if anyone else has had this issue?

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Old 02-07-2017, 10:02 PM
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Re: Battery light on start up

I have the same rig and similar issue 5 months ago. Replaced alternator but light just recently started coming on again. Rolled it back the mechanic, he pulled alt and it tested good. The mysterious light is still popping on occasion...puzzling for me to...
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