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Old 01-27-2012, 10:32 AM
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Question Odd volt meter reading

Hey guys,

So almost every time I start my truck and it has turned over the volt meter reads an awful low reading. If I turn on the headlights right after starting it they, as well as the dash lights, will be dim for about a minute and then everything gets up to its normal brightness. Is this a pretty standard thing? I know that the glow plugs draw a huge amount of current but I wasn't sure if this was an indication of an alternator going bad. Any thoughts or similar stories?
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Old 01-27-2012, 11:25 AM
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It's normal. The glowplugs draw a ton of current. They also will stay on for 1.5 to 2 minutes after the key is turned to start (the WTS light does not indicate when the plugs are actually on ... the voltmeter is a better indicator of that). Cheers!
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Old 01-27-2012, 01:48 PM
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Perfectly normal.
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