6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Another Altenator Question

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Old

Nov 9, 2017 | 04:24 PM

#16

vfelix702

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Joined: Dec 2010

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From: Las vegas nevada

Club FTE Silver Member

Try bench testing new alternator

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Old

Nov 9, 2017 | 04:27 PM

#17

ct1927

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Alternator voltage output...14.4 - 14.1 Volts. Alternator testing good.

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Old

Nov 9, 2017 | 06:21 PM

#18

TooManyToys.

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Joined: Dec 2014

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From: Jersey Shore

The alternator is reading 14.4v at the exact same time your dash is showing below 12v?

Alternator testing where/how?

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Old

Nov 10, 2017 | 06:11 AM

#19

ct1927

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At idle the alternator puts out 14.1 - 14.4 volts. When driving and (gradually) accelerating, per voltage reading from cigarette lighter (inside cab), voltage output drops below 12 volts. Voltage drops below 12V when accelerate, causing low voltage indicator light to flicker on dash.

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Old

Nov 11, 2017 | 03:50 PM

#20

wedge542

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Joined: Jan 2007

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Recheck that new belt routing and make sure belts tight, have you heard engine fan at all since new belt and alt put on?

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Tags

2003, 60, 97, altenator, alternator, check, duesel, f250, ford, mark, powerstroke, replacing, test, viii, voltage

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