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Power Strokes
7.3 Tech
Battery Dummy Light Is on
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[QUOTE="lincolnlocker, post: 624763, member: 944"] let the truck sit over night and before you turn the key check battery voltage. if its below 12 with key off they are bad. with key on engine off it will draw down cuz glow plugs are activated but i dont think it should get below 10.8v or something. then after its been drove for a little while check idle voltage. should be back up to or a hair over 14 volts... with key on engine off thats where you will get your load test with the glow plugs activated. live life full throttle [/QUOTE]
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Battery Dummy Light Is on
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