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Old 04-16-2011, 01:19 AM
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ramvan2500 ramvan2500 is offline
Dodge Ram Forum Senior Member
Join Date: Apr 2011
Location: Florida USA
Posts: 1,917
Gender: Male
Vehicle: 1995 Dodge Ram B2500 Van
Trim Level: SLT - 2500
Color: Deep Molten Pearl Coat, Silver, Grey
Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
Rep Power: 5
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Check the alternator. Take a voltmeter and put the negative led (black wire) to the chassis ground and then with the truck running of course connect the positive (red) led to the positive terminal on the alternator. The voltage should be around 12-14ish volts. If the voltage keeps bouncing up and down then check to make sure all the battery cables are tight on there and the terminals are clean. If the alternator displays below 12 volts check into a new alternator.

NOT SAYING THIS IS THE PROBLEM but you can only diagnose one thing at a time. Like I said ECM possible alternator possible bad battery possible anything is possible.
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