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Thread: Overvoltage condition
03-15-2010, 12:19 AM #1
- Join Date
- Mar 2010
- Shawnee, Kansas
There seems to be an overvoltage condition in my 2008 Silverado 2500HD Diesel. It has the dual batteries. I took it to the dealer I bought it from and was told there was nothing wrong, but frequently, I see over 16 volts at the power ports. This has already ruined one of my mobile radio transceivers and I either have to find a way to limit the charging system to less than 15 vdc or buy an expensive add-on voltage regulator like the ambulances and similar vehicles use.
Does anyone know if the regulator can be adjusted to limit the voltage to 15 vdc or less?
03-15-2010, 12:41 PM #2
- Join Date
- Feb 2010
- Ajax, ON
Take it back to the dealer and insist they come with you for a drive. Plug a volt meter in and show them the 16 volts. Mechanics cannot fix something they do not see. I ran into this with my G5, it was grinding between 2nd and 3rd when cold. Mechanic said nothing was wrong, so I left the car there overnight and took him out the next morning. I could get it to grind every time, they fixed it after that.
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