by LouisB [OP] » Nov 16 2012, 3:58pm
by Machster69 » Nov 16 2012, 4:16pm
by Gereke09 » Nov 16 2012, 4:20pm
by Z15 » Nov 16 2012, 4:46pm
by Gereke09 » Nov 16 2012, 4:59pm
by LouisB [OP] » Nov 16 2012, 5:07pm
by Rangel » Nov 16 2012, 7:43pm
by thegarage1410 » Jun 08 2015, 5:05am
by GIX1000_07 » Dec 24 2015, 6:32pm
thegarage1410 wrote:I know this is an older subject but looking for help. I understand how the system is supposed to work. But this is confusing me and any info would be helpful. SO here is the situation:
I have owned a 2011 Silverado 1500 for the past 5 months. Bought it used with 72,000 miles. I pay attention to the gauges all the time, always have in all my previous trucks. The volt meter never moved off of 14 like everyone is describing even when towing my open deck car trailer that is equipped with a winch and hardwired battery, until this weekend. I purchased a left over 2014 Keystone RV bumper pull camper. The truck now has 85,000 miles and on my way to go camping (about 125 mile trip one way) the voltage regulator dropped to around 11 or 12. Of course I panicked and found the nearest parts store to check for a bad alternator, they said all good no problems.
After arriving to the camp grounds I noticed that the battery in the camper wasnt fully charged. Next day left camping to head home, volt meter was bouncing from 15 down to 12. Still not knowing about the RVC system I stopped once again, checked system, all ok. But not convinced I bought and installed a new 160 amp alternator. To make sure it wasn't the camper causing it, I disconnected the camper battery (which was completely dead). After about 20 miles of a normal 14 volt reading it dropped again to 12 and stayed there the rest of the 80 miles home.
So how or why would this never move from 14 before. Now that I was hauling a load with a camper up the hills that lead out of Phoenix, would the voltage drop to 11 or 12 and not go back up. I was definitely not in economy mode and it didn't charge the camper battery when it was hooked up. I did have it in and out of TOW mode with no change in the gauge (which I find out is the recommended way to have constant charging).
Just looking for any help possible before going to the dealership and shelling out tons of money if its a simple fix.
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