Originally Posted by joesimoes2
How you can tell yours is charging is plug it in, start the truck, and with a multi meter set for 12v, check the battery and it should show 13v-14v. At rest, the battery will only show between 12v-13v.
If it's not charging, check to see that the lead out of the trucks plug for "12v" is hot when it's running. If it is, then maybe your trailer is not setup for that wire to charge the battery??
That is correct also. My trucks do charge the battery but not the irrigation van. Also 3 trailers sit for 5 months of the year, so that's the need of charging in the spring. Mid season is to make sure they are all good since they can go bad, we are not checking for charging often, and they can sit at times. Charging them doesn't take much time over a weekend.
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