Look for a phone type jack socket. If it has one, you can plug in the jack that comes with that IOTA to make it go to a higher charging voltage (but still in the low 14s) To go back to 13.6, remove the jack. Or you can get the IQ4 to plug in there, which makes it a typical three-stage converter. (Recommended)
Without the jack, it is just a single stage 13.6v converter and will be very slow to do a recharge (which is not good when using a generator)
Some Jayco RVs with IOTAs back when, did not have the jack at all and were straight 13.6v.
