only just getting 12v on camper battery with car running ?
Submitted: Thursday, Jan 12, 2006 at 08:50
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time waster
with the 3 way fridge on in the jayco camper we can not seem to get the same volt reading as the main battery.
The set up is : main battery connected to second batt under bonnet via ARB smart seperator,6mm cable to rear of car to a 50amp anderson plug then 6mm cable from anderson plug to campers 80amp battery.
I have installed a digital volt gauge from jaycar to monitor the camper batt and on our last trip after 5 hours of driving the read out on the camper was 11.7V,all i can think is the 3 way fridge on 12v is using more power than can be supplied through the 6mm cable from the second batt to the camper. when i saw ths low read out i checked the batts under the bonnet and both around 14V.
any thoughts?
cheers.
Reply By: tonysmc - Thursday, Jan 12, 2006 at 15:56
Thursday, Jan 12, 2006 at 15:56
Time waster, not really solving your problem, however can I suggest not having the fridge on 12 volt when driving. I reason I say this is that for a 3way to work it has to be level and you will find that as the car is moving it will not be level long enough for the evaporation process to work, thus drawing power for nothing. I would just make sure it is a cold as you can get it overnight and when you hit the road turn it off and it will be like an esky. I am sure if you do a search on 3ways you will find this elsewhere.
As for the battery, years ago I had a similar problem with the deep cycle as the Aux and was told it was because they only accept a charge at a slower rate they need a long time (more than 5 hours driving) to get full once they have gone right down. I now only use starter batteries with a low voltage cut out and have never had a problem.
Cheers Tony.
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Follow Up By: Crackles - Thursday, Jan 12, 2006 at 17:54
Thursday, Jan 12, 2006 at 17:54
Tony the 3 way will work fine on 12 volt when driving. It's only when left stationary on an angle where they stop working.
Cheers Craig........
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