How to wire DC-DC Charger?
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Manual at : 12V 20A DC to DC On-Board Battery Charger
Page 12 of the manual says to connect that D+ lead to a wire that goes live (hot) when the ignition is ON.
Are you using this Renology device with a solar panel to charge an auxiliary battery, or for charging a house ( auxiliary ) battery from the vehicle charging system?
Rod J
Issaquah, WA
Page 12 of the manual says to connect that D+ lead to a wire that goes live (hot) when the ignition is ON.
Are you using this Renology device with a solar panel to charge an auxiliary battery, or for charging a house ( auxiliary ) battery from the vehicle charging system?
Rod J
Issaquah, WA
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I am seeing the same in the manual.
I've been looking at this website (chevrolet-astro-1996-2005-fuses-and-relay) and saw that fuse #8 might work? I put the ATM fuse tap into the radio fuse spot but it didn't work. I thought it would because the D+ only needs to read that it is hot and the radio is live when the car is turned on...
Currently, the DC-DC charger is wired to an Off/On switch (I want to control it manually instead of it being on all the time) to an ATM fuse tap. My big question is which fuse spot would work best for this? I would like to use this spot instead of a fuse under the hood (if I can).
I want to use this device to charge my two auxiliary 100 Ah (each) lithium batteries with solar panels.
I've been looking at this website (chevrolet-astro-1996-2005-fuses-and-relay) and saw that fuse #8 might work? I put the ATM fuse tap into the radio fuse spot but it didn't work. I thought it would because the D+ only needs to read that it is hot and the radio is live when the car is turned on...
Currently, the DC-DC charger is wired to an Off/On switch (I want to control it manually instead of it being on all the time) to an ATM fuse tap. My big question is which fuse spot would work best for this? I would like to use this spot instead of a fuse under the hood (if I can).
I want to use this device to charge my two auxiliary 100 Ah (each) lithium batteries with solar panels.
If you want to control it manually then you can use any always on voltage source with your switch. You will want an ignition switched source if you want it to turn on/off automatically with the ignition. Wiring diagrams are available(see link in sig) online.
IMO I wouldn't bother installing that if you are going to be wiring it to solar panels, it would be much better to use a solar specific MPPT charger or a dual input charger depending on your planned usage. They have their 20amp MPPT solar charger available on their site for $88 shipped. I don't know what solar panels you are using, but you are most likely going to see a higher voltage than that DC-DC charger will handle and you are going to hit the high limit and it will go into shutdown.
I would use 16 or 20 as they are only on in run and start positions. I wouldn't use the radio fuse because it's on in the accy postion and the run postion, but not in the start position,
IMO I wouldn't bother installing that if you are going to be wiring it to solar panels, it would be much better to use a solar specific MPPT charger or a dual input charger depending on your planned usage. They have their 20amp MPPT solar charger available on their site for $88 shipped. I don't know what solar panels you are using, but you are most likely going to see a higher voltage than that DC-DC charger will handle and you are going to hit the high limit and it will go into shutdown.
I would use 16 or 20 as they are only on in run and start positions. I wouldn't use the radio fuse because it's on in the accy postion and the run postion, but not in the start position,
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I am using a 40 Amp MPPT, 4 - 100 watt solar panels, 2 - 100 Ah batteries, and a 2000 watt pure sine wave inverter. Of course I have all the wire, breakers and busbars needed for a complete setup. All of it is already installed. Just trying to figure out how to hook up the D+ cable correctly at this point.
I will try the 16 or 20 slot tomorrow when I work on it again! Thanks for the advice.
I will try the 16 or 20 slot tomorrow when I work on it again! Thanks for the advice.
I understand now, this is the statement that confused me.
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I have the same 20amp dcdc charger and needed to find a D+ connection on my astro. I can confrim that fuse port 20 works. Thanks!
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