![]() The views and opinions expressed in this website are those of the author(s), and not necessarily to the author(s) employer, organization, committee or other group or individual. Also be aware that this is not an authorized Roadtrek site and is in no way affiliated with Roadtrek Motorhomes, Inc. Author(s) of this site assumes no responsibility and shall not be held liable for any indirect, special, incidental or consequential damages resulting from the use of the information. Thank you for your support.ĭisclaimer: All information and contents available on this website are provided “as is” with no warranty of any kind, either express or implied. Using the Amazon links on this site doesn't cost you anything and since we are Amazon Associates we may earn a small percentage of your qualifying purchase. DIY Rear Table Swivel Adapter/ Roadtrek Rear Table.Permanently Mounted Bullseye Level for RV Leveling.Battery Separator Upgrade to Blue Sea ML-ACR 7622. ![]() You can change the (+) cables terminal rings at this point if you prefer going that route. I also have to slightly enlarge the (+) cables ring terminal holes as ML-ACR terminal studs are slightly bigger (size 3/8") than the old isolator. I only needed to run 3 new wires (red remote, red (+), and yellow led wire) to the remote switch which I mounted on the dashboard next to the headlight selector switch. ML-ACR terminal studs wiring for the batteries are interchangeable, so no need to trace what wire goes to start battery or house battery. The replacement is pretty straight forward, same wiring were used from the old Sure Power isolator. For most applications, the cheaper 120 amp continuous rated Blue Sea SI-ACR should be plenty enough for alternator charging. I usually leave it to auto mode and turn it off (isolate) when house battery is charging from solar panels. ![]() With the remote switch, I can manually isolate and combine batteries from the driver seat. It also has a start and engine isolation feature, but I did not use those. It is dual sensing, senses charge on both batteries. Per manufacturer, it draws very low current (<40mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when changing state. It is pretty expensive, about $200 US, but for me it is well worth it. I replaced mine with Blue Sea ML-ACR model-7622, a 500 Amp magnetic latching (bi-stable) automatic charging relay with manual and remote control. ![]() The separator works fine, but draws about 1.5 amp when solenoid is energized and that is a significant solar energy loss. My Roadtrek came with Sure Power Battery Separator Model 1315-200, a 200 amp solenoid version. ![]()
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