![]() It is necessary to 'excite' the alternator field so it can start charging. The E post requires +12V coming from the ignition 'On' switch. The A post goes to your alternator (make sure to fuse this if you add a whole new wire thereby bypassing the stock fuseable links). Here's the system I built and discarded because it doesn't work.įWIW - If you decide to procede with your installation: Loosing money on the Sure Power will suck but its not nearly as expensive as buying 2 new batteries every other year. Undervolting batteries drastically shortens their lives. If you could move the sense voltage wire to measure voltage at the battery, it would work. The diodes cause a voltage drop before the 13.7 v makes it to the batteries. Sure Power uses diodes to isolate the batteries. The sensing location is INSIDE the alternator. What happens is that the voltage regulator is measuring the alternator's output voltage to give a correct 13.7 v charge to the system. The Land Cruiser's alternators are not the 'special type' that work with the isolator. I even called several times to ensure I got a different tech to confirm. (Looking at the wiring diagrams for both the 60 and 62's shows the external wiring is the same.) I spoke to Sure Power's tech reps. I spent a lot of time trying to do on a 60 what you are trying to do on a 62. The packaging says it's specially made for Toyota internally regulated alternators. Since inventing the Battery Isolator in 1959, Sure Power has been designing and manufacturing innovative, reliable and cost competitive products and services for a wide variety of markets including off-highway, bus, and truck, marine and automotive.Ĭlick here to learn more about our safety guidelines, regulations, resources and more.I tried to use the same Sure Power isolator: 95 Amp, Model: 9523A. Sure Power Industries (now part of Eaton/Cooper Bussmann) provides a wide variety of quality products and engineering services designed to aid in the management of DC electrical systems. Manufacturer Profile : Sure Power Industries Motorola : Load-Handler series or BEM Remote Sense series.Japanese Imports : With alternators using external voltage regulator/external sensing.Jeep Vehicles : Equipped with Nippondenso-series regulated alternators.Chrysler Vehicles : All models and Years including Nippondenso external Alternators.General motros (Delcotron/Delphi) : Except Delcotron/Delphi CS-Series alternators.ĬS-Series is used on most 1985 and newer GM Vehicles.Isolators are available for most application needs. The most comprehensive line of Battery Isolators on the market.More efficient and reliable than mechanical or solenoid systems.Sold-State Electronics : Isolates each battery circuit and allows each battery to discharge and charge according to its own needs.Perform as well or better than existing factory installed compnents.Eliminate multi-battery drain when two or more battery banks are in a charging system.The Original, not an imitation! The Battery Isolator was 'invented' by Sure Power Industries in 1959!.Sure Power Industries is now owned by Eaton/Cooperbussman products may be labeled with their logos. They are more efficient and reliable then mechanical or solenoid systems, and have the reputation as the most comprehensive line of Battery Isolators on the market.įor optimum system performance it is recommended that a battery labeled "Deep Cycle" be used in the auxiliary position. Specifically designed to exceed OEM Specifications, they are equipped with Solid-State Electronics, which isolate each battery circuit and allows each battery to discharge and charge according to its own needs. They perform as well or battery then existing factory installed components. Multi-Battery Isolators are used to eliminate multi-battery drain when two or more battery banks are in a charging system. Sure Power Multi-Battery Isolators are the original Battery Isolator, and still the best on the market. Sure Power Battery Isolator 120 Amp | 1-Input, 3-Output | Multi-Battery Isolator | Group 1
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