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GM Part Number 15032501
For the technical Data Sheet click here(PDF)
“ mount them in a dry air cooled location”
The biggest problem with these is that they were mounted in a bad location . Under the steps where the driver and passenger climbs in, No protection to the terminals at all. So rain especially and road salt spray will disintegrate the nickel plated studs. That is why the units do not last. If the installers protect the terminals like battery posts, this will solve the problem . These units are sold “as is”
FUNCTIONAL DESCRIPTION
The Battery Isolator Module is part of the vehicle Charging & Energy Storage System. It shall isolate the vehicle’s main system battery/batteries from the vehicle’s auxiliary battery during vehicle non-running, cranking and running operation while providing a connection to charge both systems. It is capable of conducting up to 170 amps at 100°C and 210 amps at 85°C. In addition, the Battery Isolator Module will provide a voltage feed to the generation output stud during ignition run operation. The Battery Isolator Module shall conform to Component Technical Specification TX – 133688 for 12 Volt, 210 Maximum Current operation.
ENVIRONMENTAL SPECIFICATIONS
The isolator is sealed and protected against dust, road splash, engine oil, gasoline, ethylene, brake fluid, washer solvent, and auto transmission fluid. The isolator is protected against shock and vibration.
