FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
Home
>>
Hummer
>>
2010
>>
H3 L5-3.7L
>>
Repair and Diagnosis
>>
Specifications
>>
Electrical Specifications
>>
Battery
Battery
Battery Usage
Paraitic Draw: A drop of more than 10-20 mA, when disabling a single system or circuit, is an indication of an overly high current draw that could be causing the battery drain.