Operation CHARM: Car repair manuals for everyone.

II. Charging and Testing the Battery: Overview

All no-start, slow cranking and/or frequently discharged battery conditions should be thoroughly diagnosed to avoid unnecessary replacement of Delco Freedom batteries. The battery should be charged and load tested in accordance with established service procedures as described in the Chevrolet Shop Manual before considering battery replacement. Each battery in a diesel equipped vehicle should be tested separately. To properly charge and test batteries, the following items should be considered.