TM 10-3930-671-24 Table 2-2.  Unit Troubleshooting Procedures - CONT. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION ELECTRICAL SYSTEM (CONT.) 35. BATTERIES WILL NOT HOLD A CHARGE. Step 1. Check battery connections. If battery connections are loose and/or corroded, clean, tighten, or replace connec- tions (Para 3-27). If battery connections are tight and clean, go to step 2. Step 2. Test batteries (Appendix F, Starting System Troubleshooting, Section 6.11). If test result indicates batteries are faulty, replace batteries (Para 3-25). If test result indicates batteries are OK, go to step 3. Step 3. Check continuity across battery cables. If battery cable(s) has no continuity, replace battery cable(s) (Para 3-26). If battery cable(s) has continuity, go to step 4. Step 4. Check drive belt adjustment. If drive belt requires adjustment, adjust drive belt (Para 3-20). If drive belt is OK, go to step 5. Step 5. Test voltage regulator (Appendix F, Prestolite Altemator Service Manual, Section 6.9). If test result indicates voltage regulator is faulty, replace voltage regulator (Para 3- 21). If test result indicates voltage regulator is OK, go to step 6. Step 6. Test alternator (Appendix F, Prestolite Alternator Service Manual, Section 6.9). If test result indicates alternator is faulty, replace altemator (Para 3-20). If test result indicates alternator is OK, wire #22 faulty.  Notify DS/GS maintenance. 2-24