TM   10-3930-643-20 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING  AND  MAINTENANCE.  (cont) 4-2. Engine   STE/ICE   Tests. c.    TEST    14    -   COMPRESSION UNBALANCE (S/N 2001 AND ABOVE ONLY). 1. Refer   to   VTM-General   Setup   and   Checkout   Instructions   in   TM   9-4910- 571-12&P. Connect   power   cables   to   battery,   as   shown   in   paragraph   4-2a. 2. Remove  wire  lead  to  the  fuel  solenoid. 3. 4. 5. Perform   test   procedure   as   instructed   in   TM   9-4910-571-12&P. TBD. Return   vehicle   to   its   original   condition. 4-8