TM 9-2320-360-20-1 WARNING Jewelry can catch on equipment and cause injury or short across electrical circuit and cause severe burns or electrical shock.  Remove rings, bracelets, watches, necklaces, and any other jewelry before working around HET Tractor. CTIS WIRE HARNESS CONTINUITY TEST (1) Disconnect CTIS wire harness connector from power manifold. (2) Disconnect CTIS wire harness connector from controller. NOTE Pay special attention to positions 1,3, and 8. (3) Place positive (+) probe of multimeter on position 1 of connector at controller end. (4) Place negative (-) probe of multimeter on position 1 of connector at power manifold end and check multimeter for continuity (5) Repeat steps (3) and (4) for remaining positions 2 thru 10. (6) Install CTIS wire harness connectors back on power manifold and controller. WIRE NO. 1058 VOLTAGE TEST NOTE · CTIS wiring harness must remain installed to controller and power manifold when performing this test · Tire pressure should be over 60 psi to perform this test. (1) Turn engine switch to ON position and/or press start button (TM 9-2320-360-10). (2) Set CTIS controller selector to EMERGENCY position (TM 9-2320-360-1 0). (3) Move CTIS switch to ON position (TM 9-2320-360-10). NOTE Wait for power manifold to stop clicking before continuing with test (4) Place positive (+) probe of multimeter on position 3, wire no 1058 (red), of CTIS wire harness connector at power manifold (5) Place negative (-) probe of multimeter on known good ground. (6) Press CTIS START button and look for voltage on multimeter. (7) Turn engine switch to OFF position and move CTIS controller switch to OFF position (TM 9-2320-360-10) Change 1  2-835