Mount the cables p.811 on p.230, use the cables labeled with: SPP1-X1 SPP1-X2 , SPP1-X3 and SPP1 (Yellow/Green))Relieve strain on SPP1-X3 by securing it under the clamping bracket (Highlight on photo). Fill in Acceptance Record.Place the power unit in the back of the floor on the corresponding support bushings. Then mount p.600 (2x) and p.601 (2x) and p.604 (2x).