Troubleshooting Diagnosis Chart, Below Floor Obstructions, Wiring Diagrams and Electrical Schematics Pre-2007 Power Door, Infloor Rampvan and Kneel Wiring Diagram. Kneel Electrical Schematic, Kneel Wiring Diagram, Electrical Schematic, Repair Parts Infloor Ramp Assembly Parts List Infloor Ramp Assembly Exploded View.
Troubleshooting : 1.11 Poor ground connection 1.12 Battery terminals dirty 1.13 Battery damaged 1.14 Battery discharged 1.15 12 volt source (check fuses for 12 volts) 1.16 Circuit breaker tripped or damaged.