2004 Ford Econoline – 6.0L Diesel Engine Intelligent Lift Interlock System (ILIS501-DC) - Installation Instructions
To aid in installation, first gain access to the connection points. Remove the lower dash panel below the steering column. Also, gain access to the lift power switch and the lift door switch circuits. These are usually accessible in the front control panel. It is not necessary to cut any Ford wires during the installation of the ILIS wire harness.
LED DISPLAY PANEL
– Using the supplied Velcro strips, mount the display panel to the right of the steering column on the dashboard. Ensure that the panel is visible from the driver’s seat before securing. Run the display wire harness through the rubber seal between the steering column and the dash. Snap the 6-pin connector into the matching connector in the ILIS main control module. Ensure that the connector is fully seated. Do not permanently mount the control module until the main harness is installed.
MAIN HARNESS
- Position the main harness such that the 12- pin connector is in position to be installed into the control module. The connector should not be installed into the module until the main harness is fully installed. All connections must be made with ignition power OFF! The connection points to be made for the installation of the main harness are listed below.
Shift Lock Circuit – Locate the Ford shift lock solenoid on the steering column and disconnect the black 3-pin connector. Be careful not to break the plastic tab on the connector. Insert the black female 3-pin connector from the main harness into the shift lock solenoid. Ensure that it is fully seated into the solenoid. Insert the black male 3-pin connector from the main harness into the connector that was originally installed in the shift lock solenoid. It is imperative that these connectors mate with the tabs on the same side. Use the small wire tie to secure the two tabs together. These connectors must not be allowed to separate!
Lift Power Circuit – Locate the lift power switch. Disconnect the circuit from the switch that goes to the lift relay. Note: this must be a power switch, not a grounding switch. Connect this circuit to the Blue/White wire from the main harness with a spade terminal. Connect the Yellow wire from the main harness to the power switch using a spade terminal. The lift power circuit must only activate the lift power relay/solenoid and must not draw more than 7.0 Amps. Do not power any other loads (ie: lights, motors, etc.) off this circuit.
Lift Door Circuit – Note: the door switch must provide a ground with the door open. A switch that provides power with the door open will not operate correctly! Locate the lift door switch circuit. Connect the Red/White wire from the main harness to this wire by stripping the insulation, soldering, and taping.
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