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Wheelchair Lift Safety Interlock

The ITM150 series interlock systems provide the required FMVSS 403 interlock functions for public use platform lift installations on a Dodge Ram ProMaster Chassis with a gas engine. The control module has easy to install plug & play blunt cut T-cables. The lift enable is a 1.8 amp max. output compatible with current production Braun, Ricon and Maxon lifts. Diagnostic LEDs are located on the control module for the door, park, park brake, power, and lift enable signals.

Dodge ProMaster (Gas) Chassis Platform Lift Interlock (ITM150)

Key Features:

  • ITM150 supports only the gas engine ProMaster
  • (5) status LEDs on module for diagnostics
  • “T” cables included for easy installation of system
  • Park Position Sensor included
  • Monitors lift door and sets shift lock


  • Supports Dodge RAM ProMaster gas engine chassis
  • Lift door ground input to interlock
  • Lift enable 1.8 amps maximum, use relay for additional power requirements
  • Size: 4″ W X .05″ H X .5″ H
  • Operational Voltage: 8 Vdc to 16 Vdc
  • Operational Temperature: -40C to +85C

System Diagram:

Mechanical Drawings:

Harness Diagram:

Product Literature and Resources:

ITM 150 Data Sheet

ITM 150 Owners Manual

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