II PRO PLUS Snowplow #64750/64999/66901/66974/66980

OPERATIONAL TESTS AND FINAL ADJUSTMENTSVEHICLE LIGHTING CHECK1. Verify the operation of all vehicle front lightingprior to connecting the snowplow harness.2. Check the operation of the snowplow lights withsnowplow mounted to vehicle and all harnessesconnected.Turn signals and parking lampsParking lamps ON:• Both vehicle and snowplow parking lampsshould be ON at the same time.Driver-side turn signal ON:• Both vehicle and snowplow driver-side turnsignal lamps should fl ash at the same time.Passenger-side turn signal ON:• Both vehicle and snowplow passenger-sideturn signal lamps should flash at the same time.HeadlampsMove vehicle headlamp switch to the"ON" position. Connecting and disconnecting thesnowplow lighting harness plug should switch thelights between vehicle and snowplow as follows:Snowplow lighting harness DISCONNECTED:• Vehicle headlamps should be ON.• Snowplow headlamps should be OFF.Snowplow lighting harness CONNECTED:• Snowplow headlamps should be ON.• Vehicle headlamps should be OFF.Dimmer switch should toggle headlamps betweenhigh and low beams. The high beam indicator onthe dash should light when headlamps are placedin high beam.Snowplow lighting harness DISCONNECTED:• Vehicle DRLs should be ON.• Snowplow headlamps should be OFF.Snowplow lighting harness CONNECTED andvehicle in DRL mode:• Check snowplow DRL function per the type ofIsolation Module installed.Refer to the Mechanic's Guide for information onthe Isolation Module DRL functions.Joystick Control or CabCommand ControlThe snowplow plugs do need to be connected tothe vehicle harness connectors. The control powerindicator light should light whenever the controlON/OFF switch and the ignition (key) switches areboth in the "ON" position.3. Connect all snowplow and vehicle harnesses.Raise the snowplow and aim snowplowheadlamps according to the Snowplow HeadlampBeam Aiming instructions included with theheadlamps and any state or local regulations.4. Check aim of vehicle headlamps with snowplowremoved.CAUTIONOn 2-plug electrical systems, plug coversshall be used whenever snowplow isdisconnected. Vehicle Battery Cable is 12-voltunfused source.5. When the snowplow is removed from the vehicle,install plug covers on the vehicle battery cableand lighting harness. Insert the snowplow batterycable and lighting harness into the cable boot onthe snowplow.Daytime Running Lamps (DRLs)An operational check of the vehicle and snowplowDRLs will depend on the vehicle model, vehicleDRL system and type of Isolation Moduleinstalled. Due to the variations in the OEM DRLsystems and the different Isolation Moduleoptions available, checking the functionality of thesnowplow DRLs will depend on the type of moduleinstalled on the vehicle.With headlamp switch OFF, activate the vehicleDRLs.Lit. No. 66897, Rev. 07 22 June 15, 2010