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Here is some information on the VTS;
Always confirm that the fuse is in good condition. The7.5 amp fuse is in the MPEM module. Check the motor with a multimeter. Install the test probes on both the Blue/Orange and the Green/ Orange wires. Resistance should be close to 1.5 ohm.
If the motor seems to jam and it hasn’t reached the end of its stroke, the following test could be performed.
Remove the motor from the VTS. Manually rotate worm gear to verify the VTS for free operation. Connect it directly through a 15 amp fuse to a 12 volt battery. Connect wires one way, and then switch the polarity of the wires to see it work in the other direction. If it does run in both directions it could be the VTS module. If the VTS motor does not stop at the end of its stroke then the motor could be defective.
The VTS module receives it current from a 7.5 amp fuse in the MPEM.
Disconnect the Brown/Black wire and the Brown/White wire from the VTS module. Connect the probes of the multimeter to the 2 wires of the module. Push the start stop button to activate the MPEM timer,(gives power for 33 sec. without running engine). Push the VTS switch down position until motor stops. The ohm resistance reading should be 24 ohms+-1%. Push the switch button up until the motor stops and the resistance should be 167ohms+-1%. This test isn’t perfect but it should be close.
I hope this information helps out. Keep us posted on your progress.
Karl
