sky cart multiblock will not accept power

A clear description of what the bug is.
no power can be put into the skyCART multiblock. tried creative and normal transmission and belts. skyCRATE works fine.

To Reproduce
try any rotary power

Expected behavior
to use power

Environment

• OS: windows 10
• Minecraft version: 1.12
• Forge version:
• Immersive Intelligence version: 021
• Immersive Engineering version: 1298