There are differences in the wire loom and PTO clutch wire routing between the early CI grill Cubs and the later AL grill units. Seems the early ones have the loom running along the right side of the frame then up to the engine w/the PTO wire going down the left side. The later ones w/AL grill seem to have the loom going through a grommet in the fire wall and the PTO wire included in this bunch and going across the side of the engine to the right front to the PTO.
Just a few of my observations
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