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I took these off about 6 months ago and just want to make sure that I put them back in their right spots and right sides. I couldn't find a pic that had this...
The (2) "tuning forks" go on the back of the engine so they stick out like wings, one on each side. There are some 4-hole rubber grommets required to fit inside those forks. There are 2 mounting holes 1/2" apart on the upper surface of the block near where the bellhousing would bolt up. One hole is tapped for a screw and the other one is for the tang at the base of the fork to fit into. The wires go into the grommets and then they feed into the "boomerangs".
The "Boomerangs" are shaped like a "V" and mount on the sides of the block. The wires for the 2 front cylinders on each side run inside them. YOU NEED TO RUN THESE WIRES BEFORE YOU INSTALL THE ENGINE if at all possible. They are difficult to install after the fact. You have (2) clips that mount on one of the oil pan bolts near the bottom of the "V" or "Boomerang". They help hold the wires in place while you install the boomerangs.
I have pix that I could send. PM me your email address and I will send you what I have. The AIM has good diagrams as well.