Hey guys, I know I'm late to the party here and it's probably been discussed but I finally got my Honda motor to function properly on my late '78 Z. It does it all! Intermittent, low, high and parks it correctly when turned off. I am happy to give complete details but basically it will work without adding any relays or disconnecting anything. I bought the motor from zcardepot and a used connector from ebay. This motor has a 5 pin connector and the Z has a 6 pin. The Z connector wires change colors at it's connector. These are the colors on the harness side, not the original motor side.
H=Honda connector, Z=factory connector
(H)grn/blk=(Z)blue/rd
(H)blk=(Z)blk
(H)blue/yel=(Z)blue/yel
(H)blue=(Z)yel/blk
(H)blue/wh=(Z)yel
Leave(Z)yel/grn disconnected