Plug wires for ‘71 Merc 20hp

JasonB

Lieutenant
Joined
Feb 10, 2003
Messages
1,457
Picked up an old ‘71 20hp to play with and found a broken plug wire. I patched it together enough to verify it will run, but will regular merc 7” and 9” plug wires for older models work?

The coil side of these look like a U shaped electrode soldered as a cap over the wire.
 
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