Plug wires 240 EFI

[jsgraham]

Help me, while troubleshooting rough idle, saw a heck of a lightning storm while looking at the engine in the dark. Lots of spark traveling from the plug boot down the porcelain to the block. Might be time for new wires. Are these replaceable, or are they permanently part of the spark module? Dont want to trash a module by trying to get a plug wire off. Thoughts??

 

[jsgraham]

Figured it out, the wire is screwed in to the coil.