WHATS WITH PLASTIC over wires ............

[tire fryer]

just put tune up on my pos dodge ram why is there a plastic cover on wires? To stop arching,from heat? WTF it looks like an import now with all that plastic shit covering.Also the groung from block to fire wall, wire is bout ft 1/2 can a shorten it to 8 inches????????

[speedy]

That is so they don't chaffe on stuff and then cause arcing

[HonkIfPartsFallOff]

just put tune up on my pos dodge ram why is there a plastic cover on wires? To stop arching,from heat? WTF it looks like an import now with all that plastic shit covering.Also the groung from block to fire wall, wire is bout ft 1/2 can a shorten it to 8 inches????????

Factory installed. But prior to the factory installing it, it was a TSB to fix a misfire condition. You can take it off, but don't be surprised if down the road you get a check engine light with a "Multiple cylinder misfire detected"

As for the ground, there is probably an assembly line reason for it to be so long.