Dielectric question

[fotoguzzi]

When I touch the #3 boot I got a shock.  Kid gonna take it in for new plugs and wires. It now has a misfire under load so would it help contain the spark by smearing dielectric grease all over the outside of boot and wires? Enough for him to drive 5 or so miles to the shop?
This is the on going Subaru saga, I put in new coil pack that fixed it for 300 miles, I hope new plug wires will
Fix now. Thoughts?

[elvisboy77]

Get an old piece of rubber heater hose, inner tube etc and wrap it around the piece that is arcing...worked for me a couple of times.

[fotoguzzi]

[fotoguzzi]

Get an old piece of rubber heater hose, inner tube etc and wrap it around the piece that is arcing...worked for me a couple of times.

Brilliant, thanks..

would like kid to get greasy, will D-grease help?

[twhitaker]

will D-grease help?

Are you waiting for Wayne's opinion?

[fotoguzzi]

Are you waiting for Wayne's opinion?

yes, I know it's non conductive so wonder if it will suppress the arching from the boot.

[acogoff]

     How hard could it be to pull out the #3 plug for a look and possibly replace.  Must be pretty goofed up if it is easier to ground though you than to jump the gap to ground. Dielectric? Wasting your time.

[Wayne Orwig]

yes, I know it's non conductive so wonder if it will suppress the arching from the boot.

That is sort of what dielectric grease is intended to do. But I think something more physically substantial, like even simple electric tape, would do the job better.

[rodekyll]

I vote for running the wires through rubber tubing or hose.  I do that with all my bikes.  should work for a car.

[pat80flh]

Dielectric grease won't help that. There used to be a spray on plastic coating to seal up ignition systems, wires, distributor caps, etc that has a chance of working.

 Another option would be to buy the kid a AAA membership and have the car towed to the shop.

 Or just have him drive it, at this point 5 more miles isn't going to matter.

[jbell]

If it's the boot that is arcing, liquid electrical tape should do the job, for the wires, the outer hose trick should be a better fix.

[Bisbonian]

Dielectric grease won't help that. There used to be a spray on plastic coating to seal up ignition systems, wires, distributor caps, etc that has a chance of working.

 Another option would be to buy the kid a AAA membership and have the car towed to the shop.

 Or just have him drive it, at this point 5 more miles isn't going to matter.

I've used ignition sealer for an arcing coil on a motorcycle. I meant it to be temporary until the new coil came in but never got around to swapping it out since the arcing never returned.

[eldoroddo]

Ooh! I see your problem! You have two #4 spark plug wires!
Seriously, a few wraps of electrical tape should quell that spark.
Is it the boot that's cracked?
Another thing that happens is that the core of the wire breaks where it rests against the clip inside the boot. Maybe cut off the broken section, re-strip and reconnect.
Or just buy a set of new wires.