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I've been buying filled butt splices & connectors from http://www.partsexpress.com (not the cheapest place, though.) I haven't bought any filled heatshrink, you could always fill it with your own dielectric grease if you wanted.
HF has a box of various sized and cut "Marine" grade shrink tube that has the glue in it. Works great for most of what you will be needing to do with it. It comes in the little plastic organizer. Looks just like the others so make sure you get the one that is designated marine something or other.
I've been buying filled butt splices & connectors from http://www.partsexpress.com (not the cheapest place, though.) I haven't bought any filled heatshrink, you could always fill it with your own dielectric grease if you wanted.
yup. i build super high end residential and commercial audio racks for work. i dont use any sealant, but i'm not putting anything into the condition a buggy would see. i'd just fill it with some dielectric grease.
I wouldn't recommend the grease as much as I would getting a can of liquid electrical tape, coat the joint, then cover it with the heat shrink and heat. The excess will ooze out and will make a great joint.
I don't recall off the top of my head what silicone gives off when it cures, some caulking compounds do give off acetic acid, IIRC. Tom might have the best idea yet, a thin coat of liquid electrical tape, covered with heat shrink.
That's an interesting point about acetic acid, and yes, many common silicones give it off as part of the polymerization process. If it smells like vinegar while curing, there's your hint.
Me, I use heatshrink crimp terminals lined with a semiflexible sealant/glue and a good ratchet crimper. The terminals I use have clear (color coded) heatshrink on them, which makes it real easy to make sure you got all the strands of the wire(s) into the terminal and fully seated everything before crimping. They end up being pretty expensive but it's worth it for the peace of mind.
For clarification, if we are talking about a bike or off road vehicle we only use black or clear silicone and we have never had any problems, we use it for 3 reasons. 1) It makes an airtight seal when done correctly. 2) Shock and vibration resistance. 3) Better in extreme heat and cold than anything else we have tried, so it is not going to get brittle and crack.
Thanks for the info, I ended up finding some stuff on ebay and ordered it. Got it in and it seems to be pretty good stuff. Its much thicker wall then the autoparts store stuff and has glue/ sealer when heated.
Decent prices, though certainly more expensive than Harbor Freight. But huge selections, fast shipping and great quality. Also have nylon wire ties, including giant ones.