so are you guys using flux core solder too? I'm a little surprised so many insisting additional flux is absolutely mandatory for something like this.
I'm using a rosin core 60/40 solder. the rosin core of the solder should be enough to reduce oxides at the points of contact and give a good solid connection. the rosin core flux does work to remove contaminants and oxidation, when dealing with relatively clean stuff to begin with I feel it's adequate for a really good solid connection, I thought that's what it's designed for. are you guys saying no?
I've used rosin core solder at work on wiring repairs that are on used oxidized wires from damaged vehicle harnesses. of course I clean them well and use flux when I can but in a pinch I can use rosin core solder to actually clean the wire and make a good joint just by overfeeding the solder into the dirty joint, you can see the solder drawing out all the oxides and actually see the flux doing it's job, after feeding a lot of excess solder into the joint allowing the excess to ruin off you will see that the joint is no longer spewing crud from the wire and the connection becomes a clean adequate joint. only point I'm making is rosin core solder does provide flux and it does actually work. I'm surprised so many feel it's inadequate. I've been soldering for years but I've never had any formal training, is there some reason I'm missing that a rosin core alone is really inadequate? I never thought it was until you guys jumped all over me on this
