No worries Craig,
A few points about the process:
  • Cleaning - degrease the end of the cable inner thoroughly with something like 'Brakleen' before attempting to solder
  • Soldering - if using a soldering iron, it needs to be the old-style kind with a big copper bit - either electric or gas heated. Something with a serious heat output. A hot air gun will also work, but not a direct flame.
  • The best way is to use a small 'solder pot', heated on a hotplate or with a gas burner/torch, so that the cable end/nipple can be dipped into a pool of molten solder. E.g. a small tin can [not aluminium], or a pipe cap, would work well. The solder depth should be sufficient to fully immerse the nipple.
  • Solder type - 50/50 Tin/Lead plumbers solder, or 60/40 electrical solder are both OK.
  • Flux - Baker's Soldering Fluid is about the only readily available type, and works well. Dip the cable end into the liquid just before soldering, and rinse it well with hot water afterwards.

Cheers,
Gadge

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