I've decided to use a high quality waterproof plug rated to 50amps from Jaycar. I've now got the proper crimping tool for the terminals
and I'll also solder the wires to the terminals. When I replaced the last reg/rec I didn't have the correct crimping tool so I wasn't getting a very good connection through the terminals, hence the resistance, hence heat and melted wires. But at least I'm learning new skills and I've now also wired up some new spot lights, a UHF radio and some LED camp lighting on my 4WD. Proper tools make a job so much easier to do, as does quality connection plugs and terminals.
and I'll also solder the wires to the terminals. When I replaced the last reg/rec I didn't have the correct crimping tool so I wasn't getting a very good connection through the terminals, hence the resistance, hence heat and melted wires. But at least I'm learning new skills and I've now also wired up some new spot lights, a UHF radio and some LED camp lighting on my 4WD. Proper tools make a job so much easier to do, as does quality connection plugs and terminals.