Well the alternator is working well now. Only problem I currently have is that the transmission over temp sensor tells me I have an overheat even when cold.
Might be something to do with the 70CM deep river crossing to Sandy Creek falls in Litchfield. After I removed and emptied the headlights and spots of water (again), I removed the cover from the sensor and dried the contacts but to no avail. It can wait until I get home, although it went out for a second today, so hope is there.LOL
Since I am typing this with A TORCH JAMMED IN MY SHOUDER damn caps, I will go now.
Regards philip A

I recommend testing the hot springs in katherine (in the actual town) early in the morning..great way to start the day....having said that it was quite cool when we were there in July and I see it is a bit hotter now. The museum is well worth a couple of hours too...and a cruise up the gorge

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98 Disco 300tdi auto- ARB bar, winch, dual batts, snorkel, long range tank

Yes ,tried the hot springs and they are really good. Did a hot spring "crawl" by stopping at Bitter Springs at Materanka on the way to Alice.
We did the five gorge trip and it was great.
Stayed at Banka Banka on the way down, which is a Kidman station. they have a slide presentation which is an absolute diamond.
I disconnected the overheat light switch as no reason to have to replace the bulb as well as the switch.LOL
Today we planned to do teh complete Western Macdonald Ranges. No such luck. Visited Simpsons Gap, Standley Chasm, hedrmansberg, and Palm valley. The Palm valley bit took a lot of time a steh road in is bad and the last 5Km is over bedrock low range.
Then I tried to find the turnoff to Gosses bluff off the Mereenie Loop Road. The bloody turnoff doesn't exist as far as I could find and I wasted about an hour.
Ah well, we will stay another day to do the Northern bit,
Regards Philip A