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Have just got my HK Monaro up and running after 8 years in hibernation. Put a new battery in a few months ago and everything was fine.
A couple of weeks ago the temp, fuel, amp and oil pressure gauges stopped working but eventually came on after about 10-15 mins of driving. When they do come on the red amp light illiminates as well. While all this is happening if I engage reverse (turbo 350 trans) all the gauges die again and the amp light gets brighter. When I disengage reverse everything goes back to normal.
Last night was the first time I drove it in the dark and there are no dash lights or courtesy lights, but the headlights work.
I'm thinking the alternator requires replacing?
Could all these lights be not working due to low ampage and then come on after a while or minor charging?
If I do replace the alternator do I use an 80, 90, 100, 110 or 120 amp unit?
Thanks in advance.