I'd put money on the the fact it's got drained batteries. The clicking behind the dash is probably just the relays. Use a voltmeter and check the voltage while sitting and cranking, or just do this for good measure...
Remove all 4 terminals, put a battery charger on one side. Clean the CRAP out of the other side, and reinstall the cables and use protectant. Put the charger on the side you just worked on and then clean the other side just like the first.
Let it charge until the batteries are >11 volts while cranking.
Last edited by Marty; 01-03-2008 at 12:51 PM.