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Josh -
Well, it's 10:15pm Wednesday night, I hope you found enough info to move on. What you describe is the result of the thi red wire on the alternator not performing correctly.
When the engine is not running and the key is in II, the dash warning lights all light up. They get voltage from the battery, and then the ground side flows through that red wire to the alternator, in one brush and out the other, and thence to the alternator frame.
The alternator itself must be grounded to the block as it is mounted on rubber bushings. There is a ground strap there, check it.
A. If that red wire doesn't touch anything, you get (1) NO warning lights and (2) NO charging.
B. If it touches a ground somewhere you get (1) warning lights that are on when the engine is running and (2) NO charging.
Your problem is B. Quick fix is to by-pass the harness wire. Get a #14 wire, preferably red, rig it with a female spade connector for the alternator connection. Route it along the RF fender, then across the firewall to the gray 8-place connector, about half-way across.
Said connector is the other end of the in-harness red wire. The connector can be un-clipped from the firewall, and the two sides un-connected. The female side can be opened up - be careful to get all the wires back in their proper holes. Each hole has a number.
The red wire should be in position #3, if your '82 is like my '84 240. Were I you I would find a matching female terminal for the by-pass wire and place it in the connector, leaving the old one just hanging out there.
(I found that the 2-wire connectors for the front parking/turn signals from a pre-1986 240 contain the correct type of female connector.)
Put all that back together, get a battery charge, and you're off! BTW, get a charge, do not rely on the alternator. The alternator puts out a relatively small amount of current that is designed to replace what's used in starting. If the battery is door-nail dead, a large charging load can demand enough load from the alternator to blow a diode - more bux and hours to fix.
Hope this helps. Too bad about the rainy weather.
Good Luck,---- anyway.
Bob
:>)
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