I would go visit the local welding shop and purchase several feet of cable, purchase the lugs and military spec battery ends then crimp and solder shrink wrap.
Keep in mind there is a difference in lugs, some are all copper and somewhat thin, the others are plated and thicker.
Sounds like a possible bad compressor, Our Avalon would do great on the road but get slowed down in town with traffic and it would quit and the ac light blinked. Then shortly it would return. Tried the freon route but it was not to be. So hopefully you just have a bad "O" ring on the condensor
Here is a site where they show the breakdown on a Tundra. In this thread is 3 weights of fluid available with Toyota part numbers.http://www.tundrasolutions.com/forums/1gen-tundra/146009-easy-fix-mechanical-fan-v8-tundra/
Did not realize toolsrus posted just about the same time. thus I...
To begin with you might need a set of gauges to test the ac system pressures. Like posted you might have to jump the switch to get the compressor to kick in.
Does the compressor actually rotate? not the clutch but the actual compressor? turn by hand up front.
Can you apply 12 volts to the...
I am using the Hellroaring kit. Did not want any problems cutting into factory wiring.
Left the inverter for the laptop plugged in overnight found the main battery dead in the morning. Flipped the dash switch to the 2nd battery and instant start.
Its another case of which dual battery setup he is going to run. If its a hellroaring kit like I have in my Tundra then there is no factory wiring to mess with. Some require cutting in and splicing alternator circuits.
I was going to advise to put a pressure tester on the radiator and pump it up a tad to verify. But it sounds like you have it covered.
Yes things travel quite a bit especially running down the road, the under draft on a vehicle sucks things all the way under and out.