quote:

Originally posted by cas:

quote:

Originally posted by snidera:

You defeated the purpose of the battery cut off by bypassing it.

The purpose is so someone can't turn my lights, blower or anything else on while the doors are off most of the year. Adds a little anti theft as well.



I need to unhook the keyed hot and see what happens.

If the radio chassis is isolated from GND & the only GND is the wire going directly to BATT-, then my suspicion of another device finding ground is wrong. I still suspect that the potential difference between the cut-off vs direct batt connection is what is causing the radio to switch on. Can you clean the cut-off switch contacts?

My next guess is soldering defect or something stupid like instead of capacitors to filter the power/switched circuit in the radio they used 100+k resistors. Either loaded the wrong reel or ran out & just said fuck it. I've seen aftermarket radios do some weird shit, but not usually with as simply as yours is hooked up.

quote:

Originally posted by Cassandra:
Did FIAT buy LUCAS?

You win the Internet!