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Discussion Starter · #1 ·
As we all know the radio in the 164 is supposed to stay on until you remove the key and mine has always worked as designed until about a week ago. Now it turns off with the key. While this not a big deal, it concerns me in that is probably indicating something is starting to go bad. Does anyone know how this circuit works and what would make it fail?

Thanks
 

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1991 164L
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Does your door chime work? The micro switch in ignition switch works door chime and grounds radio power relay.

See radio wiring page 640 in wiring book.
 

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Sometimes mine leaves the radio on and sometimes it cuts right out when I turn off the key. Even when on, the slightest bump of the key cuts the radio off. I just assumed it was worn down now.
 

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Discussion Starter · #4 ·
Haven't paid much attention to door chimes. I'll check them out tomorrow. I've been suspicious about the ignition switch for a couple of months as I've had a couple of instances where it wouldn't start. Then after it sits for awhile it fires right up and runs and starts great.
 

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If it cranks but won't start, it may be the fuel line inside the tank.
 

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Discussion Starter · #6 ·
Did the fuel line about a year ago. When it decides not to start, I can smell gas, so I'm pretty sure its a spark problem.
 

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Discussion Starter · #7 ·
Checked chimes this morning and they work fine and now the radio stays on as designed. Just another Alfa day I guess.
 
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