1999 silverado rem. wire

[bryce-man 10+ year member]

i found the switched 12 volt wire on the back of the stock radio, but when i tap the wire with my remote wire and turn the radio on no sound comes out.

but then if i disconect the rem wire the speakers fade in and i can put the rem wire back on and my amp will turn on and work till i turn it off and it happens all over again.

i guess my question is .. whats going on and how can i get around it?

i tried tapping into the acc. wire(orange) in my ignition harness but the only wire that gives any voltage is the constant(pink).

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[Supergumby5000 5,000+ posts]

your using a stock radio?

you should be plugging straight into a harness if thats the case.....

if your talking about running amps with a stock headunit, just run a breaker switch instead of a remote turn on lead. Feed the amp a constant 12v source line with a toggle switch in between.