remote(blue) power wire in stock lexus sc400

[lpmaster 10+ year member]

does anyone have the wiring schematic or anything to help me find out how the remote power system works in this thing? PLEASE HELP

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[negativezeroz 5,000+ posts]

http://www.commandocaralarms.com/wiring/Lexus/SC-400/

I don't know if that helps but yeah. What is your question exactly? Are you needing help finding the remote or what?

 

[lpmaster 10+ year member]

ya, i cant figure out which wire to use as the remote wire, any other help, that was a good read, but im still confused.....and it has to be the remote from the radio, since in this case im using it for an antenna...and well i dont want to have to turn the car off to get it to go down, and i could install a seperate switch for it, but i'd much rather do it right

 

[fasteddie7200 10+ year member]

The red wire on the back of the radio is the remote switch. If there is more than one then get a voltmeter. One of the wires is connected the ignition switch and another is connected directly to the battery. Stick the voltmeter on to the wire while the car is off. Only one wire should receive power when the car is off. When you turn the key and you recieve power but the car isn't started, then another wire will receive power, that wire will be the remote switch. Thats's why if the key is not in the ignition, everything is off but if the ignition is turned on than everything gets power. Hope that helps.

 

[phyphoestilic 5,000+ posts]

nakamichi or pioneer?

 

[lpmaster 10+ year member]

thanks for the help guys, i just soldered it to the relay on the circuit board of the amp(maybe not smart) its just an antenna and works fine for now