switched power shows power key off
Printed From: the12volt.com
Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=117059
Printed Date: July 14, 2025 at 2:11 PM
Topic: switched power shows power key off
Posted By: bucking bronco
Subject: switched power shows power key off
Date Posted: October 18, 2009 at 5:00 PM
The car is a 94 Buick lesabre and I'm installing an Alpine Ida x200
I double checked the wiring diagram(yellow) and when I shut it off it dropped from 12 to 0.50 volts and slowly drops to 0 volts after about an hour. Is this a problem?
https://www.the12volt.com/installbay/stereodetail/344.html
Thanks Derek
Replies:
Posted By: tommy...
Date Posted: October 18, 2009 at 5:20 PM
Are you asking if the .50 is a problem...? This is the switched / accessory wire... so the loss of power is correct...?!
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M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!
Posted By: bucking bronco
Date Posted: October 19, 2009 at 4:47 PM
Yes I'm asking if the .50 is a problem. Any other deck I have installed the switched / accessory wire reads 0. So why does it show .50 and take a hour to drop to 0.(I did search) My main concern is have a drain on the battery and my wife and kids being stranded.
Thank you for your time
Posted By: KPierson
Date Posted: October 19, 2009 at 5:21 PM
I would guess that the power is a capacitor bleeding off inside the radio. I don't think it is a problem at all.
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Kevin Pierson
Posted By: i am an idiot
Date Posted: October 19, 2009 at 5:28 PM
I'm with Kevin on this one. Unplug the radio and turn the key off. Now check the voltage.
Posted By: bucking bronco
Date Posted: October 19, 2009 at 5:40 PM
The radio is not connected yet I didn't want to fry anything sorry for not mentioning that. I tested it with my volt meter and a test light at the same time and the light zero's my meter out when the ignition is off. So I guess its fine, maybe its because my dash is pulled apart right now.
Thank you all for the help
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