Signal Sensing Turn On for JL 500/1
#1
Signal Sensing Turn On for JL 500/1
I'm adding a JL 500/1 amp to the OEM Bose system and I'm having trouble using the signal sensing Turn On (allows amp to detect signal in pre-amp wire to turn on the unit). When I turn on the stereo, the amp doesn't turn on, but if I turn the Signal Sensing switch off, then on, the amp powers up.
Do you think that it's because the pre-amp input is too low a voltage? I spliced it in BEFORE the Bose amp. I guess the solution would be to install a turn-on line, but I'm too lazy to take my car apart again.
Do you think that it's because the pre-amp input is too low a voltage? I spliced it in BEFORE the Bose amp. I guess the solution would be to install a turn-on line, but I'm too lazy to take my car apart again.
![Mad](https://g35driver.com/forums/images/smilies/mad.gif)
#3
Yeah, that's the switch I'm turning off, then on again. If I do this, it powers up the amp and works fine. However, if I turn off the engine and back on again, the amp does not detect the signal and does not turn on. To fix this, I open the trunk, turn off the signal sensing, and then back on again. Voila... it suddenly detects the signal and turns on.
BTW, I did not use a LOC.
Also, I saw in previous posts that the ACC turn-on lead going to the Bose amp was colored blue/silver. However, when I look at the diagrams, it looks like sky blue is the color of the wire I need (pin 31). I cannot find the blue/silver wire in any diagrams. Any thoughts?
![Confused](https://g35driver.com/forums/images/smilies/confused.gif)
BTW, I did not use a LOC.
Also, I saw in previous posts that the ACC turn-on lead going to the Bose amp was colored blue/silver. However, when I look at the diagrams, it looks like sky blue is the color of the wire I need (pin 31). I cannot find the blue/silver wire in any diagrams. Any thoughts?
#4
When i used my autosensing feature for the JL i got lots of "feedback" when i turned off the car... a rumble sound....so i don't recommend it
I went back and used that remote wire that you mentioned from the bose amp and now it works fine
so use that remote wire....mine was blue/silver on the bose wireharness....
I went back and used that remote wire that you mentioned from the bose amp and now it works fine
so use that remote wire....mine was blue/silver on the bose wireharness....
#5
Originally Posted by dR6
Also, I saw in previous posts that the ACC turn-on lead going to the Bose amp was colored blue/silver. However, when I look at the diagrams, it looks like sky blue is the color of the wire I need (pin 31). I cannot find the blue/silver wire in any diagrams. Any thoughts?
#7
Cool, thanks guys. I went ahead and turned signal sensing off and spliced in the sky blue remote turn on wire. It works flawlessly!
Now I have to spend the entire weekend trying to tweak this thing. Who knew they're were that many ways to adjust a subwoofer amplifier! Right now, it sounds good, but I know it can sound better.
Now I have to spend the entire weekend trying to tweak this thing. Who knew they're were that many ways to adjust a subwoofer amplifier! Right now, it sounds good, but I know it can sound better.
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#8
Originally Posted by SI_G35Coupe
also when you start the car, there is some delay on the turn-on... like 20 seconds or so... maybe you didn't wait long enough?
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