Amplifier Help...

PhatTonyDeMarco
5,000+ posts

C0CK,its whats for dinner
Well I just installed my new HX2's, with a JBL BP600.1 amp. The wiring was already ran through out the car, because I had an Audiobahn A8002T amp before this and had no problems. With that in mind, my amp will not turn off with my head unit, and even stays on when my car is off. The remote is wired correctly, do not suggest that please. I checked my HU manual and soldered the correct wire, and it worked fine with the amp prior to this. But my head unit has an anti theft light that stays on after the face is removed, could this small amount of power be keeping my amp on? Any ideas?.. Could I install a switch to the remot of the amp?

 
See, you can start a new thread......liar

A switch would circumvent the real problem. Obviously there is something going on somewhere that isn't right.....and you'd be better off figuring out what that is.

Grab a DMM and with the car off measure the REM wire. It should have no voltage with the radio off.

 
See, you can start a new thread......liar

A switch would circumvent the real problem. Obviously there is something going on somewhere that isn't right.....and you'd be better off figuring out what that is.

Grab a DMM and with the car off measure the REM wire. It should have no voltage with the radio off.

Well I do not have access to a DMM at the moment, need to contact my friend. But as I said there is an anti theft light, would there be a current going through the remote line with this?

If there is a current in the remote line, what would my solution be?

 
There is current going thru the remote wire....Try connecting it to the other remote(it it has one) and see what happens!

I assume you mean "if" is has one, and no my HU only has one remote output, other than the power antenna. Both are blue, but I checked the manual and I have it wired correctly.

And as I said, this did not happen with my previous amp; could my new amp have a low sensitivity for the remote wire?

 
Well.. at the moment my mom has my spare keys (mine are locked in the trunk again //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif So this will have to wait about a half hour...

 
Have you messed with the HU, like take it out change any wires or anything like that since you had your prior amp! Do you have another amp that you can install (temp) to see if the same thing happens.

 
A small 12v automotive bulb wiil work to check for power, just tape or solder a wire to positive and ground. Hook the ground wire to a ground and touch the positive to the remote on wire, if the bulb lights up theres power.

Use a small interior bulb, that remote on wire has very little current.

I have seen a case where the amplifier had somthing go bad inside so it would not respond to the remote input, it just stayed on all the time, kinda like a relay stuck in the on position. You could completely disconnect the remote input and it would still be on. In this case you're amp will need serviced.

 
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PhatTonyDeMarco

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C0CK,its whats for dinner
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