Question about Car Audio & Video
I just bought a remanufactured jbl gto7001 mono amp. direct from harmon kardon.. the amp does not power off when the ignition is turned off.. is this normal or is the amp defective? will it drain my battery if i leave it be?
No it is not normal for the amp to stay on when you turn the ignition off. And yes, it will definitely drain your battery if this condition is not corrected.
Use a multimeter set to volts and check between the ground connection (right connector) and remote turn-on connection (center connector) on the amp itself. You should have approximately 12V when the ignition and your head unit is on. And 0V when they are off. If you measure voltage when the ignition and head unit are off, either the incorrect wire is connected to the remote terminal, or the defect is in your head unit. If you measure OK, that is voltage present when ignition and head unit are on, and no voltage when they are off, then the problem is most likely in the amp itself. If you find voltage on the remote wire all the time, check to see that it is coming from the correct output from the head unit. Most aftermarket head units use a blue or a blue/white wire for the remote amp turn-on lead. Many (most) stock OEM receivers do not have a remote amp turn-on lead. But they may have a power antenna lead which will serve the same purpose. In any case, just insure that the correct wire is connected to the amp. It should have voltage when the head unit is on and no voltage when the head unit is off.
In either case, if everything else is still working with the amp, you can simply wire in a manual toggle switch to turn the amp off or on whenever you desire. A SPST (single pole-single throw) toggle switch is what you need. If the problem is in the head unit wire, put the toggle switch inline with the remote wire and mount it somewhere handy on or near the dash. If the problem is not in the remote wire, you'll need to put the toggle inline with the main power wire, the one marked "12V" (left connector) on the amp. In this case, you need to make sure that you have a heavy duty toggle switch, one that will handle more amps than your primary fuse. You may need to look under the hood for the fuse to check it's value.
Hope this helps.
Posted on Apr 18, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Jul 13, 2016 | Harmon Kardon Jbl Creature 3-piece Powered...
Dec 12, 2013 | Audio Players & Recorders
Dec 29, 2012 | JBL GTO7001 Car Amp
Dec 02, 2012 | Harmon Kardon Harman/kardon Hkts 200 Bq...
Sep 24, 2011 | JBL PSW-D112 Speaker
Jan 14, 2011 | JBL GTO7001 Car Amp
Jan 10, 2011 | JBL GTO7001 Car Amp
Aug 09, 2010 | JBL 5.1-Channel Home Theater Speaker...
Nov 22, 2009 | JBL Venue SUB10 Subwoofer
90 people viewed this question
Usually answered in minutes!