Question about 1999 Mercury Cougar

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Radio drains the battery doown

I unpluged the radio and now the battery is fine if i plug the radio back in it runs the battery down. anyone had this problem

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Did you have anyone install Speakers? They connected the wrong wires. Double Check.

Posted on Dec 12, 2008

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How is 2001 Mustang GT parasitic draw on battery related somehow to FU 27 and FU39? Battery drains overnight but I cannot narrow down a faulty component.


Allfordmustangs.com has an article if you Web search your car with fuse 27 and 32 as part of the search. It blames the GEM as part of the problem(wiper) and also points out that the radio has several power feeds. Fuse 27 is hot all the time, but fuse 32 is only hot in ACC or Run. So as long as you can test fuse 32 to be hot in only Acc or Run, it should not drain the battery in Off position. You might want to test the ignition switch to verify it is really turned off.

The all mustangs article had different symptoms, as you did not indicate whether the fuses popped.

The wiper motor is suppose to derail and turn off. If you can unplug the wiper motor overnight and the battery stays up, you would know that it is either the wiper motor or wiper control. The radio is on the other fuse circuit. But whether the radio can drain a battery in a short time, you need to measure draw, but if the fuse pops, the battery should stay up. Again, disconnecting a circuit like a radio, and then having the battery stay up, would point to the radio circuit being at fault.

Oct 14, 2014 | 2001 Ford Mustang GT

1 Answer

Can a 1997 Dodge radio drain the battery?


No way the radio can draw that much power even when it is left on. Check the trunk light. On some models the back seat will fold down.
Also disconnect the negative battery terminal. Touch it to the post and listen for a relay click, If one clicks find what it runs.

Jul 27, 2014 | 1997 Dodge Stratus

1 Answer

2003 Ford Expedition battery died and when restarted, the radio won't work


I think your radio is much like the one in a Taurus, and mine has had hiccups like that before. First locate the actual radio which is in the back somewhere behind a cover. Unplug it and wait a few minutes to be sure it is reset. Plug it back in and it should work fine again. This may also fix your navigation system, if it doesn't find the 'brain' of the navigation thing and unplug, wait a few minutes, then plug it back in.

May 27, 2014 | 2003 Ford Expedition

1 Answer

When i turn the engine off my radio turns off and then comes back on after 20 or 30 secs and you then have to turn it off with the button on the radio. Also if you leave the car for longer that 18 hours...


It could be. A couple of ways to check: either take the negative battery off overnight or for 18 hours, and see if battery does not go flat-then you know you have a drain somewhere. Or you could remove all power to the radio overnight (by pulling radio fuses or unplugging the radio), then see if the battery has drained any.

Jan 24, 2014 | Cars & Trucks

1 Answer

How can I tell if battery is bad or a short draining battery


Take the battery to an auto store. They have an amp meter to test it with. Check for poor connections at the back of the radio. If it's wired to a hot lead and not the ignition ( key on) or aux, my old cd player would turn itself on and run down the battery while parked. For me, bad radio.

Jan 04, 2013 | 2001 Chevrolet Astro

1 Answer

Accidentally drained battery, jump started, works fine now, battery tested fine, but radio won't come back on?


When the battery was down or removed the radio was reset and since this is done for secuirty the codes must be entered on the panel for the radio to be active. Please check the manuals for the codes or call your dealerships.
If not try the link below:

http://www.radio-code.com/

http://www.floodle.net/extra/ebayinfo/car_radio_decode.html

Jul 01, 2011 | 2007 Ford Explorer Sport Trac

1 Answer

Antenna goes up and down and drains the battery


well if you dont want the radio on you can take the radio fuse out if not then you can unplug the wire going to the antenna in the trunk.

May 18, 2010 | 1991 Lincoln Town Car

1 Answer

My car radio is draining my battery even when the car is off... and i have xm radio... is this accurate and is it ok to put the same radio in the car ???


If the battery is being drained by the radio,it is either hooked up incorrect,or the radio has a flaw in it causing the drain,have it repaired,or install another one.Any radio you want,a radio of any kind is fine,if it draws the battery down,then it is defective.

Jan 28, 2010 | 2007 Hyundai Elantra Limited Sedan

1 Answer

Radio wont work but navigation and tv working


Dude, i had the same problem. I tightened up the relay from the positive terminal on the battery that sits right next to the terminal, i took off the negative and put it back on, and unplugged the wires that go from amp to speakers and plugged them back in. started working fine. It would be your best bet to reset the comp by taking off neg. and putting back on.

Feb 04, 2009 | 2003 BMW 330

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