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Radio discharge battery overnight and if disconnect from harness is ok?

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  • Cars & Trucks Master
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Hi,then you might have a problem with the radio its self,try finding an old radio to test.wish you all the best.

Posted on May 01, 2015

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DISCHARGE BATTERY OVERNIGHT WE DISCONNECT RADIO AND BATTERY IS OK. WHAT WILL BE WRONG.


depending what is actually wrong, I cannot exactly figure out your question, if the radio is bad, watch for sales in your area from the Specialist or others and get an after market radio put in.

Apr 30, 2015 | 2003 Mercury Grand Marquis

1 Answer

How do i remove the antennea?


no symptoms posted so i cant wax smart,

radio?

the whole thing or just unplug it from radio.

i have 06 FSM



satellite? radio or a/m F/m normal.



normal rad (FSM quoted)

WARNING: Disable the airbag system before attempting any steering wheel, steering column, seat belt tensioner,

side airbag, or instrument panel component diagnosis or service. Disconnect and isolate the battery

negative (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing

further diagnosis or service.

This is the only sure way to disable the airbag system. Failure to take the proper precautions could result in accidental airbag deployment and possible personal injury. (or death)

1. Disconnect and isolate the battery negative cable.

2. Remove the headliner as necessary to access

antenna module.

3. Disconnect the electrical harness connector from

the antenna module.

4. Disconnect the antenna module connector from the

integral antenna.

5. Remove the mounting fasteners from the antenna

module.

6. Disconnect the coax lead from the antenna

module.

end quote.

Mar 10, 2015 | 2006 Jeep Liberty

1 Answer

84 gmc truck,6cyl 250 ecm fault code 15,open coolant sensor,,repaced sensor ecm will not clear fault. why not?


Wild guess, connecting wires are bad, possibly break in wire? Is coolant level ok? Clearing codes are sometimes tricky. I keep haveing to relearn how to clear. Disconnecting battery overnight may clear, but usually bother's radio security code.

Mar 05, 2015 | GMC Cars & Trucks

1 Answer

The radio buttons on 09 altima are not responding when u try to change to a new radio station and to cd or radio plus when u put the cd in u can't skip to the next song


First impression is you radio is toast. It maybe some component gone bad on a circuit panel inside the radio. Before you consign it to the deep try "rebooting" it. Most electronically controlled radios have some king of logic and memory boards in them ...so treat your radio like your computer when it starts misbehaving. To reboot the radio disconnect the battery (remove the black/negative lead first then the positive/red lead from the battery), put the key in the ignition and try to start the car (it won't of course but this is to discharge any holding capacitors) and turn on the radio ...again to discharge any holding capacitors. Turn everything off and let it sit overnight if you can. Reconnect the battery. The radio should have lost all saved information (time, stations, EQ settings etc) and may now be responsive to button inputs. If this doesn't work then I'd say the radio is a goner.

May 01, 2014 | Cars & Trucks

1 Answer

I HAVE TO JUMP MY 2005 PONTAIC EVERY MORNING, I'VE HAD THE BATTERY A COUPLE MONTHS & IT CHECK OUT OK, WHAT COULD IT BE???


could be the battery or something draining power from the battery,
when you get home, disconnect the negative battery terminal from the battery, leave it over night in the morning connect it and try to start, if you do not start it means that your battery (although new) has a bad cell thats causing the charge to drain, take it back for warranty. Dont worry about the load test done to check the battery it'f based on the battery's current charge rate not after its left overnight.
If you did start it means something is draining power from the battery, could be,
1.) lights remain on check (hood light, door lights trunk lights) 2.) device remaining on , check radio, ac etc 3.) the cars CPU is draining too much power.
an easy way to check which one is to remove the fuses from the fuse box under the hood for each particular component to turn them off. or you can take the car to a gurage and have them go through all the harnesses for a short.

Apr 04, 2011 | 2005 Pontiac Grand Prix

2 Answers

Car wont start but the lights, radio and everything battery operated comes on but it just makes a click noise when trying to start engine


If you can hear a click (quite loud) from the engine compartment, but the starter won't crank, this also could be caused by discharged battery. Battery problems - Discharged or dead battery is one of the possible reasons for a car not to start. Very common is the situation when we forget to turn the lights off overnight (the dome light, for example), which causes the battery to drain. In this case when attempting to start a car, all you will probably hear will be a clicking noise - there won't be enough power to turn the starter. Here is the simple way to check if the battery is discharged: Turn the ignition on. With the engine off, turn the windshield wipers on. If they move way too slow, much slower than usual, the battery is probably discharged. Also look at the dashboard lights - if they appear very dim, the battery is probably discharged.
If the battery is relatively new, it can be recharged. All you need to do is to boost your car and let the engine run for a while to charge the battery.

However if your battery is more than three-four years old, you will probably need to buy a new one. Sometimes, an old battery may even die with no apparent reason, even if the day before it was OK.

If the battery is OK, the starter solenoid, starter cables or the starter motor itself could be a problem.

Check it and tell us news.

Mar 29, 2010 | 2000 Buick LeSabre

2 Answers

Battery goes dead every 24 hours. had battery checked good.


have alternator checked may have bad diode, allowing reverse current. If ok can start pulling fuses and put an amp meter across with keys out to find where drain is coming from.

Jan 14, 2010 | 2002 Mercury Sable

2 Answers

Draw on battery when car on


First disconnect the battery overnight just to make sure the battery is not self discharging......if it's dead or down in charge while disconnected....time for a new one.
Now.....if the battery is good....disconnect one battery cable and place a 12 volt test light between the cable and the battery post the cable had just been attached to. A bright light means a drain in the car.
Your job is to remove one fuse at a time until the light dims.
A dim light is OK...clock memory etc.
Remember....a open car door is a drain......the dome light.....so keep them closed while pulling fuses.
Also....if the fuses don't show a drain......disconnect ALL wires from the alternator....there could be a drain there.
Just keep disconnecting one thing at a time until the light goes out or dims.

Aug 12, 2009 | 2001 Volkswagen Jetta TDI

1 Answer

How to Replace a Heater Core


Removal & Installation

  1. Disconnect the negative battery cable.
    CAUTION After disconnecting the negative battery cable, wait 2 minutes for the driver-s/passenger-s air bag system capacitor to discharge before attempting to do any work around the steering column or instrument
  2. On diesel models, remove the passenger side battery and battery tray.
  3. Remove the instrument panel by performing the following procedures:
    1. Remove the air bag control module (ACM) and bracket from the floor panel tunnel.
    2. Remove the trim from both cowl side inner panels.
    3. Remove the steering column-to-instrument panel opening cover.
    4. Remove the 2 hood latch release handle-to-instrument panel lower reinforcement screws and lower the handle to the floor.
    5. Disconnect the driver-s side air bag module wiring harness connector from the lower instrument panel reinforcement.
    6. Place the wheels in the straight-ahead position and lock the steering wheel. Remove the steering column without disassembling it.
    7. From under the driver-s side of the instrument, disconnect or remove the following items:

      Parking brake release handle linkage rod from the parking brake mechanism located on the left cowl side inner panel. Instrument panel wiring harness connector from the parking brake switch located on the parking brake mechanism. Three wiring harness connectors (body wiring harness, headlight, dash) from the 3 junction block connector receptacles located closest to the dash panel. Head light/dash-to-instrument panel bulkhead wiring harness connector screw and disconnect the connector. Instrument panel-to-door wiring harness connector located directly below the bulkhead wiring harness connector. Infinity sound system wiring harness connector (if equipped), located at the outboard side of the instrument panel bulkhead connector. Stop light switch electrical connector. Vacuum harness connector located near the left side of the heater/air conditioning housing.
    8. Under the passenger-s side of the instrument panel, disconnect the radio antenna coaxial cable connector.
    9. Loosen both sides of the instrument panel cowl side roll-down bracket screws about 1 / 2 inch (13mm).
    10. Remove the 5 upper instrument panel-to-upper dash panel screws; remove the center screw last.
    11. Roll down the instrument panel and install a temporary hook in the center hole on top of the panel. Attach the other end to the center hole in the top of the dash panel. The opening should be approximately 18 inches (46cm).
    12. Disconnect the instrument panel-to-heater/air conditioning housing assembly wiring harness connectors.
    13. Using an assistant, remove the instrument panel from the vehicle.

  4. If equipped with air conditioning, perform the following procedure:
    1. Discharge and recover the air conditioning system refrigerant.
    2. Disconnect the refrigerant lines from the evaporator. Plug the openings to prevent contamination.
    3. Disconnect the refrigerant lines from the accumulator. Plug the openings to prevent contamination.
    4. Remove the accumulator.

  5. Drain the cooling system into a clean container for reuse.
  6. Disconnect the heater hoses from the heater core tubes.
  7. Remove the PCM from the dash panel and move it aside. Do not disconnect the PCM harness connector.
  8. In the engine compartment, remove the heater/air conditioning housing assembly-to-chassis nuts.
  9. In the passenger-s compartment, remove the heater/air conditioning housing-to-dash panel nuts.
  10. Pull the heater/air conditioning housing assembly rearward far enough to clear the studs and air conditioning drain tube holes.
  11. Remove the heater/air conditioning housing assembly from the vehicle.
  12. Remove the upper-to-lower heater/air conditioning housing screws and remove the upper housing.
  13. Remove the heater core from the lower housing.


    Fig. View of the heater/air conditioning housing assembly


    0900c15280225dc3.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. View of the heater core

Apr 07, 2009 | 1997 Dodge Ram

1 Answer

Not charging after new alternator and battery my 94 mazda protege has beeen through 3 alternators in 2 months and the battery and alternator are brand new, less than a week or two old and still not...


check for a big heavy fuse nearf the battery,i dont know if it has one?? iam a general mechanic not a mazada specialist,try this trick ? start engine and hold rpm at 1500,then disconnect battery and see if engine stops if it carries on running then altenator is working.If it carries on running then turn on all electrical thingys except the radio.If its still running ok then fault is elsewhere like a discharge overnight.

Feb 08, 2009 | 1994 Mazda Protege

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