Stop kenwood KDC-mp239 loosing radio settings with ignition off

I would start by disconnecting the radio and hooking it up right,the power should go through the ignition switch.So that when you turn the car off the radio will go off and to hear it on again you have to turn the key to accessory or start it.That might take care of a few of your problems.

• Hi, i can help.

• A Kenwood KDC-MP239 users manual can be found here free of charge http://manual.kenwood.com/files/B64-3901-00_00_MW_En.pdf

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Regards, Tony

could be bad ground or you crossed the yellowwith the red wire. yellow is battery red is ignition and you usually dont use the other ones unless its a newer vehicle. also these ones have 2 blue wires 1 power ant and the remote lead

Did you change the speakers, usually this happen because of the Ohms. Let me explain you, The factory radios are usally 8 Ohms and must of the aftermarket speakers are 4 Ohms or less so if you put 4 Ohms in a radio designed to work with 8 Ohms of coures is going to get hot first and them you burn it out.

you must of traped a wire when you have fitted the head unit to the car when you have pushed it into the dash or the call wire is going to earth on something behind the radio in the dash hope you fine it hope ive help you let me now how you get on

you need to hook the yellow wire off the back of the radio up straight to the battery this keeps memory power to the head unit then wire the wires in color coded sequence red to red black to black so on and so forth if this doesnt fix it you might want to think about replacing head unit

if you have the wire connector it's easy.....give the negative conection to the body of the player..find the wire from the battery with has the power supply even when the switch is off..and connect it to the yellow wire.that is for the memory...find the wire which has the power when the switch is on ,and connect it to the red wire from the player....what i mean by switch is the ignition switch... u can easily find the speaker connections...most speaker wires comes as blue,ash,green,white...there are two wires from each colour......

No ur radio is fine to fit the wiring harness into ur dodge the wiring has been crossed so it wont work, if u go 2 the Kenwood US site and down load the KDC MP 228 manual it has a good wiring dirgram and with a bit of work u can work out what goes where :0 Hope this helps

Turn on the car so the radio is flashing "Protect." Look on the front / removable face of the stereo. On it you will find a small round hole - that's a reset button. Find a small paper clip, unfold the clip and stick it gently into the hole. The "Protect" will stop flashing, and Kenwood will be displayed. Unfortunately all your settings/presets will be gone, but at least the stereo is working again!