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Car problem there is this signal showing in the car in dash ode meter and don't know what it is and car won't start because of that signal?

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Re: car problem

Disconnect negative battery cable and retry ..but if car has car stereo and or other device that requires a code.make sure you have codes or they will not function if you dont have code..but if not you should be okay to disconnect battery cable to reset

Posted on Dec 16, 2007

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Need code for sony cdx-l480x eq3 stereo

There is no code for resetting a radio. If there is not reset switch, you can reset a radio by disconnecting power to it for a few seconds. This can be done by either disconnecting the wire harness behind the radio, or if you don't know how to get the radio out of the dash, you can disconnect one of the terminals of the battery for a few seconds.

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Have a jvc kd-sc401 connected 10 disc multichanger but won,t load cd,s although you can hear multi changer trying to work pls help.stereo working as should don,t have manual for stereo so don,t know how to...

You need to reset the CD player. Remove the front panel and you will see a tiny hole in the middle of the panel of the unit mounted in the dash (i.e. without front panel). Gently push a ball point pen or pin in to press the reset switch.

About the User Manual, visit the next link to download: kdsc401-402e_get0410-001c_fr (pdf)

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Does not hold power so all of the presets and the time are reset. Only turns on if the dash lights are on. It also skips quite frequently. What could be the problem?

First you should take the deck out and the yellow wire is your memory it shoul have full time power and not hooked to your dash lights this will cure your memory problem and possibly the cd problem. If you know how to use a multi meter test all wires on DC setting on meter and your looking for 12 volts all the time key switch on or off for the yellow memory wire then for the red wire you need 12 volts only when the key switch is turned on. Then the black wire is the ground no voltage at all. Hope this helps. leve feedback if so.

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Dec 30, 2008 | XM Radio Dual XMP7000 Auto In-Dash CD...

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Protect mode Kenwood KDC MP438U in dash reciever

Anytime there is a short circuit or your battery down low enough you will recieve this signal. If you press the little "reset button" using a small pin or screwdriver your unit should reboot without the "PROTECT" signal. If seeing this "PROTECT" sign is a result of jumping your car, this will fix it. If the signal persists, then there is still a short circuit and you need to check your connection with the battery. Most likely it is touching the chasis or some othere metal.

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2 Answers

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No instructions

hey bud, i have the same model. I called pioneer and they said its a typo...and/or a glitch in the product. This particular model odes not TRUELY give you that function..I KNOW..i was upset about it myself.

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1 Answer

Sony CDX-MP40 won't power up the amp.

Most in-dash stereos have a blue wire in the harness which is used as a "wake up" signal for external amps. Did you connect this? Does it have any voltage on it when the stereo is on?

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