Question about Pioneer DEH-P6800MP CD Player

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Pioneer 6800mp wont power on

The radio still wont power up checked harness and tried pushing the ribbon cable up and down and still nothing works plz need help asap dying without music in a car for a 2 hour ride to work everyday

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There should be a small reset button behind the faceplate..try resetting.

Posted on Jul 25, 2009


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1 Answer

My 95 bmw381i wont start after my son hit the positive cable on the side of the car trying to install a power amp

Does anything work at all on battery? Lights, horn, wipers, radio, power seats, power windows? If nothing works, look for a a "fusible link" that's designed to blow open, to save the wiring harness from catching on fire!

Apr 29, 2017 | Cars & Trucks

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My '91 ford festiva will start and run when jumped but will die when the lights or radio is used replaced the altnator already and batteriy is good idk whats wrong can anyone help

You or someone will have to figure out why your new alternator is doing absolutely nothing. Not only is it not putting out enough power to run all the car's electrical systems, it is also not charging the battery, so you could start it next time off the battery and not have to get it jumped. With it not working, the car has to use battery power to run everything, and when you use lights, or radio, or any accessory, the battery runs down even quicker.
One reason alternators don't work is loose or poor connections between the battery and alternator. You could remove your battery cables (check them, if they look old or worn badly, replace) from the battery (negative first) and clean the cable ends and the battery posts till the metal is shiny clean. Do the same for the negative cable to frame ground point. Then check the big cable end on the starter, make sure it is tight. Put the cables back on-positive first, negative last, then move to the alternator and check the connections there for a clean tight connection. A couple of other ground points you could check is the engine to frame ground-somewhere on the engine is a ground strap bolted to engine metal and the other end will ground on the car frame or on the firewall in back of engine. If this ground is lost, strange electrical problems may result. One more ground: often the engine and computer wiring harness will have a ground wire coming out of the harness-a short wire-and may be grounded around the top of engine-many cars do have this visible ground, so check for it and check if a good ground.
If you do all this, and still no help, cheeck all your fuses in the under hood fuse block-sometimes there is an alternator fuse there, a big maxi-fuse. Check if good, check all fuses. If no help, you likely need a mechanic or shop to figure it out. Good luck. Hope you find it.

Jan 07, 2013 | 1991 Ford Festiva

1 Answer

Just bought the used car and radio was working. Came with a Kenwood KDC-148 stereo. 2 days later, radio just was dead. Have checked fuses, wires and everything looks good. Everything else electrical...

Check the power from the harness. The yellow wire which is usually for constant 12v power and the red wire which should only have power when the key is turned on. check those wires and if you have power on both then the radio is fried. Try pushing the pins in the back of the radio harness in and see if maybe there is a loose pin, other than that, like i said , the radio may be bad.

Jun 28, 2011 | Kenwood KDC148

1 Answer

DELL Inspiron 530, green LED in the back under power cord glows solid, but the CPU will not power up, no fan, no beeps, no nothing. If I press the power button it glows amber briefly, and if I hold the...

This is a hardware related problem. The issues you described indicates that your power supply has gone bad. You will need to replace the unit.

If possible please rate this solution.

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My vaio vgn-n250e sometimes will not cut on even when battery is charged and AC is plugged in. I actually havent used it in 2yrs thinking it was a battery problem, but yesterday (after 2yrs) i decided to...

I had a similar problem with another vaio turned out that the module that the power button is a part of (above the keyboard) had a bad wiring harness that connects it to the computers main board. After replacing the harness (looks like a tiny ribbon cable with 4 or 5 wires) the laptop was great again.

Aug 25, 2010 | Computers & Internet

2 Answers

Car Radio just stoped working.

My same model did this too. The wiring harness may have gone bad. Try direct wiring the stereo or replacing the wiring harness if you can get one. This fixed the problem for me.

Jun 03, 2009 | Pioneer DEH-P6800MP CD Player

1 Answer

My acer laptop wont start

What about the battery ? Did you check it . ? If you used all of your options , then you should take it to the service ! Take your guarantee with . !

Mar 30, 2009 | Acer Extensa 4620 Notebook

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Pioneer 7800MP can't turn on

It looks like the flexible cable worn out. Try to replace the cable.
This link may help:
Intermittent display on Pioneer DEH-P7800MP car audio

Mar 24, 2009 | Pioneer DEH-P7800MP

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