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Thread: Install trouble?

  1. #1
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    Install trouble?

    I have been installing a system in my car. Here is what i've done.

    I have two 6.5's in the front and two 6.5's in the back with a 4ch amp driving them. Here's my wiring

    On the deck I have the 12v hooked up and the acc hooked up along with remote and the ground of course, and 4 rca cables coming off it. So the remote goes to the spot on my amp. and the rca's go to the amp. Then from the amp goes to the speakers but first going through crossovers between the amp and speakers. There is also power and ground hooked up to the amp. I believe I have it all hooked up properly.

    Here is the problem, my deck doesn't power on. I have tested the connections with a multimeter and they seem good. Any ideas?

  2. #2
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    Do you have any inline fuses or a fuse in the deck? If so I would check to see if they are blown. If you're using the stock wiring harness from the car I would check to see if the radio fuse is blown. You said you checked the connection using a multimeter where did you check the connection at? Did you use both the 12v+ and the ground wires or did you ground it to somewhere else? You could have a ground problem as well. Everything sounds like it's wired correctly so you have a bad spot somewhere.

  3. #3
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    yes... I am thinking that also. It is a little dark out to check right now. my driveway just got resurfaced today so my car is parked 50 yds from my house. Not really convenient at night. I will check in the morning and post back with my findings. Yes there are a couple of fuses. I checked the on that was in line when the car was turned on. It was still good. so I am not sure. I grounded to where I grounded the stereo. Thanks for the help so far. much appreciated.

  4. #4
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    Did you ground your stereo to the stock wire harness? If so that could be your problem. The stock ground wire on most cars are 16ga usually even smaller then that. As a rule of thumb your ground wire should be as large as your power wire. I made this mistake before in the past when wiring a system. You would be better off finding a spot somewhere on your car under the trim sanding down the paint and running your own ground. You can use just a plain on nut, bolt and washer and it will ensure a much better ground.

  5. #5
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    yes that is what I have done. The ground wire is larger than the power wire. I sanded down the paint and put a bolt and nut in there to hold the ground on. Not sure what the deal is. I will be testing it all tomorrow when I get up and I can see inside my car. I'll let you guys know what I find out.

  6. #6
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    Hmm okay your ground should be okay. I guess we can rule that out. Now you said your deck doesn't turn on, but does your amp turn on?

  7. #7
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    update........... my amp does not turn on! I'm beginning to think there is something wrong with the head unit, what do you guys think? Is there an internal fuse in the unit also? It was a used unit so this is possible. I got it off of ebay.

    Incase this will help, the unit I am using is a deh-9800bt pioneer.

    Update: I wired up my old deck real quick to the exact same wiring I have and it worked like a charm. So it either has to be one of two things: My deck is dead (hopefully internal fuse) or the wiring harness I have for it is not correct (wiring and such) I bought the deck and the wiring harnesses separately off of ebay.

    Anyone have any input, ideas, or suggestion?

  8. #8
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    u got 2 problems then its either ur headunit power cont is bad/fuse somewhere there or u didnt ground ur amp good this just happened to me yesterday i thought i had it grounded cause when i tocuhed the power and ground wires togther they would spark hooked it up nothing worked switched my grounding place and all of a sudden it worked

  9. #9
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    So my amp having a bad ground would cause all of it to not work. The Head unit wouldn't even power on? or do anything for that matter? the amp is grounded to my seat bolt and the paint is all sanded off. I suppose I will test it with a multimeter. Thanks I was in the process of tearing my whole deck apart to see what the heck was wrong. I do not think it is a fuse (outside the deck) because I tested the power right behind the deck just as it was entering the unit itself at the plug and I got good readings.

  10. #10
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    I fixed it! I do not really know how but may have an idea. My grounds and wiring were good. it was the deck. When I shook the deck I could hear something rattling inside, so I took it apart and removed the metal piece that was loose or free in there and plugged it back in. Now it works. It may have been causing i short or something. thanks for all the help

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