Extremely frustrated, need help please.

[Nevalite 10+ year member]

Hey everyone,

So I have a Kicker ZX750.1 and an Alpine 12" Type-R running off a CDA-9885...

I installed this system at the beginning of the winter and everything was working fine for about 2 months. One day I took my sub out because I needed the trunk space for a snowboard trip. When I got back from the trip I noticed that I had broken one of the RCA wires going into the Amp. I figured it would be an easy fix.

I cut the RCA wire, bought a new jack and soldered it up, plugged it in and I got nothing from my sub... I thought maybe I didn't do it right so I went and bought a new wire completely, still nothing. I returned the wire and kept my fixed one.

Now I thought maybe the actual jack in the amp broke somehow so I opened up the amp and I ran 2 wires connected to the 2 parts of the RCA input on the PCB and attached a new jack to them, connected it up and still nothing...

Now, today I took out the sub, opened the box, re-wired the inside of the box, put it back in the car. At first it didnt work, then I messed around a bit and it started working!!! It ran perfect for about 10 seconds and then it completely stopped again... (this happened 2 times)

It's like it started working and then lost its charge or something and then stopped...

It seemed like it could be a grounding problem so I decided to find a new grounding spot (I knew the one I had wasn't the best). I grinded it down to bare metal and everything, re-attached it all but still the sub won't work...

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I'm out of ideas and I don't know why this won't work, here are some pics I took of the set-up.

Sub in the box

Side of Amp

New grounding spot (grinded down the car itself and both sides of that plate)

Here you can see the fixed RCA wire and the new Jack that I made.

Inside of RCA jack.

Everything seems fine to me, and the wires are fined because it did run good for like 10 seconds and then die again, I just don't know what to do anymore. I've tried everything I can think of.

Any help/ideas/suggestions are GREATLY appreciated, really, anything.

Thanks so much.

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[Nevalite 10+ year member]

Anyone?Anything?

 

[Nevalite 10+ year member]

bump

 

[terra 5,000+ posts]

i got nothin...but good luck

 

[casper97ta 10+ year member]

To me it sounds like something is wrong with the amp. I would switch the amp into a buddies car and see if it works. If the amp does work fine do the same thing with the sub. If thats fine too, then you know its your wiring somewhere.

 

[twisztdauthorit 10+ year member]

go around with a dmm and start checking where u have power and where you dont.

 

[Blackwidow13 10+ year member]

Id say get our a multi-meter and do it the old fashion way. check every thing from the battery up and that will help pin point the problem.

 

[FredS3251 10+ year member]

Did the amp go into protect after its short period of coming back on? My other question is did you remove the speaker wire from the amp when you took the sub out for snowboarding? If you didnt maybe the wire got crimped some wheres when you filled the snowboarding equipment and when you were ripping the sub out of the box and playing around to get it to work you might of moved the speaker wire that leads to the amp just enough to let it work again. Idk might be a stupid guess, but its worth a shot.

 

[jmanpc 5,000+ posts]

You did the RCA wrong //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

edit: well its hard to tell with the blurry pics

 

[jmanpc 5,000+ posts]

and wtf is up with the output rcas?

 

[jmanpc 5,000+ posts]

and you should be using 4awg for that amp. looks like you've got 8

 

[Ken448 10+ year member]

if you broke the RCA then you may have ripped it from the board on the amp. Open it up and check it out. Does it work if you jiggle the RCA?

 

[Nevalite 10+ year member]

Did I do the RCA wrong? that would explain a lot...

The shielding of the wire is going to the outside of the RCA and the middle of the wire is going to the pin, is that right?

Also its not ripped from the PCB of the amp i've been in there, no it doesnt work when i jiggle it.

And I have no buddies with systems.

 

[Ken448 10+ year member]

did you try a whole new RCA? OR try a Y (1 F to 2 M) to bypass the broken one.

 

[Nevalite 10+ year member]

Yeh I tried a new RCA, same thing. Bought it from future shop, tried it, didnt work so I returned it lol.

And yeah I know its 8 gauge not 4, soon ill change it.