Carver/DSP Delete - easier than expected

igeak691 said:
sk93, which pin are you using to turn on your amp?

there's a pin in the main amp plug that is 12v switched. I'm using that.
What pin it was, I can't remember, but it's definately available in the standard amp plug.
 
sk93 said:
03z4 said:
Hi I just installed a new head unit in my 03z4 yesterday only to find out that I have dsp and this have no sound from my system with the new head unit. Based on the title of this thread im wondering if I can install a different amp and get my stock speakers working with the new head unit I installed?

Thanks,

Nate

sure can

That's great news...so you took apart the harness where it plugged into the amp and then wired it yourself into the new aftermarket amp? No custom wiring up front from the stock harness to the aftermarket head unit?
 
03z4 said:
sk93 said:
03z4 said:
Hi I just installed a new head unit in my 03z4 yesterday only to find out that I have dsp and this have no sound from my system with the new head unit. Based on the title of this thread im wondering if I can install a different amp and get my stock speakers working with the new head unit I installed?

Thanks,

Nate

sure can

That's great news...so you took apart the harness where it plugged into the amp and then wired it yourself into the new aftermarket amp? No custom wiring up front from the stock harness to the aftermarket head unit?

exactly. ZERO wiring required up front, as everything you need is contained within the AMP loom plug.
 
I Hate to bother with so many questions but I'm no electronic pro...I've done probably 10 amp/ sub installs and countless head unit installs but this dsp elimination is a first for me
 
03z4 said:
I Hate to bother with so many questions but I'm no electronic pro...I've done probably 10 amp/ sub installs and countless head unit installs but this dsp elimination is a first for me

Tis quite alright. It was my first too, and I really wish I'd taken photos of the plug decomposition.

If memory serves, the power and IBUS wires are obviously different to everything else, and the four remaining thicker wires are the subs.
From the rest are two lineouts (one + and one -), and then the remaining (10 wires remain I believe) are all speakers.

To discover the two lineouts, I used a spare speaker, turned the headunit on, and put one wire to a terminal on said speaker, then went through the other wires tapping them on the other speaker terminal until it made some noise.
If I went through all the wires without any noise, I'd mark the current wire as a 'speaker wire', stick another wire on the terminal and repeat the process.
It didn't take all that long to find both lineouts :)
You could probably take each wire through the speaker, then direct to ground to find them even quicker maybe?

For detecting the speakers, I used a 3.5mm jack to 3.5mm jack cable plugged into my iPod.
I then repeated the process for finding the lineouts, marking each pair.
You could probably use a multimeter here, but I was getting spurious results which I put down to a dodgy meter and/or dodgy ground somewhere...

Once I'd got the pairs sorted, I used a single AA battery to work out the speaker polarity.
This involved taking the speaker covers / doorcard off, but wasn't too much effort.

Then it was just a case of wiring it all up - INCLUDING the passive crossovers for the tweeters.

As I say, it took about 4 hours from start to finish. The old amp was already out, but the wiring was still in the factory location and condition (eg, I'd not pulled apart the plug yet).
Knowing everything I do now, I reckon it's a 2.5 - 3 hours.
Having a pinout would drop it to less than an hour :)
 
Wow thanks so much...I can't wait to get digging into this! Do you still recommend the alpine amp you purchased?
 
Alpine PDX-V9 order placed...once that gets here I can finally work on getting my speakers working again! Been forced to take my blue tooth speaker to work with me and set it in pass seat so I don't have to deal with silence during my 1 hour commute!
 
did you have to put RCA cable ends on the signal wires from the head unit so they could plug into the amp?
 
Hi im in the process of carrying out this Mod and have been identifying the wires on the DSP amp plug. So far i make them:

RH Driver side:
Front Sub Blue/White +
Blue/Brown -

Door Mid Blue/Red +
Blue/Brown -

Door tweeter Blue/Black +
Blue/Brown -

Rear Mid White/Black +
White/Brown -

Rear Sub Thick Brown +
Thick Blue -

LH Passenger Side:
Front Sub Red/Yellow +
Red/Brown -

Door Mid Blue/White +
Blue/Brown -

Door Tweeter Yellow/Red +
Yellow/Brown -

Rear Mid Yellow/Black +
Yellow/Brown -

Rear Sub Thick Brown +
Thick Yellow -

These wires are all twisted pairs and a labelled primary colour first second colour is the stripe.

Additional wires are:

Line out left Yellow/Red +
Brown/Orange -

Line out Right Blue/Red +
Brown/Orange -

The all white wire is switched 12v so good for remote

Thick red +

Thick Brown -

Hope these are all accurate i spent a lot of time identifying them.
 
Just received confirmation that my amp was delivered today...hoping to hear back from you on this so I can proceed with the install.
 
Great job on the wire ID...im going to compare your ID with my US harness to see what similarities they share (if any)
 
The only crazy thing about the wiring i found is that the tweeter and door mid wires swap colours when the get to the door. I learnt this because i first tried identifying the wires by just looking at the back of the speakers. I found my mistake when i tested each speaker individually. This might due to cars being built in LHD and RHD sharing the same door loom just reversed.
 
Ok I'm confused...Ill number my questions for ease of tracking them and finding answers.

1) when I turn on my head unit it's sending power to 8 total wires...all are pairs as follows. (Yellow/black and brown/Orange) (yellow/red and brown/orange) (blue/black and brown/orange) (blue/red and brown/orange)


Im assuming these are the wires to be converted to rca and plugged into the amp? If so, how do they combine?


2) I have 10 total pairs of speaker wires. The amp has 4 channels and + 1 sub output. How do you consolidate the speaker wires into those 4+1 outputs?
 
Ok my install...overall not bad.

Cut the factory harness at the clip.


Then I began identifying speakers and inputs etc


At this point I had to research how to properly splice speaker wires to an rca plug



I'm done for now but I still need to find a source for the 12v remote power cause for some reason the solid white wire is dead back at the amp...maybe a mis wire in the front when I wired the new head unit
 
I will note that the alpine amp is a complete power house...even at mid level gain I could hardly hit 5 on the head unit volume scale without blowing insane sound out of the speakers
 
There is another switched 12v its a white wire with a stripe on its own not twisted. I will take a look at my loom later and see what colour the stripe is.
 
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