New head unit problems

**adierolfe** · 9th July 2012, 13:28

Right. Bought a new head unit from Halfords and I do not have a clue how to fit it...

I pulled the old unit out and removed the harness, only to find the new one doesnt fit.

So I put the old over the new head unit, fits good but the harness covers up the wire connection.

And the adapter cable from halfords connects the the HU but not to the Signum - he checked on his PC to see what one was needed.

**adierolfe** · 9th July 2012, 14:01

I swapped the red and yellow around and the HU made a noise (cd laser moving?) but there is nothing else on the HU. No lights, or display.

**adierolfe** · 9th July 2012, 16:18

Hmm so. I need the engine running when I turn on the HU but it works once engine is turned off - until key is removed from the ignition.

How have you guys wired up the mic for the bluetooth? Where did you run the wire?

**J P S** · 9th July 2012, 16:22

my bluetooth wire is run behind the dash ( easy to remove glovebox) and up the a pillar to the alarm bit by the mirror

**coldo** · 9th July 2012, 16:38

Can you answer a few questions on this and I might be able to help more...

What head unit have you bought?
What age is your car and is it half can bus (three buttons on the steering wheel) or full can bus (two buttons and a scrole whee on the steering wheel)
Do you have a TID (two line display), GID (on board computer display) or CID (colour display for sat nav etc?

From this I should be able to confirm what the wiring harness is you need, what you need to get the steering wheel controls to work and how to best connect the head unit up.

**adierolfe** · 9th July 2012, 18:56

Originally Posted by coldo

Can you answer a few questions on this and I might be able to help more...

What head unit have you bought?
What age is your car and is it half can bus (three buttons on the steering wheel) or full can bus (two buttons and a scrole whee on the steering wheel)
Do you have a TID (two line display), GID (on board computer display) or CID (colour display for sat nav etc?

From this I should be able to confirm what the wiring harness is you need, what you need to get the steering wheel controls to work and how to best connect the head unit up.

Its a JVC kwr600bt. Its 2004 Signum with half can. And its a GID. Should have said earlier.

**coldo** · 9th July 2012, 20:53

ahhhh... right... I have a JVC head unit also running in my 2004 half can bus vectra...

The problem you are having is the constant power is connected tot he Acc and the Acc is to the constant (I think they are the yellow and red wires which are the wrong way round). Swapping these over should sort the issues your having over the radio powering up. It will only come on when the keys are in the ignition turned to a min of possition one.

So what you will need (it's what I used and itr worked first time) is the following...

Connects2 CTSVX001 - Vauxhall Astra, Corsa, Omega, Vectra, Zafira Steering Stalk Adaptor selecting the standard JVC patch lead.
http://www.dynamicsounds.co.uk/conne...or-p-9112.html

and an Autoleads PC5-27 - Vauxhall ISO to Din Antenna Aerial Adaptor
http://www.dynamicsounds.co.uk/autol...r-p-15114.html

You simply fit the wiring following the instructions provided. Make sure that the power feeds are not reversed (yellow to yello and red to red) on the head unit wiring. The patch lead needs to be bullet connected to the wired steering wheel control wire as per the install manual.

As for the blue tooth mic. I found the easiest way is to take the glove box out, pull back the door runber seal strip, loosen the passenger sun visor screws and finaly pull down the infrared alarm sessors. I then ran the mic cable from the drivers side of the infrared sensors roight accross the room, down the a piller but the rubber stip, behind the glove box and into the radio. It might seem like a faf but is the easiest way and provides the best reception. all you need is a T20 scrediver.

Have you fitted a facia kit for the radio? If not then this should do the job also...
http://www.dynamicsounds.co.uk/conne...it-p-8626.html

That lot should see you sorted. Let me know if you need more help...

**coldo** · 9th July 2012, 20:55

Oh, the guys at Dynamic Sound are dead helpfull also... So if your in any doubt you can just call them and talk them through what you want / need. They will sort you out...