Old car, new headunit - help on wiring

[mykeys 10+ year member]

I suppose you can call or email pioneer or talk to your local dealer to get the manual which would be your best bet for wiring. I doubt the wiring for a US model will help you at all.

 

[ProcalX 10+ year member]

Well, i am completely lost now, i have a wiring diagram of the ISO connector (the extra wiring harness i previously called it) on its way to me in the post free from pioneer.

I'm going to get a friend from a local garage to have alook at what needs doing once i have that and then face facts that its probably easier to pay him £50 to do the whole thing for me..

 

[mykeys 10+ year member]

It really isn't so difficult. From your car you need constant or battery power (same thing) you need accessory or ignition power (same thing) and a good ground preferably (sp?) to the body not the one coming from dash. and two legths of new speaker wire to your speakers. With the manual you will have all that info. Even with no experience you could have it done inside of an hour. It is not hard just takes a little time.

 

[ProcalX 10+ year member]

OK, right because of the previous post i have searched and searched to try and get the info needed, and so in the post i have a wiring diagram of the ISO connector that i recieved with this CD Tuner //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif - which will help me wire it big style //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif

anyway, i found this in the archives of some dead car audio forum on the internet:

Orange = +12V constant

Red = +12V switched

Black = ground

Green/Black = Left Front -

Green = Left Front +

Grey/Black = Right Front -

Grey = Right Front +

Black/White = Right Rear -

Grey/Red = Right Rear +

Black/Green = Left Rear -

Green/Red = Left Rear +

(the wiring diagram for the ISO connector/block that comes with my headunit (DEH-890)

however, i still have two wires, which were not listed on this post i found:

A blue Wire & A Yellow wire, which funnily enough happen to be the only two wires with their factory descriptions attached to them, they state:

BLue wire says:

"If this unit is combined with a power amplifier, connect its blue lead to the blue lead (system control terminal) of the power amplifier. If combined with an auto-antenna, connect its blue lead to the relay control terminal of the auto-antenna (MAX. 300mA, 12 V DC)"

The yellow wire says:

"To lighting switch terminal"

if anyone can tell me if i need these or not?

also, the orange wire (the +12 V Constant) has two black plastic blocks along the wire, which i presume are some sort of fuse's as one of them says "10A", as u can see in the previous images i took of the cars original wiring my car already has a +12V Constant running from the battery or what ever, which is brown and red.

How would i attach these? would i have to cut the original brown/red +12V constant above its fuse and then attach my wire to it? with the new headunits fuse?

Once i know im not missing anything and im not gonna blow anything i can then wire this up with confidence!

ALMOST THERE! WAHOO! THNX GUYS!

 

[mykeys 10+ year member]

You can either wire the existing constant poer to your orange or run a new one shouldn't really matter. you use somple butt connectors

like this -> http://tiewraps.com/buttsplicesvinyl.html

The yellow wire Maybe for deck illumination. Wire up the deck and leave off the yellow. make sure everything works ok. Then see if it lights up (back light) if no back light then connect the yellow with yout swtched power to same wire and you should be good to go.