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<blockquote data-quote="HardofWhoring" data-source="post: 8838285" data-attributes="member: 674149">All head units will have a harness that plugs into the back of the head unit.&nbsp; You either need an adapter harness to connect the wires from the head unit to your factory harness, OR you depin your factory harness, pull it out, and rerun the pins.&nbsp;&nbsp; It&#039;s a fair amount of work, and if you ever plan on going back you have to put it all back instead of just plugging it back in.&nbsp; &nbsp; You would be looking for an aftermarket harness for your vehicle, and it&#039;s much easier that way, plus you can set all the pins right while sitting on the toilet, the couch, or wherever you choose, then plug it in, instead of working head deep into your dash.&nbsp; (Yeah get that if you can, and you match up the wires and it&#039;s ready to plug in, when you are ready for it, instead of figuring out all of that mid-install). All four of those look exactly the same.&nbsp;&nbsp; What aftermarket companies are notorious for doing is not labeling things correctly or universally, (usually because more than one person does it).&nbsp; Then you have multiple names for the same item.&nbsp; Which is all that looks like to me.&nbsp; One is Vauxhall/Opel, one is just vauxhall, one has connects 2 in the name, you get it. Antenna adapters are usually because of how the antenna plug in is, combined with the space behind it.&nbsp;&nbsp; If you need one, it&#039;s most likely a 90 degree plug because there isn&#039;t efficient clearance behind it, (if there isn&#039;t it will cause interference if you put stress on the cable).&nbsp;&nbsp; If it says you need one, you probably do, but it&#039;s only one style, it would just depend on the shape to route it. You should have two &quot;power wires&quot;.&nbsp;&nbsp; You have a battery/12v/power wire (which on Sony, the last one I had was yellow).&nbsp; This supplies all the power to run the head unit, (especially if it powers your speakers), and stores your memory.&nbsp; You then also have an ignition/accessory &quot;power wire&quot;.&nbsp;&nbsp; That wire is a switch/(power BUTTON) wire, and turns on and off when the key is in and on.&nbsp; &nbsp; If you wire them differently than that, then your head unit will stay on when you take your keys out and walk away, which will kill your battery.&nbsp; You&#039;re good,</blockquote>

[QUOTE="HardofWhoring, post: 8838285, member: 674149"] All head units will have a harness that plugs into the back of the head unit. You either need an adapter harness to connect the wires from the head unit to your factory harness, OR you depin your factory harness, pull it out, and rerun the pins. It's a fair amount of work, and if you ever plan on going back you have to put it all back instead of just plugging it back in. You would be looking for an aftermarket harness for your vehicle, and it's much easier that way, plus you can set all the pins right while sitting on the toilet, the couch, or wherever you choose, then plug it in, instead of working head deep into your dash. (Yeah get that if you can, and you match up the wires and it's ready to plug in, when you are ready for it, instead of figuring out all of that mid-install). All four of those look exactly the same. What aftermarket companies are notorious for doing is not labeling things correctly or universally, (usually because more than one person does it). Then you have multiple names for the same item. Which is all that looks like to me. One is Vauxhall/Opel, one is just vauxhall, one has connects 2 in the name, you get it. Antenna adapters are usually because of how the antenna plug in is, combined with the space behind it. If you need one, it's most likely a 90 degree plug because there isn't efficient clearance behind it, (if there isn't it will cause interference if you put stress on the cable). If it says you need one, you probably do, but it's only one style, it would just depend on the shape to route it. You should have two "power wires". You have a battery/12v/power wire (which on Sony, the last one I had was yellow). This supplies all the power to run the head unit, (especially if it powers your speakers), and stores your memory. You then also have an ignition/accessory "power wire". That wire is a switch/(power BUTTON) wire, and turns on and off when the key is in and on. If you wire them differently than that, then your head unit will stay on when you take your keys out and walk away, which will kill your battery. You're good, [/QUOTE]

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