Aftermarket Deck W/ Stock SVT Sub Wiring (Re-visited) - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum
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Old 06-13-2011, 04:26 PM   #1
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Thumbs up Aftermarket Deck W/ Stock SVT Sub Wiring (Re-visited)

I figure I'd make a new how to on this since there seems to be some confusion with the other thread, I will make this simple to understand for those with no knowledge of electronics or wiring skills

this took me under 30 min to do and all you'll need is simple tools. to do a professional job you will need the following
1. wire cutter
2. soldering iron
3.heat shrink/electrical tape
4.spare RCA cable

now lets talk pin out, pin out is the wires going to your connector, in which case it is the BLACK plug connector

you will have 7 wires going into it
and you will need to cut 3 of the wires on the black connector, with the 7 wires going to it
the only ones you need to worry about are

WHITE/RED-amp turn on (6volts)
WHITE/BLACK-pre amp output (+)
GRAY/BLACK-pre amp output (-)

when cutting the wires make sure you leave some room on it just incase you decide to put a stock HU back in

now after you have your 3 wires cut, It's time to hook them up
the first one (in no particular order) will be your (system remote control/amp power wire) which on most normal aftermarket HU's are
BLUE/white or just solid BLUE all wiring should be labeled

so you'll take your system control/amp power wire
which is BLUE/WHITE and connect it to the WHITE/RED wire like so

now the next step you'll need to hook up your +/- pre amp outputs to a spare RCA cable

now to figure out whats what cut off some of the wire coating and you will see 2 wires like so

the wire in the middle will be your (+)
and the wire on the out side will be you (-)
now I ended up using and old scosche RCA which had a clear/and black coating on the wire the CLEAR being positive and the BLACK being negative

now you will want to hook up you +/- to the RCA wire( be very careful with the RCA wires since they are very small and frail and will break easily)

first we will take the
WHITE/BLACK which is the positive(+) and hook that up to the center RCA wire(or what ever other color you have that's positive)

second you'll take the
GRAY/BLACK which is negative(-) and hook it up to the out the outside wire(black or what ever color is your negative wire) once thats done it should look like this

after you've hooked up all three wires plug you RCA cable into the back of your aftermarket HU in a SUB pre-out ( it doesn't matter if its red or white)

this should be your final product

now plug everything back in and test it out (test it before re-installing the HU back into the dash)

if you've done everything correctly you now will have boom booms in your car

and please don't' mind the butt connectors they where use just for the mock up and how to

HatchNation #36
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Last edited by kwg2371; 06-14-2011 at 04:11 PM.
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