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I have a Pioneer DEH-P77DH head unit and a Kenwood KAC-8403 amp to install. I have a wiring harness to connect to the factory harness of the head unit harness to the Pioneer unit.From the amp side of this setup can I just tap into the speaker wire of the new harness running from the Pioneer head unit back to the amp and install RCA patch cables to do this hook up or is there some other way that I should do this.Since all the wires are running from one harness to the other would the speakers not be controlled like they were with the orginal head unit.
What you want to do is leave the speaker wires coming out of the new deck unhooked (tape them off to be safe). Then run RCA cables from the RCA outs back to your amp. Then new speaker wires from the amp back to your speakers. Don't try to re-use any of the factory speaker wire unless you absolutely have to. Take new wire all the way to each speaker.
My 2005 Dodge Ram Quad Cab Blow-through
I have the following equipment to hook up.
Pioneer DEH-P77DH head unit
Kenwood KAC-8403 amp
When hooking up the speakers to this set up should I tap into the origial speaker wire or should I hook up to the speaker wire coming from the new harness and cut off the orginal speaker wire. I have everything ready to hook up but I am not sure how to hook up the speakers.
mr jerry:Does it cause damage?
No - up to 50-60W RMS it really can work either way. The factory wiring is often fairly small gauge (thin) but speaker wire gauge is also pretty over-rated, so unless you are running 100W/channel, you can usually get away with the factory wiring.
OTOH, by the time he ran the wire from the amp to the HU and then the factory wire out to the speakers, he is running a longer wire run with more disconnects than just running straight to the speakers. OTOOH (the other other hand), he hasn't touched the factory wiring, so if he sells the car he can just plug the factory HU back up and be good to go.
2002 Ford Focus JVC KD-A815 Sony CDX-GT410u Sony XT-100HD HD Tuner Stock speakers, no amp, no subs
To avoid confusion, let me try to cover all the bases for Bruce.
Your Pioneer HU has three sets of pre-amp outputs. The Kenwood amp is 4-channel 60Wx4.
I'm assuming you are hooking up four main speakers to this, but if that is not the case, that may be the cause of the confusion.
I am assuming you understand that you will need power, ground, and a remote turn-on wire to the amp.
You want to use RCA patch cables from the front and the rear RCA outputs on the HU to the RCA inputs on the amp.
You want to disconnect the speaker wires from the Pioneer wire harness from the HU and cap them off so they cannot short out anywhere.
You have three options for wiring the speakers to the amp:
I've known people to use any of the three methods and any of them can work.
Hope This Helps!!!
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