Speaker wiring

2421 Views 4 Replies 4 Participants Last post by phillytitan, Jun 8, 2011

cegusman

Discussion Starter · Sep 15, 2010

I am about to replace the speakers and add a 4 channel amp. But have a question.

On the front door speakers how are the tweeter and mid wired up? Is there only 2 wires from the radio going to the door then spit via a external crossover for the 2 speakers. Or is there 4 wires coming from the radio going to each door?

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TFCommanderBob

· #2 · Sep 15, 2010

I honestly don't remember seeing a crossover there, but here is the diagram MiniPacou posted for the radio harness in another thread.

09 corolla
Battery LIGHT BLUE (+) RADIO HARNESS
Accesory GRAY (+) RADIO HARNESS
Ground BROWN (-) RADIO HARNESS
Illumination GREEN (+) RADIO HARNESS
Power Antenna TAN (+) RADIO HARNESS
LF Speaker (+) PINK
LF Speaker (-) VIOLET
RF Speaker (+) LIGHT GREEN
RF Speaker (-) BLUE
LR Speaker (+) BLACK
LR Speaker (-) YELLOW
RR Speaker (+) RED
RR Speaker (-) WHITE
Speed Sense VIOLET (AC) AT Radio harness
Reverse Lights RED (+) VEHICLE FUSEBOX

If you are replacing the speakers and adding an amp, I'd suggest you rewire with new lower gauge speaker wire to wherever you are placing the amp, and spend a couple bucks on a new headunit while you are at it. A decent HU and speakers will make more difference than a 4 channel amp imho. That said, I am running an alpine pdx-5 5 channel amp in mine.

Don't forget speaker brackets, the fronts are riveted so you gotta drill em out and consider using self tapping screws to put the new speakers in, and the backs need the 6x9 adapters.

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sienna1

· #3 · Sep 15, 2010

cegusman said:
I am about to replace the speakers and add a 4 channel amp. But have a question.

On the front door speakers how are the tweeter and mid wired up? Is there only 2 wires from the radio going to the door then spit via a external crossover for the 2 speakers. Or is there 4 wires coming from the radio going to each door?

They're two wire going to the door from the head-unit. It's connected to the tweeter first (tweeter has it's own crossover - capacitor), then from the tweeter's connector they're two more wires that feed the signal to the mids. The connection from the head-unit's output is bridged thru the tweeter to the mid's wires (if you remove the tweeter you'll lose continuity to the mids).

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cegusman

Discussion Starter · #4 · Sep 15, 2010

sienna1 said:
They're two wire going to the door from the head-unit. It's connected to the tweeter first (tweeter has it's own crossover - capacitor), then from the tweeter's connector they're two more wires that feed the signal to the mids. The connection from the head-unit's output is bridged thru the tweeter to the mid's wires (if you remove the tweeter you'll lose continuity to the mids).

Thanks just the news I wanted to her.

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phillytitan

· #5 · Jun 8, 2011

sienna1 said:
(if you remove the tweeter you'll lose continuity to the mids).

i installed components and kept the old tweeters zip tied inside the door. the prob that arose was that the wires started to get mangled due to interference with the window going up and down. so i decided to eliminate them.

first i needed to find out what wires needed to b spliced to sustain continuity. i just made two jumpers with spare wires to see which ones needed to be spliced - and w/ a little trial and error found out which ones worked. (1with 2, and 3with4)

after that, i just cut the wires b4 the molex plug and spliced them together to sustain the continuity to the mids. if you're looking at the four wires going into the plug for the tweeter, connect 1 and 2 together, & 3 and 4 together. doesn't matter what way your looking at it.

that way you can now just run the crossover from the wire entering your stock speaker.

hope this helps someone.

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