Wiring Diagram for 2008 Honda Civic SI 4 Door Sedan - Honda-Tech

Wiring Diagram for 2008 Honda Civic SI 4 Door Sedan

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Old 05-21-2008, 04:56 AM   #1
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Default Wiring Diagram for 2008 Honda Civic SI 4 Door Sedan

I am needing a wiring diagram for the 2008 Civic SI so that I can install my siren. For example, there are wires for the following:

Hands Free Inputs (connects to the Horn Ring Circuit) used to toggle siren sounds from the horn switch instead of having to reach over and do it on a switch box.

Backlighting - connects to marker light circuit ?

Park Kill (will kill siren when you put the car in park - not sure how that would work with a manual trans) - connects to the neutral safety switch signal wire.

A wire to connect to a low current system switch - not sure what they are talking about here.

Here is a link to the installation guide of the siren.


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Old 05-21-2008, 07:52 PM   #2
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Default Re: Wiring Diagram for 2008 Honda Civic SI 4 Door Sedan (jschaff)

Why install a siren on a brand new car? You are going to void any warranty on anything associated with the wiring you have to splice into. Honda does not like modifcations on there cars espically wiring
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