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  1. Did I just kill my alternator?

    '14 LX sedan purchased in fall of 2017 under CPO program with 11k on it. The other day, after backing into my garage, I noticed that the headlights began to dim a bit when I turned the steering wheel in either direction. Not a major dim but sufficient to see it on the inside of my garage door...
  2. changed battery and battery cable and now have MAJOR issues

    Mechanical Problems & Technical Chat
    So guys a couple days ago the car would not start and i posed the hood open to discover the battery corroded the heck out the positive post. I just cleaned the post about 4 months ago. As I'm taking the wire off it rips so now its useless. I change the battery and i buy the auto zone durmast...
  3. Battery/Starting Issue

    Mechanical Problems & Technical Chat
    So ive had a 600 rms kicker amp with a kicker 12'' sub for about 2 years now. Ive had lights dim but nothing to major for about 2 years on the stock battery. Last week i turned on my car to go to work and it was really slow to crank. I thought the old battery had taken a dookie so i went to...
  4. Need help diagnosing starting issues!

    Mechanical Problems & Technical Chat
    Hello, I'm hoping that someone on here can offer some insight. I've been having problems with my 12 Civic EX since it was about a year old. It drives fine, but occasionally will decide not to start. This has happened about 1x/year for the past 3 years. The pattern was always the same, until...
  5. 2012 honda civic si amp problems

    Audio/Video & Navigation
    I have the 2012 honda civic si now i have a kicker 1000 watt rms amp to a rockford t2 and a pioneer HU now ive been having problems my sub and amp are getting way to hot now my amp is drawing a 11volts and need more supplied to it so it works hard sending clipped signals to my sub inturn making...
  6. High Output Alternator?

    Engine, Engine Swaps, Pulleys, Injectors
    I have done some searching around... ebay... google... and whatnot... Can't find a high output alternator for the 2012 si coupe (or sedan) And I have searched the forum too Does anyone know where I might find one, or a company that might have one? an alternator that does like 180 - 200 amps?
  7. Stock Alternator Amperage?

    Audio/Video & Navigation
    So, I've searched a lot and can't find anything specifically stating what the stock alternator's amperage is in the 2012 Civic Si. All the parts locations I see that mention the stock alternator either don't mention amperage at all or state N/A or TBD for the spec. I noticed the main fuse for...
  8. I got a defective alternator

    Audio/Video & Navigation
    tested in kragen auto parts for free alternator 30 amps below no constant charge..... no charge output just randomly just 12.3 volts if i put my high beams or air condition i get 14.4 volts rarely any got the same problem could this be by the amplifier streessing out the load on the...
  9. can i keep the stock alternator if i buy a Kinetik HC1200 (KHC1200)

    Audio/Video & Navigation
    Adding a Second Battery i dont want to buy a cap because they are useless.... i m only ganna use a 4 gauge wire... let me know if this is ok ....so i can order it
  10. Starting Problem

    Drivetrain Problems
    Didn't start in the cold!? Hey guys, I currently lease a brand new 2012 Si Coupe (Since end of September, 2011) and under 10K kms, so my surprise came this morning (after the car has been sitting out all night in about -2 degrees celsius/28.4 degrees farenheit), it wouldn't start! :SHOCKED...