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Old February 10th, 2013, 09:56 PM   #1
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4cyl high output alternator

what is the stock output of the 4cyl's?

i'm looking to change mine to high output one. can someone point me to the right direction? how high should i go?

iv'e noticed since i installed my air suspension my batt is close to dying and my SRS light just came on. tired to troubleshoot but doesn't really want to reset. i read that if your power source is low it makes the SRS to act up. last time i used my car at night the SRS would go on and off. so i'm thinking w/ dual compressors it's really giving my alternator a hard time.

but i also changed my seats, installed my old seat buckle and that box under the seat. so i'm pretty much my old set up. now i did the code look up for the SRS and getting a result of INTERNAL FAILURE OF SRS UNIT.
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Old February 10th, 2013, 10:07 PM   #2
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100 amps
180 AMP HIGH OUTPUT ALTERNATOR ELEMENT TSX ACCORD 2.4L - High Amp Performance Output Alternators for Honda

aftermarket is 180
or if u need more 320
https://www.dcpowerinc.com/fit/2008~...80-320-hp.html
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Old February 10th, 2013, 10:22 PM   #3
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i think i'm ok w/ 180 amp? don't have ICE anyways, just dual compressors. thnks for the links Ken.

so i read this:

A 2 gauge (or better) power cable required to complete your upgrade. The power cable mounted between the Battery Positive and Alternator charge post is needed as an additional path for current for the best battery maintenance during higher than normal load times. Use an inline fuse in this additional power cable mounted closer to the battery side. This picture (not representative of the correct car) shows a 4 Gauge Power Cable Upgrade, but for this Alternator You will need a 2 gauge or larger with 150 Amp inline fuse.

so i just need to add another power cable together w/ this alternator.
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Old February 10th, 2013, 10:43 PM   #4
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you take out your old one. I suggest you do the big 3 upgrade while you are at it. Use 0 gauge wiring and an inline fuse that is above the amp you are choosing. 180 amp so 200amp fuse.

As for the SRS you need to do the resister trick. I am sure you can search for it somewhere on here.
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Old February 10th, 2013, 10:59 PM   #5
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iv'e seen and read a lot for the SRS reset. just need to change out the alternator and possibly the batt then tackle the SRS. big three sounds good too.
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Old February 11th, 2013, 10:41 AM   #6
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well i went to o'reilly this morning and had my alternator and batt checked. guy said i'm all good, alternator kicks up to 14 amps and my batt is good. guy is knowledgeable on air suspension and gave me good advice.

he advised me to get BIG THREE, w/ inline 100 amp fuse. now where to purchase a good kit? also, do i need to change the OEM harness from alternator to batt or just piggy back?

what do you guys think of this? where do i mount them?

http://www.sonicelectronix.com/item_...FYdxQgodHkgA3Q

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Old March 6th, 2013, 09:35 AM   #7
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I didn't know that the stock amp was only rated at 100 watts. That seems surprising considering it has been chugging along in my car running 4 (albeit small) amplifiers for about a year.

The big three is a good upgrade to stabilize voltage, but after having done it myself I didn't feel that there was any noticeable change. You do not have to remove the OEM harness, just add the 1/0 run to it. The other two are the battery to ground and engine to ground wires. That Tsunami kit would have been good, they have high strand count wire.
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Old March 8th, 2013, 11:40 PM   #8
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wouldn't a high output alt create more engine drag = less mpg ???
the main reason i bought a accord [2007] is because of the gas mileage/reliability.
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Old March 8th, 2013, 11:44 PM   #9
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^^^ how?
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Old March 31st, 2013, 08:44 PM   #10
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Quote:
Originally Posted by towncarblue View Post
wouldn't a high output alt create more engine drag = less mpg ???
the main reason i bought a accord [2007] is because of the gas mileage/reliability.

it will. i doubt it will make a significant difference though.
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Old April 2nd, 2013, 03:54 PM   #11
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Quote:
Originally Posted by towncarblue View Post
wouldn't a high output alt create more engine drag = less mpg ???
the main reason i bought a accord [2007] is because of the gas mileage/reliability.
The only way this would happen is if you get a heavier or larger diameter alternator pulley.
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