high performance alternator
high performance alternator
is anyone running a high performance alternator (higher than 136 amp)? is there any side effects to using something to push more power through the truck? i have this crazy idea about my speaker problem that i think a new or higher amp alternator might fix it.
i say this because my speakers do weird stuff at medium/high volume levels when driving but do not do those things when using the same volume levels while the truck is off, OR STOPPED.
its either that or the wiring of the truck
i say this because my speakers do weird stuff at medium/high volume levels when driving but do not do those things when using the same volume levels while the truck is off, OR STOPPED.
its either that or the wiring of the truck
Last edited by gjmoran; Apr 13, 2012 at 11:15 AM. Reason: added the bold text
hmm lemme dig up my old post..
"i have been posting around dodge forums and some other small car audio forums but havent had any success in fixing my problem. i will copy and paste my posts from the other thread so you can see what is going on.
"i have 2 JL speakers in the front doors and 2 kenwood speakers in the back.
originally i bought the headunit and the 2 front speakers (kenwood) at the time because i did not have enough to buy the back 2 speakers. issues started happening pretty much on my way home from the stereo shop. i went back and forth with the shop and they cant find anything wrong. i found if i faded the sound heavily +/- 9 to 12 to the front or the back the issue didnt seem to happen and i could crank the volume up to compensate for not having all 4 speakers bumping. i figured the back 2 OEM speakers could be the problem.
so i bought 2 jl speakers and put them in the front and put the kenwoods in the back. still had the same issues, tried fading to the front and the back and could crank it up pretty loud with no issues.
at this point the shop decided the head unit might be bad so i took it out and shipped it to kenwood with a long explaination of the problems going on with it and they sent it back saying there were no issues found with it. so the shop put in a temporary replacement for the time being to see if that would help and it didnt, the problem persisted.
AT THIS POINT where i am at now, the shop decided to put the OEM speakers back in and see if the speakers i put in were the problem. after going back to oem speakers i am STILL having the same problem after hitting about 20-22 volume level. it sounds like **** and even sounds worse when the volume drop and fuzziness kicks in.
ive taken this thing to multiple shops and they all say everything is good, the wiring the speakers the head unit the connections are all good. why wont this thing perform as normal????
i am so pissed off at this thing it makes me want to get rid of my truck. all i want is to have some decent sounding audio. can anyone please shed some light on this problem iam having?"
few months later
"well my issue im having is with a kenwood excelon 494 unit so dont go dropping money on it either.
im having more or less the EXACT same issue as you.
following my first post, just to reiterate i have tried the following combinations
new head unit + new speakers
random head unit + new speakers
new head unit + original speakers
the only thing i have not tried is original head unit and original speakers. the only thing i can think of at this point besides that is that there is a power issue with the alternator (more on this later) or may need all new wiring from the battery all the way back to the head unit and speakers, or possibly a capacitor (have NO idea why i should even need one just to power 4 gd speakers)
the reason why i say the alternator might be an issue is because i had a weird check engine light come on the other day and i had it read at the car repair shop. i forgot what the code was but it had something to do with rear abs speed sensor. i looked it up and came across some chrysler forums where a bunch of jeep/dodge guys were getting some weird codes thrown from time to time and they said that they get weird codes sometimes when they have unsteady voltages running through the truck. i had the car repair shop clear the code out and the check engine light hasnt came back and its been a few weeks. also even a few months prior to this last code that was thrown i had another check engine light but it happened in the middl eof the night and it disappeared by morning time and i never got a chance to get it read.
anyways i am so **** sick of this prob i want to poke my eyes out.""
"i have been posting around dodge forums and some other small car audio forums but havent had any success in fixing my problem. i will copy and paste my posts from the other thread so you can see what is going on.
"i have 2 JL speakers in the front doors and 2 kenwood speakers in the back.
originally i bought the headunit and the 2 front speakers (kenwood) at the time because i did not have enough to buy the back 2 speakers. issues started happening pretty much on my way home from the stereo shop. i went back and forth with the shop and they cant find anything wrong. i found if i faded the sound heavily +/- 9 to 12 to the front or the back the issue didnt seem to happen and i could crank the volume up to compensate for not having all 4 speakers bumping. i figured the back 2 OEM speakers could be the problem.
so i bought 2 jl speakers and put them in the front and put the kenwoods in the back. still had the same issues, tried fading to the front and the back and could crank it up pretty loud with no issues.
at this point the shop decided the head unit might be bad so i took it out and shipped it to kenwood with a long explaination of the problems going on with it and they sent it back saying there were no issues found with it. so the shop put in a temporary replacement for the time being to see if that would help and it didnt, the problem persisted.
AT THIS POINT where i am at now, the shop decided to put the OEM speakers back in and see if the speakers i put in were the problem. after going back to oem speakers i am STILL having the same problem after hitting about 20-22 volume level. it sounds like **** and even sounds worse when the volume drop and fuzziness kicks in.
ive taken this thing to multiple shops and they all say everything is good, the wiring the speakers the head unit the connections are all good. why wont this thing perform as normal????
i am so pissed off at this thing it makes me want to get rid of my truck. all i want is to have some decent sounding audio. can anyone please shed some light on this problem iam having?"
few months later
"well my issue im having is with a kenwood excelon 494 unit so dont go dropping money on it either.
im having more or less the EXACT same issue as you.
following my first post, just to reiterate i have tried the following combinations
new head unit + new speakers
random head unit + new speakers
new head unit + original speakers
the only thing i have not tried is original head unit and original speakers. the only thing i can think of at this point besides that is that there is a power issue with the alternator (more on this later) or may need all new wiring from the battery all the way back to the head unit and speakers, or possibly a capacitor (have NO idea why i should even need one just to power 4 gd speakers)
the reason why i say the alternator might be an issue is because i had a weird check engine light come on the other day and i had it read at the car repair shop. i forgot what the code was but it had something to do with rear abs speed sensor. i looked it up and came across some chrysler forums where a bunch of jeep/dodge guys were getting some weird codes thrown from time to time and they said that they get weird codes sometimes when they have unsteady voltages running through the truck. i had the car repair shop clear the code out and the check engine light hasnt came back and its been a few weeks. also even a few months prior to this last code that was thrown i had another check engine light but it happened in the middl eof the night and it disappeared by morning time and i never got a chance to get it read.
anyways i am so **** sick of this prob i want to poke my eyes out.""
to answer ur question, nothing amped. aftermarket head unit and stock speakers, i had aftermarket speakers but swapped them out thinking that was the problem but i have not had a chance to get down there to swap the aftermarket ones back in ..
Veteran
Joined: Apr 2011
Posts: 459
Likes: 0
From: North Vernon, Indiana
You do not need a alternator. There is no big electrical demand. Who did the install? You or a shop?
So you tried another headunit and it still does it? Are you positive the connections in the door are not shorting out on anything? Do all 4 speakers do it?
So you tried another headunit and it still does it? Are you positive the connections in the door are not shorting out on anything? Do all 4 speakers do it?
Professional
Joined: Mar 2012
Posts: 142
Likes: 0
From: Fitchburg, MA
sounds like something is not wired up right, or not wired at all. Ive seen where theres too much sound equipment and stuff starts messing up, and usually you do a big-3 upgrade and or install an HO Alternator. double check all connections and fuses...
Well to answer your question for future reference, you can get a alternator from a 2 gen Durango, same bolt pattern, and is 160. I believe Blown ended up getting one.
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