Alternator Done - Page 2 - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #11 of 22 (permalink) Old 12-21-2008, 05:53 PM Thread Starter
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Just went and through a 145amp on and we will see if that is enough!! If not then I might think about putting on a second alternator...


Thanks!!!!!!!!

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post #12 of 22 (permalink) Old 12-21-2008, 06:24 PM
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Quote:
Originally Posted by daddysLBZ View Post
You could get a older style Chrysler alt and just dedicate the charging circuit to the items you want to keep powered..They are easy to set up,and cheap too.
Keep in mind how you gonna drive it though...I saw somewhere on a diesel forum where a guy w/dually had 2 extra alternators[maybe this forum here??,i dont remember]..

IDK his name but his avatar has a white dually with high-rise power lines in the background....
I bet he could help you out with your project..He has listed what he uses these for and I was blown away by the stuff he is able to power with his set up!!!!

I beleave he is at the dieselplace.com

2004 LB7 Crew Cab 4x4 SLT
Dyno stock numbers 454.3rwTrq and 246.8rwhp boost 22psi EGT 1100
23.2mpg @70mph hwyAmsoil-Air Filter, motor oil, both Diff's, Tranny, Tranfer Case Autometer C2 0-35boost and 0-1600temp gauge Cooper STT Tires 285/75-R16
PPE Standend set on 40hp/160trq and Boost valve Single Flowmaster 4" with a SS 5" tip, two Interstate battery 800 CCA
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post #13 of 22 (permalink) Old 12-23-2008, 11:34 PM
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Originally Posted by daddysLBZ View Post
My truck came w the 125 amp one..I found dat out when the VIN check came back!!I'd recommend everyone to have one done..I was amazed when I saw the option list on my truck.
Does anyone on here know how to set up capacitors??I'd like to get more info on that??
That would eliminate the extra batteries and alternators
[I think]
Capacitors just store juice and supply it as needed,but IDK much about them....ANYONE KNOW?????
Capacitors are for short time voltage boosts when u need to start an electric motor or in a sound system. as the voltage fades it releases its enery. For storing power to run someting is not what a cap does. As soon as you short the pins out the capacitor is discharged. hope this helps
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post #14 of 22 (permalink) Old 12-24-2008, 12:58 AM
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what you should get is one of those whisper quiet diesel gens that run at under 60 dba

-Kyle

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post #15 of 22 (permalink) Old 12-25-2008, 09:02 PM
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Quote:
Originally Posted by reefer man View Post
Capacitors are for short time voltage boosts when u need to start an electric motor or in a sound system. as the voltage fades it releases its enery. For storing power to run someting is not what a cap does. As soon as you short the pins out the capacitor is discharged. hope this helps
That does help,thanks....

2006 GMC 4x4 CC/SB/sle1/LBZ**312,000 miles!!** PPE HOT+2 225 TUNE beeeyotch:-)AutoMeter egt/boost Suncoast 5 trans w/1056TC!,billet in/out shafts/MagHytec pan!!,M/A built T-Case,4 in.str8piped,5%tint all around......
2007 Chevrolet 4x4 cc\sb,lbz.......SOLD to blunova
Also, I speed and don't come to complete stops at stop signs.


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post #16 of 22 (permalink) Old 12-25-2008, 09:04 PM
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I beleave he is at the dieselplace.com
Actually he is here !!
His user name is Reidler....

2006 GMC 4x4 CC/SB/sle1/LBZ**312,000 miles!!** PPE HOT+2 225 TUNE beeeyotch:-)AutoMeter egt/boost Suncoast 5 trans w/1056TC!,billet in/out shafts/MagHytec pan!!,M/A built T-Case,4 in.str8piped,5%tint all around......
2007 Chevrolet 4x4 cc\sb,lbz.......SOLD to blunova
Also, I speed and don't come to complete stops at stop signs.


''don't sweat the petty things,pet the sweaty things''
Click below/pictures of my junk!!
http://www.duramaxforum.com/forum/vb...do=hall&u=8415
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post #17 of 22 (permalink) Old 12-26-2008, 11:25 AM
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Quote:
Originally Posted by daddysLBZ View Post
Actually he is here !!
His user name is Reidler....
ok, thanks for clearing it up for me.

2004 LB7 Crew Cab 4x4 SLT
Dyno stock numbers 454.3rwTrq and 246.8rwhp boost 22psi EGT 1100
23.2mpg @70mph hwyAmsoil-Air Filter, motor oil, both Diff's, Tranny, Tranfer Case Autometer C2 0-35boost and 0-1600temp gauge Cooper STT Tires 285/75-R16
PPE Standend set on 40hp/160trq and Boost valve Single Flowmaster 4" with a SS 5" tip, two Interstate battery 800 CCA
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post #18 of 22 (permalink) Old 01-07-2010, 10:50 PM
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I have a ?, I have a 04 LB7 3500HD Dually, My Alternator has been acting up for the past 2 days, and I now have a project for Saturday (replacing it). I know there are 105 and 145 amp that were installed on the trucks. My Question is, any way to see on the exterior of the Alternator, any ID #'s to tell what unit I have, I never trust the box, or the kids that work behind the counters
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post #19 of 22 (permalink) Old 01-08-2010, 09:12 AM
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The 145a has a phisically larger case than the 105a but they mount the same. The 145a is a plug and play upgrade for the 105a. I just did this to my truck when my 105 died. The problem I had was waking my damn instrument cluster up. I had to start the engine with the alternator unplugged, then plug in the alternator and start it charging after the engine was running for a few moments.

2004 CCSB LB7. EGR system is MIA. DSP5 is now gone, turbos cost too much.

Last edited by tmoore131; 01-08-2010 at 09:15 AM.
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post #20 of 22 (permalink) Old 12-10-2012, 09:49 AM
 
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Originally Posted by mijdirtyjeep View Post
Funny thing is I did not realize it was not charging for around 16miles, my blower fan sounded like it was not running as fast and I looked at the message center and it said Battery not charging. I turned around and drove home without any performance issues, can not do that with a gasser, nice not having spark plugs...
They don't have spark plugs, but that computer sure better have power or the truck wont run.
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