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07-31-2017, 08:48 AM
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#1
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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Voltage regulator
Isn't my voltage regulator part of the ECU?
I am seeing about 14.7v anytime the truck is running. i have tried 2 different alternators since its been doing this for over a year.
I know its not a LOT of over charging but i am particular about my truck. my stereo Amps love it but i am starting to think it is shortening the life of my batteries. I have put a set of Delco batteries in since then and i never replace just one battery. Batteries load test fine and i put them on a high end charger that desulficates them when it sits. cables are clean and tight of course...
what would you go after? grounds? PCM?
I have worked on a LOT of 3rd gens and never seen an over charging issue.
__________________
07' Silver 2500 5.9 4x4 LWB
Goerend 48re-csp5/EFI- T&C Mild Cp3-F1 Apex 7.5 -S369sxe Amsoil
Coolant Bypass -Airdog-D&J- Hamilton 188/220 -AFE-ARP Opti-Lube
H-Town Off-Road
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07-31-2017, 09:43 PM
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#2
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Name: 03bluemule
Title: Rookie
Status: Not Here
Join Date: Mar 2014
Location: southwest ohio
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Posts: 10
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My 03 charges about 14.5-14.8 all the time. I believe that it is normal. In the winter months in ohio it charges 14.8-15.2 ! At least that's what the edge cts insight reads. Yes it is computer controlled. Hope this helps.
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03 ho,6 speed straight pipe, cai, 3500, drw, Smarty s06 , cts insight.
Last edited by 03bluemule; 07-31-2017 at 09:45 PM.
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07-31-2017, 10:06 PM
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#3
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
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Posts: 4,715
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Completely normal.
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07-31-2017, 11:36 PM
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#4
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Name: Jballou
Title: FNG
Status: Not Here
Join Date: Feb 2012
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Posts: 28
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Normal.
__________________
04, 4x4 short bed 4 door, 48re with 3 disc DPC, billet input, intermediate. HPt by Firepunk. Exergy BMS 50hp
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08-01-2017, 08:45 AM
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#5
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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well.... that's a load off. not sure why ive never noticed it before.
__________________
07' Silver 2500 5.9 4x4 LWB
Goerend 48re-csp5/EFI- T&C Mild Cp3-F1 Apex 7.5 -S369sxe Amsoil
Coolant Bypass -Airdog-D&J- Hamilton 188/220 -AFE-ARP Opti-Lube
H-Town Off-Road
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08-06-2017, 07:51 AM
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#6
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Name: NEVRNF
Title: Too Much Time
Status: Not Here
Join Date: Apr 2006
Location: NW IL
Member`s Gallery
Posts: 251
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Voltage is controlled by the Battery Temperature. There is a sensor in the bottom of one of the battery trays. I don't have one on my conversion and I see the voltages you guys are seeing. I was going to add one to see if it lowers the voltage to a lower amount. BTW the part number for it is #56041053
__________________
02 Ford Excursion 03 5.9 CR conversion, F1 cam, springs & stg II sticks, ATS Dual Cp3, Floor it pump kit, Air Dog, Garrett stg3 from Turbo Re-Source, BTS trans, Destroked Adapters, PCS Trans Controller, Hypermax Intercooler,EFI Live by Cummins Tuner, 8 lift and 38" tires
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08-06-2017, 10:36 AM
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#7
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
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Posts: 1,496
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Mine is the same. Seems like it has crept up a bit lately. Just make sure sure both batteries are getting the same voltage and the cross over cable is good and clean.
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-17-2017, 07:07 AM
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#8
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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i dont remember seeing a battery temp sensor under either batteries and ive put several sets in since 07. as long as its normal im fine with it.
i bought 2 in dash volt meters off ebay (one for the 2nd gen) and the 2nd gen sits at 13.7 all day long.
oh well, id rather ask than wonder....
__________________
07' Silver 2500 5.9 4x4 LWB
Goerend 48re-csp5/EFI- T&C Mild Cp3-F1 Apex 7.5 -S369sxe Amsoil
Coolant Bypass -Airdog-D&J- Hamilton 188/220 -AFE-ARP Opti-Lube
H-Town Off-Road
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12-27-2017, 02:56 PM
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#9
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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thought i would bring this up......
now that its winter i see 14.9-15.0 volts. anyone else get this high?
__________________
07' Silver 2500 5.9 4x4 LWB
Goerend 48re-csp5/EFI- T&C Mild Cp3-F1 Apex 7.5 -S369sxe Amsoil
Coolant Bypass -Airdog-D&J- Hamilton 188/220 -AFE-ARP Opti-Lube
H-Town Off-Road
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12-27-2017, 03:12 PM
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#10
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Name: Mark Nixon
Title: No Savior among the flesh
Status: Not Here
Join Date: Feb 2009
Location: Brownville, Nebraska
Member`s Gallery
Posts: 8,676
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Quote:
Originally Posted by SixOhh
thought i would bring this up......
now that its winter i see 14.9-15.0 volts. anyone else get this high?
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Yes, this guy mentioned it earlier in this thread...
Quote:
Originally Posted by 03bluemule
My 03 charges about 14.5-14.8 all the time. I believe that it is normal. In the winter months in ohio it charges 14.8-15.2 ! At least that's what the edge cts insight reads. Yes it is computer controlled. Hope this helps.
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Mark.
__________________
If you or I did business like the PEOPLE in government do business, we'd be put in jail. Government is coercive.
Anarchy: The state of existence where there are no masters & no slaves. Therefore, Anarchy means the ABSENCE OF SLAVERY, or, in other words, FREEDOM.
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12-27-2017, 07:42 PM
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#11
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Name: thatguy69
Title: Too Much Time
Status: Not Here
Join Date: Jul 2011
Location: Mansfield Ohio
Member`s Gallery
Posts: 2,023
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Quote:
Originally Posted by Mark Nixon
Yes, this guy mentioned it earlier in this thread...
Mark.
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Wish I could get mine to charge higher. It only charges at 13.7, is there anyway to raise it without going to a aftermarket voltage regulator? Batteries need all the help they can get with these -5 degree mornings we've been having.
Sent from my SM-N910V using Tapatalk
__________________
1999 Compound 24v Rust Rocket
2008 F350 P24v/Allison
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12-31-2017, 12:37 AM
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#12
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Name: SixOhh
Title: EPA unfriendly
Status: Not Here
Join Date: Aug 2008
Location: Magnolia, TX
Member`s Gallery
Posts: 1,108
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Are you referring to your 99 second gen? if so they charge @ less then 14v... my wifes 01 charges at 13.7 too.
The only reason i bring up talk about batteries is, i used to run a golf cart business and i learned a LOT about batteries since that is the heart of an electric cart. 12.5v is the breaking point for a 12v battery. 12.7 is a healthy resting voltage and once a battery gets below about 12.4 desulfication occurs. This is the process where the lead plates start getting build up. I have purchased several battery chargers that can reverse this process and i must say XS power and Genius are my favorite battery healers.
__________________
07' Silver 2500 5.9 4x4 LWB
Goerend 48re-csp5/EFI- T&C Mild Cp3-F1 Apex 7.5 -S369sxe Amsoil
Coolant Bypass -Airdog-D&J- Hamilton 188/220 -AFE-ARP Opti-Lube
H-Town Off-Road
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