Serious voltage drop - Ford Powerstroke Diesel Forum

 
LinkBack Thread Tools Display Modes
post #1 of 5 Old 05-14-2008, 12:45 PM Thread Starter
Member
 
Join Date: Mar 2008
Posts: 37
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Serious voltage drop

Ok so battery light comes on on the way to work. Head over to advanced after seeing that one of the batteries (cheap duracrap/Advancenothing brand) was leakin. So I drop 400$ on a good charger and two optima red tops.

go out to the truck to start her up and it was cranking but no start. Tried again and same thing just more sluggish. So I replace the batteries and it starts, slower then usual and the battery light is still on. I drive it around a bit (15 minutes) and it will come on at idle and shut off under heavy load.

truck has a very slight cycle, as in it sounds like the voltage is dropping and kicking the alternator back on. I am thinking the voltage regulator is messed up on the alternator.

Any other ideas?

____________
Ed


2000 F250 CC,LB, white whale addition
6in lift, 35" Nitto Terra Grapplers,SuperChips Cortex,Limo Tint,optima red tops
CaptAhab is offline  
post #2 of 5 Old 05-14-2008, 01:15 PM
duct tape & zip ties

 
bigcountrysg's Avatar
 
Join Date: Jul 2006
Location: Willis, MI
Posts: 10,761
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Send a message via Yahoo to bigcountrysg
I say the alternator needs to be replaced. If your battery light is on most likely is caused by a faulty alternator.


Your Actions Today, Decide Your Future Tomorrow

2005 6.0 Crew Cab Long Box Lariat, current truck

2004 6.0 destroyed by contaminated fuel

2002 7.3L burnt
bigcountrysg is offline  
post #3 of 5 Old 05-14-2008, 01:24 PM
Member
 
mudracer's Avatar
 
Join Date: Feb 2008
Location: norborne, mo
Posts: 77
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
I vote for the Alt.

08 f450 cc drw 6.4l sct inovative tunes dpf delete airaid air intake
mudracer is offline  
post #4 of 5 Old 05-14-2008, 01:33 PM Thread Starter
Member
 
Join Date: Mar 2008
Posts: 37
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
thats what I'm thinkin

Any good brands?

I was kinda thinking of fanless one. Guess it really doesn't matter but the other question I had is how hard is it to upgrade to a dual alternator setup? I know some years of my truck had that as an option.

____________
Ed


2000 F250 CC,LB, white whale addition
6in lift, 35" Nitto Terra Grapplers,SuperChips Cortex,Limo Tint,optima red tops
CaptAhab is offline  
post #5 of 5 Old 05-14-2008, 01:36 PM
Emergency Services
 
cchase's Avatar
 
Join Date: May 2007
Location: Columbus, OH
Posts: 5,534
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Send a message via AIM to cchase
check the conection on the alt. mine came lose and did the same.



On vacation from a truck for a year or...
Looking at 6.4s Moving in a few months then hopefully buying my dream truck!!!

Driving an Audi till then...
but at work I drive
16 E-450s 7.3 powerstroke Ambulances
7 Duramaxes
1 GMC Kodiak Ambulance

NO CUMMINS.....
cchase is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome