Low charging state WHY
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Junior User
Joined: Mar 2012
Posts: 59
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Sorry I couldnt get back sooner, 1st, those grounds are a PITA to get to. 2nd the battery connect cable has god continuity and resistance. I checked alternator at the alternator 13.6 then at the batteries12.6 on drivers side and 12.5 on pass side. Took alternator off had checked at oriellys 14.5 low side and 16.1 high side. As berick mentions could alternator be weak on the truck but test fine?? Any help appreciated, I just dont get why im not getting 14+ with truck running.
2006 Bullet-Riddled 6.0
Joined: Sep 2011
Posts: 651
Likes: 5
From: Sac River Delta Ca.
If your batteries are full up you are not going to get the 14 volts. Do you have a amp guage that you can use? If so here are some Ford specs on the alt:
@Idle 13.7 volts @60 amps
@2000 rpm under a load: 13.4 volts@90 amps
This is where you should be give or take of coarse.
For whatever reason the alts in these trucks stay in the 13+volt range it will hit 14volts if your batteries are down enough.
@Idle 13.7 volts @60 amps
@2000 rpm under a load: 13.4 volts@90 amps
This is where you should be give or take of coarse.
For whatever reason the alts in these trucks stay in the 13+volt range it will hit 14volts if your batteries are down enough.
Hotshot
Joined: Apr 2010
Posts: 19,056
Likes: 235
From: Saratoga Springs,UT
The passenger side battery is where the alternator and GPCM get their B+
whats the DTC you get???
Not Many Alts will hit 14s volts average is 13.3-13.8volts still ok
If you want to see 14+ volts then DC Power is what you want
whats the DTC you get???
Not Many Alts will hit 14s volts average is 13.3-13.8volts still ok
If you want to see 14+ volts then DC Power is what you want
Laughing Gas
Joined: Feb 2008
Posts: 754
Likes: 2
From: AB,Can
+1...... My stock alternator only put out around 13.2.... my DC puts out between 14.2 - 14.7.... hasn't fell below 14 yet.
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