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drm
New User
Jan 14, 2009, 9:35 AM
Post #1 of 6
(1583 views)
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1997 dodge 2500 pick up 360 v8 auto
i have replaced the battery, the alternator,and the computor and i am still only producing 11.84 volts im lost!!!!!!
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way2old
Veteran
/ Moderator
Jan 14, 2009, 3:52 PM
Post #2 of 6
(1580 views)
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Re: charging system
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If all fuses and all wiring is good, the only thing left is the voltage regulator. The only problem there is the regulator is built into the PCM (engine computer).
Being way2old is why I need help from younger minds
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drm
New User
Jan 15, 2009, 4:42 AM
Post #3 of 6
(1576 views)
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Re: charging system
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yes i realize the voltage reg is in the computor that is why if u read my post i put in a new computor a new battery and a new alternator.
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Loren Champlain Sr
Veteran
/ Moderator
Jan 15, 2009, 5:16 PM
Post #4 of 6
(1564 views)
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Re: charging system
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Are you getting 12V to the alternator? It's gotta have battery voltage to make it 'work'.
Loren
SW Washington
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autojoe
User
Jan 17, 2009, 7:25 AM
Post #5 of 6
(1557 views)
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Re: charging system
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the auto shut down relay(asd)supplies B+ to generator shoud be a dark green/orange wire.Make sure you have B+ at generator with ngine running.where are you measuring 11,84 volts?if you are getting 11.84 volts at battery+ then measure at generator output at generator.if good there bad wire from there to B+ or bad fusible link.If all is good then the wire from PCM to generator that controls the field(field driver in PCM)the wire may be bad.Would need labscope to scope signal on this wire but you could disconnect wiring from PCM and generator and do resistance to see if wire is good.also check all connections at generator.
(This post was edited by Jeff Norfolk on Jan 17, 2009, 7:55 AM)
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jj
User
Apr 21, 2009, 4:27 PM
Post #6 of 6
(1448 views)
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Re: charging system
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don't no if this well help but there was a charging fuse in the pdc i forgot which years
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