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Warren Schuenemann Posted on Mar 14, 2013
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Have 1985 w150 pick up that's not charging, replaced battery,voltage regulator,an alternator, an still not charging

1 Answer

ken hane

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  • Dodge Master 450 Answers
  • Posted on Mar 14, 2013
ken hane
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Joined: Sep 28, 2012
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1985 WOW ! does it run at all ? if it does , check battery voltage, should be between 12---14 volts, check alternator also, a parts store can do this for you ! is your regulator outside your alternator ? cause most new alternators have them inside the alternator ! just thinking out loud, but stranger things have happened ! are these new parts the correct ones for your make & model ? battery terminals clean, tight ! make sure all GROUNDS are good ! very important ! what condition are your battery cables ? is your BELT good, tight, not slipping !!! sure your starter & solonoid OK ! not shorting out, from dirt, grease, oil, etc., all fuses OK! I think we covered it, take your time, go over what I mentioned, see it you find the problem, good luck !

5 Related Answers

J F

  • 155 Answers
  • Posted on Jul 02, 2009

SOURCE: Fusible link wire gets really hot.

Removing the two smaller wires stops the exciter current to the alt which stops it charging.
Usually if a wire is getting hot its because:
A: Current overload..
B: Corrosion in wire restricting current.
C: Corroded terminal.

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Curt Downs

  • 1779 Answers
  • Posted on Dec 18, 2008

SOURCE: Location of the Voltage Regulator

The source I checked says it's located under the hood, driver side, rear engine area on firewall (V-8 engines) Let me know how u make out.

Anonymous

  • 1 Answer
  • Posted on Mar 30, 2009

SOURCE: over charge of battery in a 1986 dodge ramcharger

had same problem it was fuseable links by battery old and brittle

Anonymous

  • 155 Answers
  • Posted on Jun 08, 2009

SOURCE: battery will not stay charged

Check the battery strength and then double check your alternator to make sure it's charging.. I installed 3 alternators, new off the shelf, on one vehicle, and all three were duds (4th one worked fine). If the battery does not need replacing, and the alternator is charging, double check and make sure no components are left on such as a light in the glove box.

Anonymous

  • 1 Answer
  • Posted on Jul 07, 2009

SOURCE: trying to locate voltage regulator as bateery won't stay charged

Give this a shot
cab442f.jpg

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Related Questions:

0helpful
1answer

Battery good, alternator good, starter good but my 1966 oldsmobile the alternator isn't charging the battery

Have you replaced the voltage regulator?
Unless you have changed the charging system and eliminated it, the alternator does not have a built-in voltage regulator like the newer ones do.
Be blessed.
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My daughter 2004 Kia won't hold a battery charge.

voltage regulator. it may be in the alternator, or remote mounted. ((the alternator can be charging, but if voltage regulator is'nt working then it won't allow voltage to get back to the battery to keep it charged
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I changed the battery yesterday and started the truck twice. The 3rd time there was no juice to turn it over. Regulator or alternator?

usually regulator. Charge battery for a few hours. Start engine and see if the voltage is 14 1/2 approx. That would mean system is charging and it's a bad battery
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Bought a new alt. for a 1990 w150 p/u. gauge showes its not charging. need to know where regulator is located and pic. of what it looks like.

The engine computer is also the voltage regulator.

I copied the following from another site. It might be something you should look at.

"The voltage regulator is built-in to the ECM...about a $275 part! However, before you jump to conclusions about the voltage regulator being defective, I'd highly recommend that you go visit the autozone website and follow the "Check charging system" word for word. I discovered that the alternator in my 1990 Dodge van wasn't grounding? How could that be? It's bolted to a metal bracket, right? Could be corrosion, could be rust? I even installed a second ground strap from engine to body. Nothing worked until I ran a ground wire from the battery to the alternator case. Charged just great then! Of course I discovered this after first replacing the alternator and the ECM! Don't you make the same (expensive) mistake."


Read more: http://wiki.answers.com/Q/Where_is_the_voltage_regulator_in_a_1990_Dodge_Ram_250#ixzz1HABX5yJ7
0helpful
1answer

I am trying to locate the alternator and voltage regulator in my 1985 jaguar xj6 there was an electrical problem and some on the wires melted down in the dash board we replacedd the wires and got a new...

FOLLOW ALTERNATOR WIRES AND BATTERY POSITIVE FEED WIRE.IT WILL TAKE YOU TO THE VOLTAGE REGULATOR BOX.CHECK ALTERNATOR FUSE.IF YOU HAD WIRES TO BURN AND MELT.MORE LIKELY YOU HAVE A BLOWED FUSE.
0helpful
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My 1987 dodge dakota is not holding a charge, altonator tested and good battery only a year old but have to push start it to get it to run and my lights are really dim

You need to bypass voltage regulator to be certain alternator is charging properly. When you full field alternator it eliminates voltage regulator. If it indeed is good it will overcharge. If it overcharges as it should when you bypass/full field alternator then the regulator, or its connection or the place it attaches to is rusty & wont conduct a ground.
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1982 Dodge W150 truck (6 cyl.)wiring problem

I do not know about that,but make sure the large wire on the alternator is going to the positive cable on the battery.
1helpful
1answer

Battery will not stay charged

Check the battery strength and then double check your alternator to make sure it's charging.. I installed 3 alternators, new off the shelf, on one vehicle, and all three were duds (4th one worked fine). If the battery does not need replacing, and the alternator is charging, double check and make sure no components are left on such as a light in the glove box.
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