Question about 1983 Toyota Pickup

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Will not charge. changed voltage regulator an alternator. what now? 4 wires out of altenator an 6 out of regulator. where do i find a diagram that tells where they go? have a book an the wiring is different. Mine is a 4 wheel drive with the 22r. The brake an charge light in the dash stay on. thinking maybe a short in the dash but need a diagram. anybody had a problem like this? Was wondering if someone made a altanater with a internal regulater that a guy could wire in some how?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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jetwash
  • 43 Answers

SOURCE: voltage regulator

Voltage regulator is built-in to the alternator assembly.

Have you tried replacing the battery?
A battery with a shorted cell will not charge properly and may even damage an alternator or regulator.

Note1: use a digital voltmeter (about $25 at Lowe's or Radio Shack) and check voltage across batt terminals while engine running. If more than 12.6 Volts DC and more typically about 13 Volts, then the alternator is working.

Note2: from Jan 98 to May 98 shows a different part # alternator than June - Dec 98
check the manufacture date on your driver door edge.

Posted on Oct 25, 2008

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ButtFuzz
  • 463 Answers

SOURCE: i need a wiring diagram for fog lights oem to my toyota

The link below is a Typical fog lamp / driving lamp hookup. Keep in mind that in most states, for these lamps to be 'legal' (and thus pass inspection), you must wire them such that:

1. You can cut them off (in other words, there must be a switch installed to turn them off)

and

2. They may only be operated with the low beams. (therefore, you must power your on/off switch from the low beam circuit)

http://www.accessconnect.com/fog_driving_lights_wiring.htm

Posted on Feb 28, 2009

  • 161 Answers

SOURCE: Wiring for Toyota 4 Runner Alternator Fuse

it should be in the underhood fusebox on the right.

Posted on Jun 11, 2009

  • 30 Answers

SOURCE: wiring diagram for body mount voltage regulator

http://www.ncttora.com/fsm/1993/index.html

Posted on Aug 08, 2009

jturcotte
  • 8531 Answers

SOURCE: 2001 gmc sierra 1500. Battery light in msg center

The regulator is in the alternator. Did you check voltage at the battery? Nothing in the diagram jumps out at me. Is the check engine light on? Maybe we could get a hint if there was a trouble code.bc11b1d.gif

Posted on Sep 26, 2010

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Why do i lose voltage intermittently from the alternator when i step on the brake ?


what engine size?
the PCM runs the show, and its bad. or wires bad to it.
your car has PCM regulator.
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1: takes a good battery and battery cables and lugs cleaned.
2: test the altenator, odd how 4 of yours all tested good but you replaced it 4 times, get it tested if good, its good.
3: then check that the charge .battery lamp works. if the lamp works
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The voltage regulator is inside the alternator.
So if the alternator is good as you say, the regulator is too.
I suggested you check the wiring on the car.

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The Voltage Regulator is built into the ECM on virtually every Chrysler product (including Jeeps) after 1987 or so. And it is prone to failure. If it does fail, you either have to replace the ECM or install an External Chrysler Voltage Regulator, which requires some wiring harness modifications and a few parts that can be purchased at your favorite auto parts store.
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My battery to my 84 chevy caprice is not charging. i got a new batery and altenator but it still wont charge.i have to jump it off to get it to start. i dont even know where the voltage regulator is...


the voltage regulator is built into the alternator,have you check the alternator connector for damage or corrosion check with a test light for voltage at the red wire that plugs into the alternator that is in the 2 wire plug connector as well as check the large red wire for voltage as this wire is the feed wire from the battery.you don`t say if this is a new or used alternator.if you have a voltmeter that is the best way to check for the proper amount of voltage at the test sites.the battery must have a minimum of 12.6 volts to start with higher is better.to test the voltage regulator need the engine running and you need a voltmeter to tell properly if it is working.at the back of the alternator their is a hole that looks like the letter D this is where you use something like a cotterpin and insert it into the hole you should feel a tab,push lightly on the tab and ground the cotterpin to the side of the alternator using the voltmeter you should see the voltage start to rise and hear it start to charge.the battery voltage and the feed wire at the alternator as well as the smaller red wire at the plug connector should be the same.charging voltage should be about 14.5 volts.

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84 toyota. altenator not charging


The diagram shows a capacitor between the regulator red wire and ground on some models. If your truck has that cap, you may want to check it or replace it. I don't see anything else on the diagram that could cause this behavior, unless there is a bad connection somewhere. If that red wire powers the field winding, a bad cap could be pulling down the voltage.

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Could be a eloctronics fault! Have a reputable autolect.shop do a diagnostics check, alternativ solution fit a Bosch replacement alternator.
Regards
Phillip

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CHARGING SYSTEM


well for starters your altenator is bad because what it is dolinging is over charging the battery hence why it boiled off the water/acid in the battery. the regulater is intergrated into the altenator. there is not a short because numberone your car would not start and two your battery would explode. i never test a battery or altenator at a store like napa or Oreilly's because they are not mechanics ......they are parts guys. your altenator should charge the battery at no more than 14 volts and the average is 13.5 volts. you need to replace the altenator the reason why you are losing a charge is be cause as the car is running the battery is being discharged because the regulator is defective in the altenator. please rate this thanks

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