Question about Ford F-450

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Generator®ulator ck out fine,does not charge battery-charge lite stays on It is on a 1978 Ford 4500 back hoe tractor 3cyl diesel Thanks Bob.

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POSSBILE CAUSE TO YOUR PROBLEM COULD BE WORN OR CORRODED BATTERY CABLES OR BATTERY FEED WIRE TO ALTERNATOR AND VOLTAGE REGULATOR WIRES COULD BE FRAYED OR BROKEN.MAKE SURE DRIVE BELT NOT SLIPPING OR YOU COULD HAVE BLOWN FUSE LINK.

Posted on Mar 14, 2011

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641 Ford Tractor late 50 vintage won't charge the battery. Rebuilt the generator it's putting out the right voltage. new battery. Put in 4 different voltage regulators none will charge the battery.


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amps reading on the truck amp meter is the current that is being generated to run everything as well as charge a battery that will be at best around 80% charged.bench testing an alternator gives these readings as the regulator is feeding into fully charged batteries with no draw on the system. When batteries are 100% charged the charge rate will be as low as 2 amps but in a car where there is a current draw for the ECM , ignition , fuel pump and what ever the alternator feeds these first before it charges a battery. You used a amp meter to get a voltage reading which is reading the voltage drop across the current draw. If you had used a voltmeter (multimeter) then you would see a voltage increase with the rpm increase. The

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P1632 & P1246


P1246 Description The PCM monitors generator load from the generator/regulator in the form of frequency. The frequency range is determined by the temperature of the voltage regulator, where 97% indicates full load, and below 6% indicates no load. Possible solution
  • Verify the battery voltage is 14.5 volts.
  • Verify the generator/regulator has the correct part number.
  • P1632
    The car has Ford's smart charge system. The battery charge is controlled by the computer in the car.
    Has the car got the right type of battery fitted? It cannot be fitted with the ordinary type, must be silver calcium. It cannot be charged on the car with an ordinary battery charger and you cannot use jump leads or booster pack - well you can but....
    You will need to take it to Ford to reset the system.
    There have been problems with the plug, which has 3 small wires, breaking at the alternator.
    Also, there is a temperature sensor for the battery and this may be faulty.

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    I would check and clean any wire and connection between the alt and the battery and all grounds. Also check and see if charging voltage is the same at the battery post as it is at the lug on the alt.

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    Can I use a 8 volt battery on a 6 volt tractor or will it trip the voltage regulator and blcck the generator?


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    Ive got a hydrogen generator that needs to pull 30 - 35 amps from the battery through the alternator. during idle of the engine the system is only pulling 22 amps although it can and wants more. Does...


    Hi,
    The size of the wire going from the + side of your battery will influence the amount of amps available to the generator.
    Amount of amperage produced by the alternator is affected by engine RPM. The regulator senses battery condition and battery draw and controls charging up to the rated amps on the alternator.
    The peak amount of charge the alternator can deliver will be at be off idle and up till the regulator senses max out put of alternator then holds it there.
    You should be able to draw all 35 amps from a good battery with the right size wires with the vehicle off.
    Some generators use Pulse width Modulators to help control the amps.
    I am no expert on Hydrogen Generators so you are way ahead of the game than me. I do keep my ears to the tracks on them.
    My best wishes to you on your adventure.
    Wayne

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    The ck guage lite comes on..battery needle pinned to 18, truch hesitates, then is fine. also, radio cutt out and ck guage, break lite come on truck will die. Cant use my radio now. fuses have all been...


    you need to go to a parts store and have the alternator and voltage regulator checked. If th regulator is bad it will fry the alternator and in turn the alternator will fry the battery. Also, the alternator will send inappropriate amounts of juice to the coilpacks which will cause your problems.

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    New batteries and alt. still no charge.


    Generator with Integral Rear Mount Voltage Regulator, Internal Fan Type With the key in the RUN position, voltage is applied through the charge indicator lamp I circuit to the voltage regulator. This turns the voltage regulator on, allowing current to flow from the battery sense A circuit to the generator field coil. When the engine (6007) is started, the generator (GEN) (10346) begins to generate alternating (AC) current which is converted to direct (DC) current by the rectifier internal to the generator. This current is then supplied to the vehicle's electrical system through the battery positive voltage (B+) terminal located on the rear of the generator. Once the generator begins generating current, a voltage signal is taken from the stator and fed back to the voltage regulator S circuit, turning off the charge indicator/lamp. With the system functioning normally, the generator output current is determined by the voltage at the A circuit. This voltage is compared to a set voltage internal to the voltage regulator, and the voltage regulator controls the generator field current to maintain proper generator output. The set voltage will vary with temperature and is typically higher in the winter than in the summer, allowing for better battery recharge. With the system functioning normally, the generator output current is determined by the voltage of the A circuit (battery sense voltage). The A circuit voltage is compared to a set voltage internal to the voltage regulator, which controls the generator field current to maintain proper output. The set voltage will vary with temperature and is typically higher in the winter than in the summer, allowing for better battery recharge in the winter and reducing the chance of overcharging the battery in the summer. A fuse link is included in the charging system wiring on all vehicles. The fuse link is used to prevent damage to the wiring harness and generator if the wiring harness should become grounded, or if a booster battery with the wrong polarity is connected to the charging system. Mitsubishi 215-Ampere Generator
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    VISUAL INSPECTION CHART Mechanical Electrical
    • Before attempting to test a battery, it is important to give it a thorough examination to determine if it has been damaged.
    • Batteries are tested to determine the state of charge and ability to crank an engine. The result of these tests is to show that the battery is either good, needs recharging, or must be replaced.
    • Preliminary checks to the charging system should be made regardless of the fault condition. These checks include:
      • Check the fuses/fuse links to the generator to ensure that they are not burned or damaged. This condition, resulting in an open circuit or high resistance, can cause erratic or intermittent charging system concerns.
      • Check battery posts and cable terminals for clean and tight connections. Clean the posts and the cables to ensure good electrical contact.
      • Check for secure connections at the generator output, voltage regulator and engine ground. Also check the connection at the power distribution point.
      • Check the generator drive belt to ensure proper tension and no slip between the generator pulley and the drive belt. Refer to Section 03-05 in the Powertrain, Drivetrain Manual.
      • Check battery for full charge.
    • Before performing charging system tests on the vehicle, note conditions such as: slow cranking, discharged battery, charge indicator lamp stays on with engine running, charge indicator lamp does not illuminate with ignition switch in RUN and engine not running, etc. This information will aid in isolating the part of the system causing the symptom.
    • When a relatively new battery is discharged, test for current drain. The following are some of the most common current drain concerns:
      • Glove compartment lamp stays on with the door closed.
      • Engine compartment lamp stays on constantly.
      • License plate lamp or interior lamp stays on constantly.
      • Other electronic component concerns.

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    Your alternator should be putting out 13 to 14 volts when all your lights are on and radio and so forth. If it is only putting out 11.9 peak your alternator is putting out less then a fully charged battery. The alternator is shot or regulator.

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    sorry, probably not. the charging specs need to be checked. with accessories on, ck volts and amps. should be 13.8 minimum volts and around 2-8 amps or so. the only other thing i can think of if it is charging is to ck single thin wire behind alternator for good connection. i believe that is the reading for the dash lite.

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