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Wiring diagram for a 3208 caterpiller engine in a boat battery to starter, switch ,alternator,ect, gauges to sending units ect. new set up

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SOURCE: wireing 2 12volt batteries into boat via isolatorswitch

hi put your 2 batteries in parallel with an isolator switch on both negative wires and another switch on the negative wire that joins the 2 batteries this way you can run on either battery and charge that battery or with the isolator between the batteries switched on charge both at the same time if you carn't understand it send me an e mail at chrisdoughty@sky.com and i will draw it hope this helps merlin v 12

Posted on Aug 29, 2009

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Wire 253 holden boat motor starter alternator coil basic diagram


batter positive to one big terminal of the starter solenoid--large wire as in a car ( the other big terminal will have a wire from it going into the starter)
a wire from the start point of the ignition switch to the small terminal of the start solenoid .( This to energize the starter solenoid to start the engine.) a large wire ( 30 amp capacity ) from the positive terminal of the battery going to the BAT terminal of the alternator the plug in the back of the alternator will go to the battery light or ammeter.. wires from the start and run positions of the ignition switch to the coil. One to provide power when the starter is engaged and the other from the run position to provide power to keep the engine running
basic but it will work

Jan 25, 2015 | Holden Cars & Trucks

1 Answer

I have a 1982 dodge ram w150 318 4 speed when i turn the key i lose everything let me start from the beginning my truck started up then died then when I went to restart I heard a thunk then nothing last...


What happens when you turn the key to on? Do the warning lights and gauges come on? Turning the key to start, do the lights and gauges stay on? Just nothing at the starter?

Or does power just shut off when you turn the key to start, everything goes out, no warning lights or gauges? Then check cables, battery terminals, grounds for clean tight connections. There is a problem between the battery and the ignition switch.

If the switch still receives and sends power out (to the dash, for one) but start circuit is not working (from battery to ignition switch to clutch switch to starter relay to starter solenoid to starter to ground-and back to battery), then here's where we at: with key off, use a small screwdriver and short the big cable at starter to the starter solenoid small wire connection, or use a small jumper wire to do the same-battery cable at starter to the small wire connection on the starter solenoid. Starter motor should spin and crank engine. Does it? If so, start checking the start wire out of ignition switch for power when key is held in start. If you have a clutch switch, check for power in with key in start. Should have battery voltage to the clutch switch with key held in start. Keep checking the start wire along the start circuit. Not sure how the start relay is wired into the circuit, would have to see a diagram, but if you pull the relay out and use a test light or multi meter, could check for power on the terminals where relay plugs in. Key off, should have one terminal that is hot. With key held in start, at least one other terminal should also be hot. This would be the start wire out of ignition switch sending a signal to the relay.
Good luck, hope you find it. Sorry I don't have a wiring diagram to help you more.

Aug 30, 2013 | 2000 Dodge Caravan

1 Answer

Fuel gauge reads full when half empty also ignition switch sometimes does not work


Hi Anonymous, you could have a faulty sending unit or guage, there could be a problem with your wiring. On models with the fuel gauge posing as a left hand fuel cap the gauge is a press fit do not try to unscrew it, simply ample force lift up in a rocking motion to remove gauge. Disconnect wires to the gauge and with a set of positive and negative jumpers from the battery connect the positive jumper and flash the negative, gauge should peg full, if not replace gauge. With a test light check for power to the sending unit, then remove the sending unit and manually operate the float arm slowly with the correct wiring hooked up to the fuel gauge and sending unit and the ignition on, the gauge should respond accordingly if not replace the float arm assembly. For a free wiring diagram please visit the website below and good luck.
Harley Davidson Wiring Diagrams and Schematics

Aug 04, 2013 | 2005 Harley Davidson FLSTC - FLSTCI...

1 Answer

I have a old tow motor w/ a wisconsin air cooled engine . I'm looking to change the 6 volt system to 12 volt system. looking for a basic 12 volt wiring diagram for GM alt. and wisconsin parts?


to change the points to electronic you will need to get the manufacturer of the distributor and contact them for a compatible electronic kit to replace the points or replacement distributor
to fit an alternator , get one with an internal voltage regulator ( talk with an auto electrician for the best unit --it is not necessary to go big amperage units so one about 35-60 amps will suffice and cheaper as well)
wiring will be the same as will fuses (neither volt sensitive)
gauges will have to be changed to 12 volt units
bulbs changed from 6 volt to 12 bulbs and switches will be the same as they are no volt sensitive
basically the same circuit can be used and the only place to be careful is the alternator wire to the battery and the charge light or volt gauge ( auto electrician can advise here )
starter motor will have to be changed to 12 volts and you will again have to get the replacement unit from an auto electrician as the bendix pitch , movement and mounting neck will be critical
wisconsin did not make electrical components but used off the shelf companies such as delco remy, lucas , bosch, ac etc for the accessories to the engine
it is an interesting project so collect as much information from auto electricians and web sites to help you

Jun 06, 2017 | Cars & Trucks

1 Answer

Changing from Pos ground generating system to Neg ground 1 wire alternator system. need wiring diagram. At present the minute the key is turned the engine starts tuning over. wiring had been...


It would seem best to just remove all of the original low voltage wiring completely. You won't need the 'cutout' device any more as the diodes in the alternator will replace that function. Does the ignition switch have a 'start' position? If not, then suggest finding a normally-open push button switch for a start button. Is the ignition system a points/coil/capacitor unit or a magneto. If a magneto, it needs to be grounded with a kill switch. If the points/coil system, then the key should apply power to the coil connection through a doubled resistor when running. You will also need a 12 volt battery of course. Change the starter solenoid to a 12 volt unit. The starter will draw about double the current used at 6 volts, but will likely survive if you don't 'grind' the engine. Depending on the tractor, there may be a 12 volt starter available that will fit. If you have an ammeter, it should be in series with the battery connection at the starter solenoid and the ignition, lights, and any other light loads (never in series with the large starter cable). That should cover most of your concerns, but understanding what I have written may be a concern. I don't have a wiring diagram specifically, so I hope this helps!

Sep 11, 2010 | Garden

2 Answers

The tempertature gauge does not work on my jeep what may be the problem?


Could be the coolant temp sensor:


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4.0L engine shown




7a3db5f.gif
5.2L engine shown



To test it:

Perform this test on a cold or cool engine.
  1. Disconnect the negative (-) battery cable.
  2. Unplug the electrical wiring from the sending unit.
  3. Using an ohmmeter, measure the resistance between the terminal and the sending unit's metal body
    1. Infinite resistance or zero resistance: the sending unit is bad, replace the sender with a new one.
    2. Other than infinite or zero resistance: continue test.
  4. Remove the temperature sender from the engine.
  5. Position the sending unit so the metal shaft (opposite end from the electrical connectors) is in a pot of water. Make sure that the electrical connector is not submerged and only the tip of the sending unit's body is in the water.
  6. Heat the pot of water at a medium rate. While the water is warming, continue to measure the resistance of the terminal and the metal body of the sending unit:
    1. As the water warms up, the resistance goes down in a steady manner: the sending unit is good.
    2. As the water warms up, the resistance does not change or changes in erratic jumps: the sender is bad, replace it with a new one.
  7. Install the good or new sending unit into the engine, then connect the negative battery cable.
  1. With the engine cold, remove the ECT sensor.
  2. Immerse the tip of the sensor in container of water.
  3. Connect a digital ohmmeter to the two terminals of the sensor.
  4. Using a calibrated thermometer, compare the resistance of the sensor to the temperature of the water. Refer to the sensor resistance illustration.
  5. Repeat the test at two other temperature points, heating or cooling the water as necessary.
  6. If the sensor does not meet specification, it must be replaced.

75c7153.gif
Submerge the end of the temperature sensor in cold or hot water and check resistance


082c068.gif
Temperature-to-resistance relationship of the ECT and MAT sensors

Apr 28, 2010 | 1995 Jeep Grand Cherokee

1 Answer

Trying to find out where the temperature sensor is located or maybe its called a switch temperature sensor. I replaced the thermostat and I was told this need to be replaced too


You would only need to replace this if your temperature gauge is not working properly. Just because the thermostat was replaced does not mean the sensor must be too.

There were three different engines offered for that vehicle and there is a separate temp sending unit for the gauge than there is for the computer(PCM). The V6 4.0 SOHC ECT for the PCM and the sending unit for the gauge are both located side by side on top of the thermostat housing. The V6 4.0 EI engine ECT is located on the front of the engine, left of the throttle body, and the sending unit is located in the front of the engine, behind the alternator bracket. The V8 5.0 ECT is located in the front of the engine, below the middle of the ignition coils and the sending unit is in the same area, but toward the driver's side of the engine below the left ignition coil.

It will look similar to this...

5a029f4.jpg

Nov 14, 2009 | 1993 Ford Explorer Limited

1 Answer

Wireing 2 12volt batteries into boat via isolatorswitch


hi put your 2 batteries in parallel with an isolator switch on both negative wires and another switch on the negative wire that joins the 2 batteries this way you can run on either battery and charge that battery or with the isolator between the batteries switched on charge both at the same time if you carn't understand it send me an e mail at chrisdoughty@sky.com and i will draw it hope this helps merlin v 12

Jul 26, 2009 | Boating

1 Answer

Dodge 318 wiring diagrams


Why not eBay? you may be able to find a "lightly" used harness from an appropriate dodge or Chrysler product that uses your engines?
Try for a Repair manual or electrical repair segment for an appropriate Chrysler product with your engine.
http://www.manualslib.com/

May 01, 2009 | 1980 Chrysler Cordoba

2 Answers

Heating System


The Engine Coolant Temperature (ECT) sensor is mounted in the intake manifold and sends engine temperature information to the ECM. The ECM supplies 5 volts to the coolant temperature sensor circuit. The sensor is a thermistor which changes internal resistance as temperature changes. When the sensor is cold (internal resistance high), the ECM monitors a high signal voltage which it interprets as a cold engine. As the sensor warms (internal resistance low), the ECM monitors a low signal voltage which it interprets as warm engine.
0900c1528008f125.jpgFig. 1: View of the Engine Coolant Temperature (ECT) sensor 0900c1528008f126.jpgFig. 2: Engine Coolant Temperature (ECT) sensor locationTESTING
See Figures 3 and 4
  1. Remove the ECT sensor from the vehicle.
  2. Immerse the tip of the sensor in container of water.
  3. Connect a digital ohmmeter to the two terminals of the sensor.
  4. Using a calibrated thermometer, compare the resistance of the sensor to the temperature of the water. Refer to the engine coolant sensor temperature vs. resistance illustration.
  5. Repeat the test at two other temperature points, heating or cooling the water as necessary.
  6. If the sensor does not meet specification, it must be replaced.
0900c1528008f120.jpgFig. 3: Intake Air Temperature (IAT) and Engine Coolant Temperature (ECT) sensor wiring diagram 0900c1528008f095.jpgFig. 4: ECT sensor temperature vs. resistance values

Oct 01, 2008 | 1993 GMC Sierra

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