I need a wiring scamatic for my 72 javelin sst.its missing the alt and a few wirers have been cut i cant tell were things should hook up to what

If it starts but misses meaning it runs but not on all cylinders?.....then,
Are the spark plug wires in the correct firing order?
Are the spark plug wires in good shape?
Is there compression on all cylinders?
If a valve is bad it won't fire smoothly.
If you pull the plugs are any black with carbon?
(a black carbon coated plug will not fire,especially with a 6 volt system)
Is the distributor car attached fully and correctly?
When the distributor cap is off,is there any side play in the distributor shaft?
Is the point gap correct on the points?
Start the tractor cold and feel the spark plugs,the one or two that are colder than the others are the missing cylinders,if two are cold you could try switching those spark plug wires with each other,in case they are mixed up,and if two are missing are side by side you could have a head gasket leak between cylinder problem.
TIP 1, the BEST THING to do on a Ford 8N is to convert it to 12 volts neg ground.Add a alternator,(76 chev pickup alt fits good) leave the starter as it is (it does care if it's positive or neg ground or 12v) and add a 72 dodge ignition resistor in line to a 12 volt coil.(unless your new 12v coil does not need a resistor)
This set up will increase your fuel economy,add power and start instantly in any temp.
TIP 2,you can use unleaded fuel in a Ford 8n as it already has hardened valve seats.
BUT 10% Ethanol fuel is BAD,it can be used, but shut off the fuel at the tank and let the tractor carb run dry before shutting it off if you are not going to use the tractor with in a few days.

1999 Toyota Corolla Car Radio Stereo Audio Wiring Diagram
Car Radio Constant 12v+ Wire: Blue/Yellow
Car Radio Switched 12v+ Wire: Gray
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: Green
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Violet
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Blue
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Black
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Red
Right Rear Speaker Negative Wire (-): White

Replace the relay.

ITS PROBABLY YOUR COIL OR WIRERING OR YOUR VALVE HAVE SOME DUST OR THEY JUST NOT TIMED...

There are a few things to look at first take a good look at the distributor, there are connections to the module, one goes to coil and the other from wiring harness make sure all conections are connected, check the coil connection too, next is theres a few ground wires to thermostat housing, this is a main computer ground, most of the time its grounded to bolt on housing if not look around for it and make sure its grounded, these are the most common reasons, also all power wires connected on alt and at the starter, make sure no wires were pulled out by mistake.

ohm's law tells us your fuel gauge will not work properly if you hook up the tank senders in parallel and there is no way to hook them up in series. what you need is a transfer tube between the bottom of the tanks to equalize the levels in each tank. then your fuel gauge will tell you how full they both are.

at 13.4 volts the alternator is NOT charging it has to be 14.5-14.8 volts to be charging
next for the main problem
there are 2 ignition circuits attached to the ignition switch
the star position also allows power to the coil as it engages the starter
releasing it back to run engages the 2nd circuit that allows power to the coil through a resistor or resistor wire
if it stops after starting the problem is in that wire
with out starting it put the key in the run position and read the voltage at the + point of the coil
with no reading you have either a bad circuit or a bad ignition switch

All systems? or just a few? You can go to http://www.hmaservice.com/ and register your vehicle (by VIN). Afterward, you'll have access to the ETM (Electrical Troubleshooting Manual) and Shop Manuals as well as Service bulletins.

Hi
Try here ..


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Good Luck !

John.