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My farmall H will not turn over at all. Battery is good. 6volt. Manual push button start. New starter . Nothing Help please.

New starter switch. New battery. New starter. Im thinking bad ground. No meter to test with.

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Haven't work on one these but following is what I use for finding bad grounds even though I got several meters.

You can rig up test light using some wire and a 6 v lamp bulb. It won't give an exact voltage readings but a brightly lit lamp indicates at the present of the voltage.

For testing for bad grounds use the main battery ground connection and probe the ground connections around the starter while trying to start. The test light will make it safer as you are just looking for a lit lamp will trying to start; just place the lamp where you can see it from the starting position. The test light will light if there is a bad connection between the starter's ground and the battery ground.

The same setup can be uses to probe to see if voltage is even reaching the starter through the switch and solenoid connections. If the starter solenoid is separate from the starter it can have a bad ground too and will not operate.

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

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Brian032472
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SOURCE: 1999 Ford Taurus Wont Start

Tapping the starter does not always work. I would check all the connections on the battery and starter. If these are good replace the starter. Don't forget the grounds.

Posted on Nov 03, 2008

johncaman
  • 201 Answers

SOURCE: 1991 Nissan 240SX starter will not turn!

If you've applied 12VDC to the solenoid and it does nothing, not even click, then the solenoid is toast!

Posted on Mar 22, 2009

  • 1 Answer

SOURCE: Turn key to start - nothing happens

I had same problem w/ my '88 Ram50. Turned out to be bad contacts on the battery cables. Temp fix and test was to put a little screw between the post and the end connector. Didn't have a problem then, so I replaced the cables.

Posted on Apr 02, 2009

messstat
  • 365 Answers

SOURCE: 1996 Dodge Ram won't start

run another test on the starter...they are about 20/80 bad/good right out of the box!

Posted on Jun 14, 2009

  • 288 Answers

SOURCE: how do I test to see if my ignition test good?

start at the coil with dvom or test light to see if there is power to the coil when you turn the key on and the power should be there during cranking the best way is the dvom when you check battery voltage with digital volt meter at the battery record that amount then check the red wire at the coil should be 0.50 volts within battery recorded voltage if its allot less check voltage at ign switch should read real close to battery voltage this is called battery voltage drop testing if you google voltage drop testing it will exsplain further. i hope this helps Thunderboltz.

Posted on Jan 13, 2010

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When you turn the ignition key to start your car, voltage from the battery flows through the ignition switch to the Park/Neutral safety switch and/or brake pedal or clutch pedal safety switch (you have to push the pedal down before the circuit will complete) to the starter relay or solenoid. When the relay or solenoid is energized by voltage from the ignition switch circuit, it closes a contact that routes more power from the battery directly to the starter to crank the engine. The starter motor spins, pushes the starter drive gear to engage the flywheel and cranks the engine.

If the engine fails to crank, there is a fault in one of the components in the battery/ignition/starter circuit.

Ten Reasons why you car won't start..
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  3. Bad starter relay wiring connections or ground connection (Inspect, clean, tighten wiring connections).
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  8. Open P/N safety switch, or open Brake Pedal Safety Switch (automatic transmission) or open Clutch Pedal Switch (manual transmission). Bypass switch with jumper wire to see if engine cranks, or use test light or voltmeter to check for voltage passing through switch when ignition is turned to start.
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  10. Engine hydrolocked due to coolant leak from leaky head gasket (Use socket and wrench to see if engine rotates, remove spark plugs and see if coolant comes out or engine can not be cranked with plugs out).

Hope it helps identify and solve the problem

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7 Answers

Car will not turn over


Hi,

If I understand you right, the problem is the engine will not crank, that is turn over when you turn they ignition key to START. Having said that, might it be that the issue is with the starter system. The starter system is initiated at the ignition switch when the key is turned to start. At this point, the ignition switch then provides +12VDC to a starter relay (if the vehicle has got one) or direct to the starting solenoid. The relay is but a remote switch with slightly higher amperage capacity. The starter relay then engages and supplies +12VDC to the staring solenoid. The starting solenoid then performs two (2) functions. It provides the switching action (hundreds amps) from the battery heavy cable to the actual starter motor. The solenoid likewise pushes a small pinion gear along the shaft of the starter motor to engage the ring gear. The ring gear is of course on the edge of the flywheel which in turn is attached to the crankshaft.

Starter system problems could be corrected by:
1. check battery, battery cables and connections;
2. charge the battery if required;
3. clean brushes and guides of brush holders of the starter motor;
4. clean the commutator and commutator segments;
5. check/replace the armature or field coils if determined to be defective;
6. in some extreme cases it could be the drive pinion or the flywheel gear ring is defective.
7. often it is the big switch that the solenoid activates that looses contacts causing no +12V internally to the motor.
8. Most likely would be a defective starter relay or the IGN switch itself. Relative to this, you might try and check the connectors/terminals and electrical joints.

In the picture below, the upper portion is the starter solenoid while the one below it is the actual starter.
c9b6a69.jpg
Given the amount of work to overhaul a starter, you might consider just replacing it.

So recommended course of action is determine if there is +12VDC at the starter solenoid when IGN switch is turned to START.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

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