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I have a john deere stx38 it will not fire put new coil and spark plug still no spark cranks good and magnets are clean what could it be

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  • 16 Answers

Did you set the gap between the magnets correctly. if not you may not be getting the voltage you need to create spark.

Posted on Jul 20, 2013

  • joseph profitt Jul 20, 2013

    Yup used a dollar bill for spacing

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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rwvanlue
  • 486 Answers

SOURCE: I have a John deere 317 tractor that does not start.

We will be testing for voltage to the points, coil, engine to tractor wiring harness, ignition switch

Tools needed:
volt meter to read 12 volts, or test light

1) with the points open: is there voltage at the connection wire at the points
If yes; adjust points to .020" and try to crank engine and check for spark
*** you may want to determine if condensor is connected to this wire also
if no
2) check point side (neg or - ) of coil for voltage
if yes, engine should start
if no
3) check for voltage at the + side of coil
If yes, coil is bad
if no
4) check wire connector from engine to frame wiring harness
if yes; engine should start

if no
5) check wiring on the back of ignition switch
if yes; engine should start

if no
6) check that ignition switch RED or BATTERY supply wire has voltage
if yes; switch is bad

if no
7) check supply wire and circuit breaker connected to the battery side of the solenoid
if yes; engine should start

if no; circuit breaker could be at fault or wire connector at battery supply

Posted on Nov 08, 2009

  • 21 Answers

SOURCE: john deere stx38 wont move transmission locked up?

Engine OFF, raise drive wheels and check if transmission is locked

Posted on Jul 14, 2009

wireguy212
  • 1627 Answers

SOURCE: john deere 425 mower won't start

The ignition switch module is likely to be the problem,they seem to quit for no good reason.The safety relays and fuses are built into the board that comes with the switch and will most likely fix your problem.

Posted on Apr 25, 2010

  • 13 Answers

SOURCE: john deere lane rider la135 wont start.

You don't mention if they are on and are bright or are week. Do they dim when trying to cranks the motor? I would start with checking the ground wire at the battery and where it connects to the frame. Make sure both are clean. From there, have the battery tested and then the starter.

Posted on Jun 10, 2010

  • 10 Answers

SOURCE: Have John Deere 165 riding mower. Strong crank,

Has it been outside? May be water in the fuel.

Posted on Jul 25, 2010

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