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techtalk:ih:engctl02a [2019/06/23 01:45]
hippysmack created
techtalk:ih:engctl02a [2023/12/31 18:20] (current)
hippysmack
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 ====== Bench Testing an Ironhead Solenoid ​ ====== ====== Bench Testing an Ironhead Solenoid ​ ======
-{{:​techtalk:​ih:​engctl:​solenoid_test_by_ironmick.jpg?​direct&​300|}} ((photo by IronMick of the XLFORUM ​http://​xlforum.net/​forums/showthread.php?​t=1525907))+{{:​techtalk:​ih:​engctl:​solenoid_test_by_ironmick.jpg?​direct&​300|}} ((photo by IronMick of the XLFORUM ​https://www.xlforum.net/​forum/sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​140741-how-to-bench-test-a-solenoid-pic-vid?​t=1525907))
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 +**Three tests to bench test the solenoid, text and video** ... ((IronMick of the XLFORUM https://​www.xlforum.net/​forum/​sportster-motorcycle-forum/​sportster-motorcycle-era-specific-and-model-specific/​ironhead-sportster-motorcycle-talk-1957-1985/​140741-how-to-bench-test-a-solenoid-pic-vid?​t=1525907)) \\
  
 +**To test the pull-in coil**:
 +  - Insert a deep socket part way into solenoid.
 +  - Connect battery -ve to the large short stud of the solenoid (normal output to starter motor).
 +  - Momentarily apply +12 volt jumper wire to the small terminal of the solenoid (normally from the starter relay).
 +  - The socket should pull in. \\ Leave it pulled in to test the hold-in coil.
  
 +**To test the hold-in coil**:
 +  - Move the battery -ve jumper from the large short stud to the solenoid case.
 +  - Apply +12 volts to the small terminal and leave it connected.
 +  - Try to pull the socket out of the solenoid. \\ The hold-in coil should resist your effort to pull the socket out while +12 volts is applied to the small terminal.
 +  - Remove the +12 volts from the small terminal. \\ The socket should slide easily back out of the solenoid.
 +
 +**To load test the high-current contact plate of the solenoid**: \\
 +A headlight bulb works well for this.
 +  - Jumper from batt +ve to to +ve of light.
 +  - Jumper from large long stud to -ve of light.
 +  - Jumper from batt -ve to large short stud.
 +  - Manually push in the plunger. \\ The bulb should light up.
 +
 +**And here is the YouTube video**: [[https://​www.youtube.com/​watch?​v=MjzcTye0ZS8|Bench Test Solenoid from IronHead Sportster ]]
  
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