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techtalk:ih:engctl02a [2020/03/09 03:03] – [Bench Testing an Ironhead Solenoid] ixl2relaxtechtalk: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 http://xlforum.net/forums/showthread.php?t=1525907)) \\+**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)) \\
  
-{{ :techtalk:ih:engctl:72-xlh-startersolenoid-operation.jpg?400|}} 
 **To test the pull-in coil**: **To test the pull-in coil**:
   - Insert a deep socket part way into solenoid.   - Insert a deep socket part way into solenoid.
-  - Connect battery -ve to the short stud of the 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 (thin/small) terminal of the solenoid.+  - 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.   - The socket should pull in. \\ Leave it pulled in to test the hold-in coil.
  
 **To test the hold-in coil**: **To test the hold-in coil**:
-  - Move the battery -ve jumper from the short stud to the solenoid case. +  - Move the battery -ve jumper from the large short stud to the solenoid case. 
-  - Apply +12 volts to the (thin/small) terminal and leave it connected. +  - 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 (thin/small) terminal. +  - 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 (thin/small) terminal. \\ The socket should slide easily back out of the solenoid.+  - Remove the +12 volts from the small terminal. \\ The socket should slide easily back out of the solenoid.
  
-**To load test the contact plate of the solenoid**: \\+**To load test the high-current contact plate of the solenoid**: \\
 A headlight bulb works well for this. A headlight bulb works well for this.
   - Jumper from batt +ve to to +ve of light.   - Jumper from batt +ve to to +ve of light.
-  - Jumper from long stud to -ve of light. +  - Jumper from large long stud to -ve of light. 
-  - Jumper from batt -ve to short stud.+  - Jumper from batt -ve to large short stud.
   - Manually push in the plunger. \\ The bulb should light up.   - 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 ]] **And here is the YouTube video**: [[https://www.youtube.com/watch?v=MjzcTye0ZS8|Bench Test Solenoid from IronHead Sportster ]]
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