Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
techtalk:ih:engctl02a [2019/06/23 01:54]
hippysmack [Bench Testing an Ironhead Solenoid]
techtalk:ih:engctl02a [2020/03/09 09:11] (current)
ixl2relax [Bench Testing an Ironhead Solenoid]
Line 10: Line 10:
 **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 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 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 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 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.