1977 115 rude. spark on # 2 only??

tashasdaddy

Honorary Moderator Emeritus
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Nov 11, 2005
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51,019
looked at this motor for a possible purchase. all 4 coils tested good. buy connecting to #2 power pack terminal. 1,3,4 all dead. compression, 115-120. did not have further test equip with me.

stator is obviously producing power, to get spark on #2, but am i dealing with a power pack, or pick up assembly.
 

crb478

Lieutenant Junior Grade
Joined
Dec 6, 2006
Messages
1,036
Re: 1977 115 rude. spark on # 2 only??

In my opinion the powerpack would be the most likely culpret, but check the resistance from the brown wire to the brown/yellow wire it should be 400-600 ohms Also check the trigger resistance at sensor #1 To #3 and Sensor #2 to #4 they should read 10 - 20 Ohms for each test.
 
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