Either that or send yours to DJ ( tighed1 ) and he will replace the relay and test.
( all for @ $20 )

( I spent many months in Dayton in training back when I was with NCR,
last September I had my 50th anniversary with :
National Cash Register, then NCR, then AT&T, then NCR again, now Teradata.
Teradata is no longer affiliated with NCR after the split, but my service time rolled over )