Originally Posted by 4100 Fire Truck
My grinder does not have, or use a capacitor.
My bad. So it's a split winding motor, rather than capacitor start.
The Klixon relay is a bit pricey, but you should be able to find a direct replacement. Here's one source: Klixon 4CR series relays

Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.