That "inductor" is the magnetic coil that pulls the arm closed connecting #1 to #3 when contact #2 is grounded. I have that same relay on my GMC.

Last edited by Bill Hanlon; 11/07/2026 11:33 PM.

'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.