You really need a fuse or a self-resetting circuit breaker as near the power source as possible. For instance, if you decide to get power from the power from the battery terminal of the regulator you should connect the fuse or breaker there, then feed the other side towards relay pin 30.

Last edited by Bill Hanlon; 04/10/2022 12:47 AM. Reason: spelling

'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.