I also followed Jerry’s advice and installed a set of Bosch style relays when I installed my new switch. After spending over fifty dollars on a new switch, I found (4) Bosch style 60 amp relays on eBay for 13 dollars! A bit of rewiring and all is good.

Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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