https://ignition-control-module.info Wed, 15 Jul 2026 05:01:51 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://ignition-control-module.info/2026/07/hardt-3500-ignition-control-module-6721-relay-brand-new/ https://ignition-control-module.info/2026/07/hardt-3500-ignition-control-module-6721-relay-brand-new/#comments Tue, 14 Jul 2026 04:59:41 +0000 https://ignition-control-module.info/2026/07/hardt-3500-ignition-control-module-6721-relay-brand-new/





Hardt 3500 ignition control module 6721. One is Rev B and one is Rev C but operate the exact same and are both brand new.

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