Triaged
1/2 ton status
You should be able to buy the weatherpac connectors at any good auto parts store.
The one you have in the lower pic is a Molex type connector. They are good connectors...just not waterproof (which shouldn't matter for your dash). Those would come from a electronics store.
The one you have in the lower pic is a Molex type connector. They are good connectors...just not waterproof (which shouldn't matter for your dash). Those would come from a electronics store.