morganism
SunkCostFallacy
Some nice relays to consider
https://www.amazon.com/Pack-OLS-Rel...coding=UTF8&psc=1&refRID=SEX3RWKCJ26YF925SS83
https://www.amazon.com/OLS-Waterpro...1N66W2XF/ref=cm_cr_arp_d_product_sims?ie=UTF8
and connectors for cutting into ignition wires for a push button switch
https://www.amazon.com/Solderless-Q...coding=UTF8&psc=1&refRID=CRV517KHY9P43YHDPHAZ
https://www.amazon.com/Pack-OLS-Rel...coding=UTF8&psc=1&refRID=SEX3RWKCJ26YF925SS83
https://www.amazon.com/OLS-Waterpro...1N66W2XF/ref=cm_cr_arp_d_product_sims?ie=UTF8
and connectors for cutting into ignition wires for a push button switch
https://www.amazon.com/Solderless-Q...coding=UTF8&psc=1&refRID=CRV517KHY9P43YHDPHAZ