Thanks for the info, I will keep those handy for future projects, below is a link to what we found and settled on, my customer has it installed using an ignition switched 12 volt source to power the relays up, at last report he is having no issues with them.
https://www.amazon.com/dp/B01B60BQFA?ref=ppx_yo2ov_dt_b_product_details&th=1