ALT hook up , and Power to relay help

[notsolo]

Old 5.7 Alt. wires.... brown and red ( Red spiced off big terminal on Alt) ... new to me 2001 5.3 LS .... Alt has 2 wires brown and gray......should I splice the wires from the old plug into the LS ....is red the same as the gray wire......I also used the Hei pink wire to power the relays, is this correct, or should I run it back to pink wire from key switch.....using Aaw classic update harness...... Engine cranks no power to the fuel pump as far as I can tell.....Thanks....Ed