1997 f150 astro start door locks

I have a question on my astro start  3006 I was told they are hooked up reverse polarity at ground rest I do not have keyless entry onte the pick up from factory I was wondering if I was correct in thinking the blue wire from pin number 252 should go to number 86, #87 and 85 go to 12volt constant, #87a to the factory  unlock switch, and #30 go to factory unlock motor on a bosch 5 pin 30 amp relay and the lock side the same except brown wire from pin 252 to the # 86 pin on relay thanks for any responses

That sounds correct to me. Be sure to test the lock wires before connecting them. J Rilla

Owner/Installer