93 Grand cherokee fuel pump
93 grand 4.0L, fuel pump does not cycle on during cold start. fuel pump replaced, relay is good. If key left in run position while checking under hood after a few minutes I can hear the fuel pump relay chatter and then close, pump comes on for a few seconds to charge fuel manifold and then I can start. The relay is known functional by swapping with starter relay(same pn#) removed case from relay to mechanically engage contacts, fuel pump runs however even if i charge up manifold this way, will not start.