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Old 07-27-2007, 10:45 AM
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Originally Posted by oldred

1987 Mustang LX 5.0

One is a fuel pump relay-E3TB-9345-A2A

The other is a EEC power relay-E3AF-12A646-B2A

Another nearly identical EEC power relay I have has almost the same number and fits the socket-E3(A?)12A646-B1A/7ED

Unknown application Ford relay-E4LB-13A025-A2A

I am assuming that is one part number for each but it is arranged in three numbers (hence the dashes) vertically on the case, for space reasons I assume.

Sorry it took so long...Milk of Magnesia took a while to cut in this morning...

The FORD MPC has a master Relay I.D. Changeover but does not give the AMP ratings. If the relay is not actually marked regarding it's rating, you will have to go to a wiring diagram. Thought I could cheat but no.

The E4LB 13A024-A2A is a LINC headlamp dimmer relay.
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