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As many of you may know, I'm doing a S4 13BT swap into an 85 RX-7 GS. I've managed to make just about everything work ignition-wise. The CAS signal conditions perfectly and pulls the 3 LEDs for coil events as it should.
However, the wire color codes of my coil/ignitors (the stock FC coils and ignitors) do NOT match anything I've found on any of the threads anywhere, so I'm not sure how to wire them up. I took off the plates for the ignitors and found the following letters stamped into the plastic casing of the sealed ignitor unit:
- LEADING COIL IGNITOR:
- stamping.......wire color
B.......tan
C.......black
F........not connected
- TRAILING COIL IGNITOR:
- stamping.....wire color
C1.........black
TAC.......yellow
CPU1....gray
CI..........white
ST..........red
+B..........brown
C2..........blue
Could somebody inform me as to which of the above values correspond to "IGt-L" and "IGs-T, IGt-T, and IGf-T" for the leading and trailing coils, respectively? Also, what does one do with all the other extra ignitor wires that are not addressed as the "IG-x" type?
Thanks.