How many light blue wires have you got terminating in that area? Should be two, one for the fuel shutoff solenoid, and the other for the altitude compensator on the IP.
Both should have +12VDC with ignition on, but the one for the altitude compensator should turn off at around 4000 ft. altitude (IIRC?). Easy way to test for that one is to temporarily disconnect the other end from the tuna can on the driver side shock tower. Other end (that plugs into the altitude compensator) should lose its +12VDC.
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1985 744 gle d24t
1985 745 gle d24t
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