On a 1985, I believe it is an in-line plug near the distributor, but late in the year might have had the jumper plug.
Whichever it has, warm it up, shut it off and disconnect the wire or plug, restart and check the timing. There is a caution regarding starting using the key rather than a start jumper switch as the computer needs the start signal.
If the sticker is still on the radiator front panel, it should show it.
Bill AKA "LOBO"
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"Getting old is inevitable, growing up is optional"
Darth Vader 1986 F350 460 converted to MAF/SEFI, E4OD 12X3 1/2 rear brakes, traction loc 3:55 gear, 160 amp 3G alternator
Wife's 2011 Flex Limited
Daily Driver 2009 Flex Limited with factory tow package
Project car 1986 Chrysler LeBaron convertible 2.2L Turbo II, modified A413