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When I've got my wife handy for a few minutes, I'll get her to turn the key while I probe behind the dash for a wire that goes +12V when the key is turned. I'll post the results, if any.
Oh. I thought you meant the ignition. The Pk/LG and Pk/LB wires are grounded at the dash switch, so nothing goes to 12V when the t/g key is used. The t/g switch just uses one of those wires to ground the motor, and the 12V Bu/BK wire isn't used at all.
I know i'm reviving a old thread, but I have compiled a list of vehicles that have these modules in the door.
92-95 taurus/sable, 92-94 explorer, 93-95 lincoln town car, 93-02 crown victoria, 94-98 mustang, 92-94 ranger, 93-02 grand marquis, 93-96 lincoln mark viii