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Yeah, I've been there already and have the info for the 1990. I've got a 1989 Dakota Shelby that I've put the cab from a 90 convert on. The 1990 OD switch has 4 poles and the Shelby OD switch has 5. I'm trying to figure out if the harnesses changed from 89 to 90 and what harnesses the Shelby used. I'm hoping I don't have to pull the 90 harness and replace it with the one from the Shelby. The truck is finished, it runs great, everything works but the OD. Basically I'm looking for the illustration I have attached but with 5 poles on the OD switch.