You don't need the ecm the standard does not have any electronics on the tranny only for the reverse lights

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Also you have to see if the is no difference in the starter some starters have a different teeth on the gear

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94 ford ranger xlt 4.0L 5 speed 140k 33 x12.50 BF Goodrich Mud Terrain on cragar wheels,2in suspension lift block,Rancho shocks,TTB frontend,Piaa off road lights,10,000k HID's,roll bar,Toolbox,Bowman ssb radio, 102 in CB whip,Overhead consolt,painted diff cover,5 leaf spings in the rear,2.5 tint strip and 2.5 tinted back windows,08 ranger mirrors,After market pioneer radio with 900 watt jensen amp running 2 10in pioneer speakers