With a stock valve body you can't get OD in any gear but 3rd. If the ground wire to activate the solenoid is always grounded the trans will shift 1/2, 2/OD. There may be a slight amount of time in 3rd before it shifts into OD while the valves are working to apply pressure to the OD piston.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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