Transmission help after 2wd to 4wd swap

[ljobbins]

One thing improved was a smoother shift between gears after tv cable adjusted.


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[lawsoncl]

Where to measure the solenoids. If S2 is bad, you won't get 2nd or 3rd gear. The rear speed sensor is the tan/blk wire. It should flip between 0 and 12 volts as the output spins (on a 95, it's a magnetic switch and 98+ it's a sensor that generates voltage spikes). The meter set for a/c should see something if you put the trans in gear and xfer case in neutral so the output shaft spins.

[ljobbins]

Originally Posted by lawsoncl

Where to measure the solenoids. If S2 is bad, you won't get 2nd or 3rd gear. The rear speed sensor is the tan/blk wire. It should flip between 0 and 12 volts as the output spins (on a 95, it's a magnetic switch and 98+ it's a sensor that generates voltage spikes). The meter set for a/c should see something if you put the trans in gear and xfer case in neutral so the output shaft spins.

E measured overload(no connection)
F measured 12.5 ohms
G measured 12.4 ohms


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[ljobbins]

Something that kinda of dawned on me and I’ll check it out later tonight. Maybe the transfer sensor is a different model than the original model for my year. Transfer case came separately from the transmission and I never thought to look at the year.


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[lawsoncl]

Originally Posted by ljobbins

Something that kinda of dawned on me and I’ll check it out later tonight. Maybe the transfer sensor is a different model than the original model for my year. Transfer case came separately from the transmission and I never thought to look at the year.


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The speedo sensor in the xfer case won't affect shifting. The trans computer is only looking at the output sensor at the back of the transmission and the throttle position sensor.

If I'm reading the diagram and your reading right, you have a bad torque converter lockup solenoid? I would have suspected the #2 solenoid for not upshifting into 2nd.

[ljobbins]

Well I didn’t get a chance to do the voltage test that was suggested for the output sensor so I will do that when I get a chance. I have an extra tps so I can swap that also just for the heck of it. I figure if all else fails I can swap all the solenoids and wires from the original 2wd over to this transmission and see what happens. That is just a lot of time I don’t have right now.


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