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This is my first post on this forum, I have searched and tried many things with no success. I have a 92 f150 4x4 with a 5.0. when I bought it the tranny was burnt out, so I tracked down an E40D out of a 95 f250 with a 5.8. Once in the truck it will not shift. in drive it starts in what feels like 4th and in 1st It feels like 2nd. Reverse is fine, I have installed the newer style MLPS and repinned the plug, still no luck. I then swapped in the solenoid pack out of the 95, repinned the plug, and soldered in solenoid diodes to protect the ecu. I am showing no codes, this one really has me stumped. tested the resistance on the solenoid pack and was in good reading. Really don't know what it could be. any help would be appreciated!
This is my first post on this forum, I have searched and tried many things with no success. I have a 92 f150 4x4 with a 5.0. when I bought it the tranny was burnt out, so I tracked down an E40D out of a 95 f250 with a 5.8. Once in the truck it will not shift. in drive it starts in what feels like 4th and in 1st It feels like 2nd. Reverse is fine, I have installed the newer style MLPS and repinned the plug, still no luck. I then swapped in the solenoid pack out of the 95, repinned the plug, and soldered in solenoid diodes to protect the ecu. I am showing no codes, this one really has me stumped. tested the resistance on the solenoid pack and was in good reading. Really don't know what it could be. any help would be appreciated!
It's rare to find an E4OD behind a 5.0/302. The '92 would have been an AOD OR a Special order for the owner to possess the E4OD behind the 302. All I have known to have the mechanical AOD up to '93, then Ford went to MAF and changed the transmission to 4R70W electronic transmission.
Do you have the OD ON/OFF switch/button on the shifter handle?
Can you post the trans code from the label on the inner door?
This is just to help us understand for sure that we have the correct transmission for the truck.
So far, this combo sounds right from your description of repinning the plug and swapping the solenoid pack. But for the majority of owners here, that year and combo contradict what Ford used 99% of the time from '86-93 and '93-96 for the 302.
I do not consider an E4OD behind a 5L truck a special order vehicle. While they are less common, we have seen enough pop on the board to know Ford was playing musical chairs with the transmission that shipped in a vehicle during this time period.
Since the OP already stated they swapped solenoid packs that implies it truly is an E4OD transmission in the truck originally and so is the donor.
Maybe it's a 4x4 thing. My 94 5.0l 4x4 has an E4od. I don't know if it was special order or not but it was first sold up north somewhere. Could also be a regional thing.
Trans code is code E. The truck came stock with the E40D. I checked for power at the solenoid plug and am getting 11.3 volts at the pins on both positive wires
11.3 volts? that seems low. The power for the solenoids come directly from the EEC (computer) relay.
Given your symptoms I would think you are not getting power to the solenoids. The low voltage reading also leads one to believe you are measuring a phantom voltage.
A high impedance DVM will lie to you when there are multiple circuits nearby that do have power. An old VOM or a simple test light will prove or disprove my theory.
With the negative lead grounded to the cigarette lighter sleeve I read 12.4, but when grounded through the negative pin on the wiring harness I get 11.3
I let the battery sit disconnected overnight and took for a small drive. I'm now reading circuit faults for all solenoids. 621,622,629,626,10,111. 111 is a system pass code which again makes no sense to me.
The codes indicate that you have a wiring harness problem.
The codes makes sense. The four 600 series codes indicate that the problem is there right now. The 10 is the separator code between the current codes and the codes in memory. Since you have a 111 in the memory codes it shows that the 600 series codes haven't appeared enough times to get stored in memory.
With the negative lead grounded to the cigarette lighter sleeve I read 12.4, but when grounded through the negative pin on the wiring harness I get 11.3
Please explain "negative pin on the wiring harness".
Now the hard part will be tracking down the wiring problem. Amy ideas where I should look?
The first thing I'd check is for +12 volts on the transmission connector on the passenger's side of the trans. I don't have a diagram to be able to tell you which pin that is.
Those readings are for that connector. when I tested the voltage with the negative lead of the meter grounded in the cigarette lighter sleeve I read 12.4 volts. I read 11.3 with the negative lead in the ground wire of the connector
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