Lockup 904 transmission

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gerty

gerty

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This is a friends transmission that he bought for his 318 '75 Duster. I noticed this small black electrical plug and We're thinking this may be a lockup transmission. If so would it be ok to run it without the lockup hooked up? Could he wire in a toggle switch for the lockup and switch it on or off manually? Bob

lockup a.JPG


lockup b.JPG
 
The easiest way to tell is if the input shaft has about an inch of smooth (no splines) on the end. (but I don't think that is what that device is for.)
I don't think I have ever seen a switch like that in that place before.

Yes, a lockup trans can be run without using lockup, and yes you can manual switch a lockup.
 
olei said:
I have no idea, but the A998 from my ´88 Dakota has got the connector in that same location.
Click to expand...
i've got one out of an 85 5th ave. in my dart that has hydraulic lock up. was told around 87 they went to electric lock up, which is what that plug is for. i know i looked at an 87 5th, and it had the elec. lock up. dave.
 
904 Lockup solenoids: With single wire from 1987 to 2003
With Two Wires from 1994-2003
Neutral safety switch 3 prong - round connector 1978-1999
3 prong - rectangular connector 1999-2003
Hope this helps
 
transman said:
904 Lockup solenoids: With single wire from 1987 to 2003
With Two Wires from 1994-2003
Neutral safety switch 3 prong - round connector 1978-1999
3 prong - rectangular connector 1999-2003
Hope this helps
Click to expand...

Thanks man.
 
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