Thread: Gearbox help
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Old 15th August 2020, 08:47 PM
HPsauce HPsauce is offline
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Trying to reread all you've said and work it out.
Quote:
Originally Posted by HPsauce View Post
Basically you have a later gearbox in an older car with it's original (older) F125.
Is this correct?

I "think" you are trying to fix the older car (W8AND) with the gearbox from the newer car (Y729XGA).

As I read it you currently have the gearbox as well as the TCU from the newer car (XGA) fitted to the older car (AND). BUT the original F125 is still on AND because it and the wiring loom have the older round 8-pin connector.

Earlier I said
Quote:
I'd put money on it being an incompatibility between the newer F125 switch and older TCU.
In fact I think I got that the wrong way round. The (older) car you're trying to fix (AND) has an OLDER F125 and NEWER TCU. But they are still incompatible in some way.

My other question needs correcting:
Quote:
Is it worth the risk of putting the original TCU back or would it cause a problem with a newer gearbox?
but it still stands though, as does the query about the shifters.
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Last edited by HPsauce; 15th August 2020 at 08:52 PM.
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