GM TPS to Ford throttle body

[Richard Wakeling]

Hi Glen,

Glenn D wrote:

> I have a GM (VN commodore) TPS, which i'm trying to adapt to a ford XF
> throttle body. It seems that the ford's butterfly does not pivot as much as
> the GM's, (is this possible?!)

Probably not likely.

> When using the GM TPS the ford throttle body isn't able to turn the TPS
> through it's whole 'range'. I'm judging the start of the TPS range from
> where i can feel the spring start to stretch.

You are judging the start at the wrong place. When the VN TPS is fitted to the
throttle body it is turned about 20-30 deg against the spring tension and then
the mounting screws are fitted. This accounts for the your 20-30 degs left over.

    I would agree with the others and say that the best way is to assemble it
and test its voltages. VN TPS closed is .8 volt from memory.

Cheers Richard.

> After opening the throttle
> butterfly fully, their is still another 20-30 degree's left of rotation in
> the TPS before it reaches the 'end'.
>
> is this 30deg used? or is the TPS return 5volts all along this 'extra'
> 30deg.
>
> My main concern is that the ECU won't register WOT when the throttle
> butterfly is fully open.
>
> can this be adjusted in the ECU? (like a WOT throttle voltage)
>
> Thanks.
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