does anyone know were is the TPS grounded?
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Car: '91 Z28 convertible
Engine: TPI
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Axle/Gears: 3.27 posi disc
Re: does anyone know were is the TPS grounded?
The ground is provided by the ECM (and shared by the IAT sensor).
You can measure the voltage on it against the block or other known ground. With the key on to check if it's at 0V.
Hope this helps.
Lou
You can measure the voltage on it against the block or other known ground. With the key on to check if it's at 0V.
Hope this helps.
Lou
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