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Wiring early 1G TPS into 2G with EMS
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Author:  CardShark [ Wed Oct 06, 2010 7:37 pm ]
Post subject:  Wiring early 1G TPS into 2G with EMS

Can anyone tell me how to wire up the early 3 wire TPS from a '90 1G to my 2G?

I know the easy thing to do is use a 2G TPS in a later 1G TB but the larger 2G/late 1G TPS is hitting my fuel rail that has AN fittings welded to it. Since I have an EMS, I should be able to make any TPS work.

I've been trying to Google the relevant wiring diagrams but haven't been able to come up with anything useful.

Author:  CardShark [ Fri Oct 08, 2010 1:23 pm ]
Post subject:  Re: Wiring early 1G TPS into 2G with EMS

Here's the relevant wiring in case somebody stumbles upon this in a search...I finally found it on DSMtuners

TPS Wiring:

2G 4G63T TPS
1 - Green/Yellow (+5v Sensor Power)
2 - Brown/Red (TPS output voltage)
3 - Yellow/Red (IPS switch)
4 - Black (Ground)

1G 4G63T TPS
1 - Green/Red (+5v Sensor Power)
2 - Green/White (TPS output voltage)
3 - NC
4 - Green/Black (Ground)

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