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Wizard · 05-13-2005

Well, TPS on all 1g's have only 3 wires for TPS sensor. 90-94. 90 uses a different sensor with a pigtail. Not only that, but 90 uses a different setup for the ISC motor as well. But, I guess if the wire colors are the same then you could go for it. But, 90's won't work in a 91-94 without some other changes as well. The reason 2g's have 4 wires for their TPS is they integrated the idle stop switch (separate for 1g's) into the sensor.

Wiz

05-13-2005	#3
Wizard Join Date: Feb 2005 Location: Aberdeen, SD Posts: 147	Re: wiring up a 90 TB to 91 engine Well, TPS on all 1g's have only 3 wires for TPS sensor. 90-94. 90 uses a different sensor with a pigtail. Not only that, but 90 uses a different setup for the ISC motor as well. But, I guess if the wire colors are the same then you could go for it. But, 90's won't work in a 91-94 without some other changes as well. The reason 2g's have 4 wires for their TPS is they integrated the idle stop switch (separate for 1g's) into the sensor. Wiz