COMPUSHIFT II Manual – COMPUSHIFT II Manual
Installation
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3.4.3 Install the EFI TPS Adapter Harness (Optional)
If you're using an Electronic Fuel Injected (EFI) engine and don't need to install a separate TPS, then you can use the
HGM TPS adapter cable to the OEM wiring harness.
3.4.3.1 EFI with a General Motors throttle position sensor.
If your fuel injection uses the standard General Motors TPS socket, you can use our Y-adapter harness.
Unplug the throttle position sensor from its original wiring harness.
Plug the male end of the Y adapter harness into the throttle position sensor.
Plug the original plug into the female end of the Y adapter harness.
Connect the 3 wire mail COMPUSHIFT engine harness TPS connector into the mated connector on the Y
adapter harness.
3.4.3.2 Other Systems
If you have some other type of socket, we can provide you with a bare pigtail adapter harness, which you can install
yourself.
Route the adapter cable's two (2) wires as follows:
Connect the green-white wire to the low or grounded side of the injection TPS.
Connect the solid green wire to the sensor signal.