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Haltech engine harness and 4wd tps output

EFI Wiring Fundamentals

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Discussion and questions related to the course Motorsport Wiring Fundamentals

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Hi, im about to purchase a haltech elite 2500 ecu + rb26 terminated engine harness kit. It will be going into an r32 gtr. I will be using parts of the original engine loom along side it for the FL wheel speed sensor and wiper motor etc. Am i correct in assuming that i will require the attesa 4wd tps adaptor for the 4wd system to work? (HT-038001), ABS has been deleted if its worth mentioning. Cheers.

You do need a circuit in order in order for the ATTESA to work. The one you are talking about will work. They have a note that it's not required for the Platinum Pro Direct Plug-in and the PnP Adaptor, but if you are using the terminated harness you will need it. If you are good with electronics, you can build one, it's only an OP AMP connected as a Voltage Follower.

If you deleted the ABS, keep in mind you still need the ABS sensors connected in order for the ATTESA to work.

Hi

The Haltech Elite doesn't need a 4wd tps adaptor for the R32. This ecu will produce the correct signal for attesa. Also, it preconfigured in the base map! Use DPO output for wiring 4wd tps

If the ECU have highside outputs, yeah you can use a PWM signal to replicate the TPS signal, or use another axis, you’re right!

brilliant, cheers guys!

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