2003 Aprilia Tuono Installation Instructions

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Filed Under (Aprilia) by admin on 26-10-2010

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1. Remove the main seat and the passenger seat. 2. Prop the front of the fuel tank in the up position. 3. Route the PCIII harness from the trunk area towards the front of the bike. Route the PCIII harness under the fuel tank bracket (Fig. A). 4. Attach the ground wire from the PCIIIharness to the negative side of the battery. (fig. B). 5. Locate the Throttle Position Sensor on the backside of the throttle bodies (Fig. C). 6. Locate the BROWN wire with the YELLOWtracer and attach the supplied wire tap to the wire. NOTE: It is recommended to use dielectric grease on this connec- tion. Fig. A Fig. B Fig. C 2003 Aprilia Tuono – PCIII USB – 2 i907-411 www.powercommander.com Wire tap Ground wire from PCIII TPSI connector 7. Attach the grey wire from the PCIII to the wire tap (Fig. D). NOTE: It is recommended to use dielectric grease on this connec- tion. 9. Plug the YELLOWcolored wires from the PCIIIharness in- line of this connection. (fig. F) Fig. D Fig. E Fig F 2003 Aprilia Tuono – PCIII USB – 3 i907-411 www.powercommander.com Stock connector Grey wire from PCIII PCIII connectors Stock connector 8. Unplug the stock wiring harness from the rear injector (left hand side of the throttle body). Fig. E 10. Unplug the stock wiring harness from the front injector (right hand side of the throttle body). Fig. G 11. Plug the ORANGE colored wires from the PCIIIharness in- line of this connection

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