Thread: 05 rxp knock sensor resistor
03-28-2006, 09:13 AM #1
- Join Date
- Feb 2006
05 rxp knock sensor resistor
Im installing the Rotax Racing ECU on an 05 RXP and need to know what to do to remove the resistor in the knock sensor part of the wiring harness.
03-28-2006, 09:44 AM #2
- Join Date
- Jul 2005
- Troy, NY
I am not sure will have to remove mine soon.
03-28-2006, 11:33 AM #3
in the wiring harness, there's a bulge that's about 6" long and maybe 3/8" thick... unplug all those plugs for the wire harness so u can work with it more easily... start inwrapping and CAREFULLY slicing all the factory tape off the wireing harness... when you've completely separated and isolated the black bulge that contains all the resistors inside it, snip it out.... you will be left with a yellow/blue wire and another wire which is naked wth no insulation around it..... you need to extend these two wires and resolder the plug to it and wha-laa... knock sensor resistor is gone.
now when you let's say want the knock sensor resistor again for the stock ECU, just get the 04 RXP jumper cable, and now u have a knock sensor resistor again.
03-28-2006, 12:00 PM #4
- Join Date
- Jun 2005
- rome ga
If you have the new reflash ecu. You won't have to mess with the knock sensor.
03-28-2006, 12:02 PM #5
yes you do... been there done that.... with an 05 ski, u NEED to remove the knock sensor that is integrated into the wiring harness. you WILL get a check engine light and the knock sensor code once you get it in the water and up to speed, then it kicks in
03-28-2006, 01:15 PM #6
*** For Rotax Racing ECU equipped skis ***
If you have an 04 RXP you must have the knock sensor piggy back harness removed.
For 05 and up skis you must manually remove the resistor that was made into the wiring harness.
03-28-2006, 03:12 PM #7
i'm also have had this problem then i go to see the dealer
and mechanic upload the new data for the ecu ,that's all
Ride fun! don't need to mess with the harness
...it takes only 10 mins for upgrade the ecu.
03-28-2006, 03:16 PM #8
Novice, you are saying your seadoo dealer was able to write to the Rotax Racing ECU with the BUDS software?
03-28-2006, 03:25 PM #9
yep , because they do it for me ,jerry
after i asked you how to install 04's ecu(with reflash) to my05'
i tell my dealer to remove the resistor but
the mechanic told me that no need to mess with with the resistor
and put the laptop on and upgrade 04 ecu for me.
03-28-2006, 03:35 PM #10
maybe there's a disable feature for the knock sensor in BUDS ???
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