Thread: Speedo 05 GTX SC 185HP
05-20-2014, 11:58 PM #1
Speedo 05 GTX SC 185HP
Need help on solving a speedo problem. I have already replaced the sensor wheel assembly on the back of the ski. It looks like the 3 wires (Black/orange, purple/yellow, paige/orange) go to the fuse panel (am I wrong?) All the functions (modes) work on the cluster panel except the digital mph plus the mechanical needle speedo. Any help would be appreciated. Thanks
05-21-2014, 09:39 AM #2
sounds like a sending information issue from MPEM/ECU the MPEM does malfuntion on some points on these.
05-21-2014, 12:11 PM #3
- Join Date
- May 2013
I had an 04 GTX that did this, sounds strange but it was the regulator. I put in a new one and perfect. Have no clue why?
The regulator sits on top of the fuel tank. It's about the size of a pack of cigarettes, is black metal and has cooling fins on. I think it covers the AC current to DC not too sure. An easy fix and they are known to fail.
05-21-2014, 12:41 PM #4
05-21-2014, 12:42 PM #5
05-21-2014, 01:06 PM #6
Is the wiring connector at the rear of the hull fully engaged ? When mine stopped working I found the connector was not fully snapped together. Start with the simple stuff first.
05-21-2014, 06:00 PM #7
I checked that when I replaced the wheel sensor assembly. Thanks anyways.
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