2004 Sabercat 600 Instrument panel " SPEEDO" shutting on & off

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xfire7

New member
My wife's Sabercat 600 EXT instrument panel or speedo is flashing on & off and also flickers the headlights from time to time. I disconnected the wire harness from the speedo and reconnected it and nothing seems to be out of sorts ! I can disconnect it and the headlight still seems to flicker ...? I'm thinking the ECU...? But the sled is running fine ? Any info is awesome....thanks
 
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xfire7

New member
Mezz...Thanks for the info. But would the speed sensor cause the entire display to shut on and off. It will completely shut off, then flash red, then seem normal with the RPM's and MPH working. Then flash red and reset with the headlights flickering the entire time??? Thanks again for any info

xfire7
 
mezz

mezz

Well-known member
I could be wrong, but in my opinion, if it were the ECU, you would have other issues. Perhaps Ezra could provide a little more insight to this, he is pretty sharp on tech issues with Cats.-Mezz
 
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ezra

Well-known member
I thought when u unplugged gauge cluster on the 05 the headlight would not work.
I do know the big face gauge had issues I got 2 replaced on diff f7
one just crapped and the other the led display went dead I do know when I unplug them the head light would not work.
 
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xfire7

New member
When the gauge is acting up and turning on & off. The headlight is flickering with very low light. I also hear a humming sound near the electronics by the ignition coil......weird ! I did find out that the sled kinda went into limp home mode one time earlier this season. She said the gauges started flickering on & off and the low oil symbol came on and the sled would not accelerate over 45-50 mph. She said it ran fine later that day and it hasn't done this since ??? Now I'm thinking the ECU may be acting up ? Do these go bad over time or all at once ? Thanks again
 
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