2007 GTX Wake 215 SCIC: DEAD from reverse polarity

[Lax207]

Hi Guys, new here.

Looking for some advice and help if possible,
So the GTX was running great, just had a low battery before. In the process of changing to a new battery, they mechanic accidentaly reverse polarised the poles ( to the point it was mounted and bolted to the battery already, nothing happens, checked a bit, and only then noticed they were on the opposite side). After put it back correctly, jertski was absolutely DEAD. Nothing happens whatsoever even with the key in.

What we have done:
- ECU replacement (bought a Candoo Pro system and could not detect the old ECU)
- DESS post replacement
- Cluster replacement (was due) and married to ECM
- Went through all relays and fuses, tested each one and was OK
- Went through all harnesses, checking for connections on all the cables, was OK

Observation:
With the new replacements, there seems to be power traveling from the point of contact from the key. Cluster turns on, does a Welcome to Seadoo, you hear the fuel pump, and also a valve opening. Then the cluster blinks, and repeats, does not stay on, and no buzzer sound or response from the Start/Stop switch.

What I can confirm is that there is power from the DESS post to the ECM. But it seems there is no command from the ECM to the Starter Solenoid/ Relay. No clicks or anything. Start Solenoid when jumped works fine and clicks normally.

So now I am completely confused what else could it be..
Any helps, tips, advice would be greatly appreciated!

Cheers
Chris from Indonesia

 

[Lax207]

Any takes? Attached Service Report from Candoo Pro. There were a bunch of Occured Faults, but the only one remaining Active one is from the VTS of which I do not have.

 

[skiasylum]

Only thing I found on a different color forum that might help is the small red wire coming from the starter relay corrodes under the insulation which causes a dead ski scenario, although corrosion would have to be a coincidence in your case.

 

[ski-d00]

Did you replace the inline diode that the factory put in the system on the back of the fuse panel just for the reason that will blow when the battery terminals are reversed?

Also, you have to flash the new cluster for the proper year seadoo you have. CanDoo can't do this as the software is BRP owned rights so you will need BUDS to flash the current year/model for your ski and then the cluster will have to be married to the ECU.

 

[IDoSeaDoo]

Did you marry the key to the new ECU? Maybe I missed it. Click the start button 5 times. It should beep once short and once long to indicate that it's alive and that the buzzer works.