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1999 200hp VMAX OX66 High Temp and Low Oil not working

MarathonRunner

New member
Model is V 200 TLRX

This motor is hooked up to the standard old school analog gauge set. It has 2 trouble lights on the dash, High Temp, and Low oil, and of course the buzzer.
The buzzer never goes off, even when the ignition key is turned on and the kill switch is pull, not a chirp.
With the engine running on a flusher I grounded out the pink wire on the high temp sensors, no horn and the high temp trouble light does not come on.
With the engine running I tripped the Low oil sensor, No horn but the trouble light did illuminate.
I have checked the high temp trouble light and it does work.
I have checked the alarm horn and it works as well.
I know these alarms go through the ECM, with everything I have checked I keep coming back to the ECM.
Any help would be greatly appreciated!
 
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