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Old 09-04-2018, 07:00 AM
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Default HP 500 hours

Hello, just wondering if there is anyway to tell how many hours are on a carb HP 500? Supposedly the key needed to be on for the radio to work, so it ran the hour meter up, but has since been re-wired. I don’t think there is anyway to tell being that it is not EFI but just wondered. Thanks a lot
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Old 09-04-2018, 12:43 PM
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No way to tell hours
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Old 09-04-2018, 01:28 PM
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Originally Posted by Danomac235
Supposedly the key needed to be on for the radio to work, so it ran the hour meter up,
absurd. One could blow up an ignition coil and module that way if the rotor was pointed to (or near to) a cap terminal.
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Old 09-04-2018, 08:28 PM
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Wouldn’t the alarm/warning buzzer be going off the whole time too....?
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Old 09-04-2018, 08:58 PM
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with the Merc DDT and or Diacom with the correct adaptors all T bolt V ignition modules can be scanned for hours per rpm ranges.

Again if the engine has a MERC T bolt ign ./ module set up then you can scan for the hours per rpm ranges.

NO OTHER SCAN OPTIONS using a scan tool are offered with T bolt V only what I mentioned here..

Last edited by BUP; 09-04-2018 at 09:32 PM.
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Old 09-04-2018, 09:08 PM
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hour meter gauges some are installed not correctly - I seen them were the key position turned left ( counterclock wise ) for battery power to the stereo or whatever will also run the hour meter. Again depends on how it was wired -- by whomever.

with key on only ( one click to the right ) Not all warning horn outputs are a solid continues horn alarm when Key on only (test ) - it does vary between different apps thru the years, Just saying for one of the posts above..

Last edited by BUP; 09-04-2018 at 09:12 PM.
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