Thread: Measuring engine on vs car on with engine off
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Old 01-08-2013, 06:33 AM   #5 (permalink)
AndrzejM
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Hi,

You may try some of those mentioned here: Hour Meters, Gauges

And here you can find a discussion regarding the issue: Installing Hour Meter - Source of +12V when engine is running? - Insight Central: Honda Insight Forum

It's quite simple you need two hour meters one hooked up to the ignition to measure whoe time of car running and second one hooked up to oil pressure switch to measure engine's running time. Then you have everything that you want.
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