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Author Topic: ABYC Wire Color Code For Engine Hour Meter  (Read 91 times)

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Jon W

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ABYC Wire Color Code For Engine Hour Meter
« on: June 01, 2021, 11:09:14 PM »

The hour meter in my tach has stopped working. The tach works fine so will install a separate hour meter near the Nav Station. I don't see engine hour meter listed in my ABYC DC wiring color code chart. Would it be orange for "Accessory Feed", violet/purple for "Ignition", or something else? Thanks for the help.
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Jon W.
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Hull #493, 1987 MK 1, M25XP, Std Rig
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KWKloeber

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Re: ABYC Wire Color Code For Engine Hour Meter
« Reply #1 on: June 02, 2021, 07:17:15 AM »

Orange would be an accessory fed from the distribution panel, typically.  Purple is switched power (like the alt field excite circuit and engine panel feed to the gauges.) Id go purple (presumably powered by the field excite or fuel pump circuit ( which are redundant)?
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Jon W

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Re: ABYC Wire Color Code For Engine Hour Meter
« Reply #2 on: June 03, 2021, 06:34:45 PM »

Purple it is. Thanks Ken.
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Jon W.
s/v Della Jean
Hull #493, 1987 MK 1, M25XP, Std Rig
San Diego, Ca
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