Author Topic: Voltage regulator wire harness connection  (Read 619 times)

Offline MattDoscher

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Voltage regulator wire harness connection
« on: December 11, 2023, 09:11:50 PM »
While troubleshooting a RFI issue in the radio of my '65 Comet with headlights on I found that my voltage regulator wire harness connection at the voltage regulator has a female wire terminal missing from inside the molded harness connector.  This terminal would normally be plugged into the top "I" of the regulator.  Referencing the '65 Shop Manual, part 13-3 identifies "I" as the charge indicator light terminal.  I'm assuming "light" refers to the battery warning light in the dash.  Since my Comet has gauges and an ammeter is this why that wire terminal is not present? 
« Last Edit: December 11, 2023, 09:30:25 PM by MattDoscher »
Matt Doscher

1965 Mercury Comet Caliente Convertible
5H25T582252

Offline midlife

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Re: Voltage regulator wire harness connection
« Reply #1 on: December 12, 2023, 10:49:51 AM »
Cars with ammeters use 3 pins on the voltage regulator plug; cars with alternator indicator lamps use all 4 pins on the voltage regulator plug.
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Offline MattDoscher

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Re: Voltage regulator wire harness connection
« Reply #2 on: December 12, 2023, 05:54:48 PM »
Thanks Randy.  I did not know this.

Matt
Matt Doscher

1965 Mercury Comet Caliente Convertible
5H25T582252