56 Packard 400 Dash gauge volt regulator
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Not too shy to talk
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Does anyone have any sources for a replacement dash voltage regulator? Please advise!
Posted on: Today 10:47
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Re: 56 Packard 400 Dash gauge volt regulator
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Home away from home
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Standard 5V regulator. Did you Google?
Posted on: Today 11:47
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry |
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Re: 56 Packard 400 Dash gauge volt regulator
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Forum Ambassador
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Max Merritt lists the factory part number as available on an exchange basis. It would appear that is an original item and priced accordingly but some Ford models also used a similar item that is available for much less. I don't have a number for those but perhaps someone else has bought a Ford replacement from Napa or another parts store and can give a recommendation.
The Packard gauges are the typical King-Seeley heater and bimetal type which were used by other mfgs and needs an average of 5v for their supply. The original regulator works by virtue of a heater controlling a bimetal strip. The load determines how fast and for how long the heater and bimetal strip in the regulator will open and close a contact to ground. That results in a pulsing 12 volts out to the gauges but the frequency and duration of the pulses will average the output to be about 5v constant thru the gauges. I know some have used a relatively inexpensive modern solid state 12v to 5v power supply available from Amazon and Ebay in lieu of the original item but I do not remember seeing any feedback to know which one was purchased or how those gauges are performing.
Posted on: Today 11:49
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Howard
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Re: 56 Packard 400 Dash gauge volt regulator
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Home away from home
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A power supply with a plastic housing should work. Many with a metal housing have the negative side grounded which could not be mounted to a positive ground car.
Just connect the input AND output + to ground, input – to the regulator harness connection, and output – to the gauges. A 7805 type linear regulator can also be used.
Posted on: Today 12:27
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry |
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Re: 56 Packard 400 Dash gauge volt regulator
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Home away from home
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1956 was negative ground.
Posted on: Today 18:02
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Re: 56 Packard 400 Dash gauge volt regulator
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Home away from home
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Right. Didn't notice the year.
Posted on: Today 21:00
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1955 400 | Registry | Project Blog
1955 Clipper Deluxe | Registry | Project Blog 1955 Clipper Super Panama | Registry |
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