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Would appreciate some help. Have a 1939 6Cyl Model 110 and need to reinstall new ammeter and gas guage in the housing box. Not sure what "filler" items I need like backing plate, insulaters, etc. to hold the guages in proper place in the box and how to keep them from shorting out. Adding photo. If photo does not appear, can email it. Thanks, Ted

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This is a question specific to a certain year and model of Packard and belongs in the 1899-1942 forum. More people with the information you are seeking will see it there, suggest you delete and repost there.

I don't see the rear of your gauges but the rest of your setup looks very close to what they had in 47 and other years. Here are a few shots of a 47 ammeter and gas gauge so you can get the general idea. The gauges are supported by the studs and nuts. On the gas gauge, just a phenolic washer to fit the stud and small enough to fit snugly inside the metal hole. A strip of fish paper insulator over the top of metal on outside and brass washer and nut to hold everything in. The phenolic washer could have a nylon washer substituted. The ammeter may be more difficult. If yours was the same, then that has 2 ceramic standoffs with a shoulder to fit the holes. Length on these about 1/4" but could vary so face would be level with gas gauge on yours. Where to find those may be a problem unless you can find an old cluster for parts. They probably used ceramic because of the heat as I imagine the ammeter & studs could get warm with all the current flowing thru it. You could probably make something out of modern phenolic rod or other material that would stand the heat.

McMaster-Carr has assorted style nylon washers, Garolite phenolic rod in heat ranges up to 425 degreeshttp://www.mcmaster.com/#phenolic/=dehe6p , .010 12x12 fish paper sheets you can cut strips fromhttp://www.mcmaster.com/#fishpaper/=dehew6 and probably most anything else needed.

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Pics from a spare set from my 38 110.
Hope this helps.
RT

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Thank you so very much. My concern was initially raised because I realized there were ceramic standoff as when I opened it crumbles of granualized ceramic fell out.
Don't know if I can locate these, but maybe I can manufacture something.
Any more advice you could give me on these would be very much appreciated.
Ted

Quote:G'day Ted,
to PackardInfo and I invite you to include your '39 Six in the Packard Owner's Registry.

Ted,
Here are the dimensions for the insulator/ stand off for the 38 gauges. Parts manual shows different gauge number for 39.Could be just a gauge face change. Internals appear the same for the 2 years.
They do appear to be a ceramic of some type.
I believe a plastic rod could be fabricated fairly easily.
RT
P.S
Welcome to Packard Info !

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Ted, for including your '39 Six 2 Door Touring Sedan in the Packard Owner's Registry.

I've used plastic tubing like you would use for irrigation, or an ice maker hookup line as a replacement insulator before and have had no issues. As long at the part being insulated doesn't heat up, which a threaded post like that shouldn't, I think it would be fine IMHO. It comes in different sizes, and has a pretty thick wall generally. Also small rubber grommets work well also, and you can buy a box of assorted grommets from HF pretty cheaply.